Product Description
Overview
| Max | Min | |
| HydroCylinder bore: | 280 mm | 10 mm |
| Piston Rod Diameter: | 280 mm | 10 mm |
| Retract Length: | 3500 mm | 50 mm |
| Stretch Length(Single stage cylinder): | 6500 mm | 60 mm |
| Stretch Length(Dual stage cylinder): | 12500 mm | 60 mm |
| Working Pressure: | 4500PSI | 1000PSI |
Product
Factory and Equipments
Packing
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Certification: | GS, RoHS, CE, ISO9001 |
|---|---|
| Pressure: | High Pressure |
| Work Temperature: | Normal Temperature |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
|
|
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
How do manufacturers ensure the durability and reliability of hydraulic cylinders?
Manufacturers employ various strategies and techniques to ensure the durability and reliability of hydraulic cylinders. These measures are crucial as hydraulic cylinders are often subjected to demanding operating conditions and heavy loads. To ensure their longevity and dependable performance, manufacturers focus on the following aspects:
1. High-Quality Materials:
- Manufacturers use high-quality materials in the construction of hydraulic cylinders. Components such as cylinder barrels, piston rods, seals, and bearings are made from materials that possess excellent strength, corrosion resistance, and wear resistance properties. Common materials used include high-grade steel alloys, chrome-plated rods, and specialized coatings. The selection of appropriate materials ensures that hydraulic cylinders can withstand the stresses, pressures, and environmental conditions they encounter during operation.
2. Robust Design:
- Hydraulic cylinders are designed to withstand high loads and harsh operating conditions. Manufacturers use computer-aided design (CAD) software and finite element analysis (FEA) techniques to optimize the cylinder's structural integrity and performance. The design includes factors such as proper wall thickness, reinforcement in critical areas, and appropriate sizing of components. Robust design practices ensure that hydraulic cylinders can withstand the forces and stresses they encounter, preventing premature failure and ensuring durability.
3. Quality Manufacturing Processes:
- Manufacturers follow stringent quality control measures during the manufacturing processes of hydraulic cylinders. These processes include precision machining, welding, heat treatment, and surface finishing. Skilled technicians and advanced machinery are employed to ensure dimensional accuracy, proper fitment of components, and overall quality. By adhering to strict manufacturing processes and quality standards, manufacturers can produce hydraulic cylinders with consistent performance and reliability.
4. Sealing Technology:
- The sealing system of hydraulic cylinders is critical for their durability and reliability. Manufacturers utilize advanced sealing technologies such as lip seals, O-rings, and composite seals to prevent fluid leakage and ingress of contaminants. Properly designed and high-quality seals ensure that hydraulic cylinders can maintain their performance over extended periods. Seals are tested for their compatibility with the hydraulic fluid, pressure resistance, and resilience to environmental factors such as temperature and humidity.
5. Performance Testing:
- Manufacturers subject hydraulic cylinders to rigorous performance testing to validate their durability and reliability. These tests simulate real-world operating conditions and evaluate factors such as load capacity, pressure resistance, fatigue life, and leakage. Performance testing helps identify any design flaws or weaknesses in the hydraulic cylinder and allows manufacturers to make necessary improvements. By conducting thorough performance testing, manufacturers can ensure that hydraulic cylinders meet or exceed the required performance standards.
6. Compliance with Industry Standards:
- Manufacturers adhere to industry standards and regulations to ensure the durability and reliability of hydraulic cylinders. These standards, such as ISO 6020/6022 and NFPA T3.6.7, provide guidelines for design, manufacturing, and performance requirements. By following these standards, manufacturers ensure that hydraulic cylinders are designed and built to meet specific quality and safety criteria. Compliance with industry standards helps establish a baseline for durability and reliability and instills confidence in the performance of hydraulic cylinders.
7. Regular Maintenance and Service:
- Manufacturers provide recommendations for regular maintenance and service of hydraulic cylinders. This includes guidelines for lubrication, inspection of components, and replacement of wear parts such as seals and bearings. Following the manufacturer's maintenance guidelines helps ensure the long-term durability and reliability of hydraulic cylinders. Regular maintenance also allows for the early detection of potential issues, preventing major failures and extending the service life of the hydraulic cylinders.
8. Customer Support and Warranty:
- Manufacturers provide customer support and warranty services to address any issues that arise with hydraulic cylinders. They offer technical assistance, troubleshooting guidance, and replacement of defective components. The warranty ensures that customers receive reliable and durable hydraulic cylinders and provides recourse in case of any manufacturing defects or premature failures. Strong customer support and warranty policies reflect the manufacturer's commitment to the durability and reliability of their products.
In summary, manufacturers ensure the durability and reliability of hydraulic cylinders through the use of high-quality materials, robust design practices, stringent manufacturing processes, advanced sealing technology, thorough performance testing, compliance with industry standards, regular maintenance guidelines, and customer support with warranty services. By focusing on these aspects, manufacturers can produce hydraulic cylinders that can withstand demanding conditions, provide long service life, and deliver reliable performance in various applications.
Integration of Hydraulic Cylinders with Equipment Requiring Rapid and Dynamic Movements
Hydraulic cylinders can indeed be integrated with equipment that requires rapid and dynamic movements. While hydraulic systems are generally known for their ability to provide high force and precise control, they can also be designed and optimized for applications that demand fast and dynamic motion. Let's explore how hydraulic cylinders can be integrated with such equipment:
- High-Speed Hydraulic Systems: Hydraulic cylinders can be part of high-speed hydraulic systems designed specifically for rapid and dynamic movements. These systems incorporate features such as high-flow valves, optimized hydraulic circuitry, and responsive control systems. By carefully engineering the system components and hydraulic parameters, it is possible to achieve the desired speed and responsiveness, enabling the equipment to perform rapid movements.
- Valve Control: The control of hydraulic cylinders plays a crucial role in achieving rapid and dynamic movements. Proportional or servo valves can be used to precisely control the flow of hydraulic fluid into and out of the cylinder. These valves offer fast response times and precise flow control, allowing for rapid acceleration and deceleration of the cylinder's piston. By adjusting the valve settings and optimizing the control algorithms, equipment can be designed to execute dynamic movements with high speed and accuracy.
- Optimized Cylinder Design: The design of hydraulic cylinders can be optimized to facilitate rapid and dynamic movements. Lightweight materials, such as aluminum alloys or composite materials, can be used to reduce the moving mass of the cylinder, enabling faster acceleration and deceleration. Additionally, the cylinder's internal components, such as the piston and seals, can be designed for low friction to minimize energy losses and enhance responsiveness. These design optimizations contribute to the overall speed and dynamic performance of the equipment.
- Accumulator Integration: Hydraulic accumulators can be integrated into the system to enhance the dynamic capabilities of hydraulic cylinders. Accumulators store pressurized hydraulic fluid, which can be rapidly released to supplement the flow from the pump during high-demand situations. This stored energy can provide an extra boost of power, allowing for faster and more dynamic movements. By strategically sizing and configuring the accumulator, the system can be optimized for the specific rapid and dynamic requirements of the equipment.
- System Feedback and Control: To achieve precise and dynamic movements, hydraulic systems can incorporate feedback sensors and advanced control algorithms. Position sensors, such as linear potentiometers or magnetostrictive sensors, provide real-time position feedback of the hydraulic cylinder. This information can be used in closed-loop control systems to maintain precise positioning and execute rapid movements. Advanced control algorithms can optimize the control signals sent to the valves, ensuring smooth and dynamic motion while minimizing overshooting or oscillations.
In summary, hydraulic cylinders can be integrated with equipment that requires rapid and dynamic movements by utilizing high-speed hydraulic systems, employing responsive valve control, optimizing cylinder design, integrating accumulators, and incorporating feedback sensors and advanced control algorithms. These measures enable hydraulic systems to deliver the speed, responsiveness, and precision necessary for equipment operating in dynamic environments. By leveraging the capabilities of hydraulic cylinders, manufacturers can design and integrate systems that meet the requirements of applications demanding rapid and dynamic movements.
Which industries and machinery commonly use hydraulic cylinders for power transmission?
Hydraulic cylinders are widely used in various industries and machinery for power transmission due to their ability to generate high force, precise control, and reliable operation. They play a crucial role in converting hydraulic energy into mechanical force and motion. Here are the detailed industries and machinery that commonly utilize hydraulic cylinders for power transmission:
1. Construction and Heavy Equipment:
- Hydraulic cylinders are extensively used in the construction industry for tasks involving heavy lifting, pushing, and positioning. They are employed in cranes, excavators, loaders, bulldozers, and other heavy equipment to lift and move heavy loads, operate attachments, and manipulate construction materials. Hydraulic cylinders provide the necessary force and control for tasks such as lifting and lowering buckets, extending and retracting booms, and tilting blades.
2. Material Handling and Logistics:
- In material handling and logistics applications, hydraulic cylinders are vital components for the movement and manipulation of goods. They are used in forklifts, stackers, palletizers, and conveyor systems to lift, lower, and position loads with precision. Hydraulic cylinders enable the efficient transfer of heavy objects, facilitate stacking and sorting operations, and contribute to the smooth operation of material handling equipment.
3. Agriculture and Farming:
- The agricultural industry relies on hydraulic cylinders for various tasks in farming equipment. Tractors, harvesters, sprayers, and loaders utilize hydraulic cylinders to perform functions such as lifting and lowering implements, adjusting the position of attachments, and steering operations. Hydraulic cylinders enable efficient and precise control in tasks like plowing, tilling, harvesting, and baling, enhancing productivity and convenience in agricultural operations.
4. Mining and Extraction:
- Hydraulic cylinders are extensively utilized in the mining and extraction industry for their ability to handle heavy loads and operate in challenging environments. They are employed in mining equipment such as dump trucks, loaders, and excavators for tasks like ore extraction, rock breaking, and material transport. Hydraulic cylinders provide the force required for excavating, loading, and dumping operations, contributing to the efficiency and productivity of mining operations.
5. Manufacturing and Industrial Machinery:
- Hydraulic cylinders are an integral part of various manufacturing and industrial machinery. They are utilized in presses, stamping machines, injection molding machines, and metal forming equipment to apply force for shaping, bending, and pressing operations. Hydraulic cylinders enable precise control over the force and speed required for manufacturing processes, ensuring accurate and consistent results.
6. Automotive and Transportation:
- Hydraulic cylinders are employed in the automotive and transportation industry for a range of applications. They are used in vehicle lifting systems, such as car lifts and hydraulic jacks, for maintenance and repairs. Hydraulic cylinders are also utilized in bus doors, truck tailgates, and cargo handling systems to provide controlled movement and positioning. Additionally, hydraulic suspension systems in trucks, buses, and trailers use hydraulic cylinders for load leveling and stability.
7. Aerospace and Aviation:
- The aerospace and aviation industry relies on hydraulic cylinders for various applications, including aircraft landing gear, wing flaps, and flight control systems. Hydraulic cylinders provide the necessary force and precise control for extending and retracting landing gear, adjusting wing surfaces, and actuating control surfaces. They contribute to the safe and efficient operation of aircraft, ensuring reliable performance during takeoff, landing, and flight maneuvers.
8. Marine and Offshore:
- Hydraulic cylinders are utilized in marine and offshore equipment for a wide range of tasks. They are found in ship and boat steering systems, hatch covers, cranes, winches, and anchor handling equipment. Hydraulic cylinders enable precise control and powerful force transmission in maritime applications, supporting navigation, cargo handling, and offshore operations.
In summary, hydraulic cylinders are commonly used in industries such as construction, material handling, agriculture, mining, manufacturing, automotive, aerospace, marine, and more. They are integral components in machinery and equipment that require reliable power transmission, precise control, and the ability to handle heavy loads. The versatile nature of hydraulic cylinders allows them to be adapted to various applications, contributing to increased efficiency, productivity, and safety in numerous industries.
editor by CX 2024-01-30
China high quality 707-01-0K790 Bucket Cylinder for CZPT PC2000 Excavator Cylinder vacuum pump electric
Product Description
Professional Excavator Hydraulic Arm Boom Bucket Cylinder Manufacturer
Factory Supplying Directly, Super Quality with Competitive Price!
Product Features:
| Product Name: | 707-01-0K790 Bucket Cylinder for CHINAMFG PC2000 Excavator Cylinder |
| Material: | Steel |
| Colors: | Black, Yellow, Red, Blue, Green etc |
| Condition: | 100% New |
| Warranty: | 6-12 Months |
| Package: | Wooden Case |
| Related Products: | Hydraulic Pump,Travel Motor,Travel Gearbox,Swing Motor,Swing Gearbox for Excavators |
XIHU (WEST LAKE) DIS.N Hydraulic Cylinder Including:
Warehouse&Production
Application:
FAQ:
1.Q:Are you a trader or manufacturer?
A:We are both. Our road roller factory was established in 2571 based on HangZhou city.
2.Q:How about the delivery time?
A:According the part and the Qty. Normally 5-10 days is enough.
3.Q:Can clients customize the goods?
A:Absolutely, we can design and produce the goods according the clients' demands.
4.Q: How do you guarantee your quality ?
A: Firstly, we do quality test during every process. We produce most components by ourselves, it is started from cutting raw material ,machining roughly in the first step. casting ,forging ,punching ,heat treatment ,finish machining ,painting ,assembling and finally packing ,we will spot check for each steps.Secondly, we will collect all comments on our products from customers in time. And try our best to improving quality all the time.
Contact Us:
| Melon Lin ---------------- Sales Manager ZheJiang XIHU (WEST LAKE) DIS.N MACHINERY CO., LTD. |
| After-sales Service: | Technical Support |
|---|---|
| Warranty: | 1 Year |
| Type: | Excavator Parts |
| Application: | Hydraulic Cylinder |
| Certification: | CE, ISO9001: 2000 |
| Condition: | New |
| Customization: |
Available
|
|
|---|
How do hydraulic cylinders enhance the performance of construction and mining equipment?
Hydraulic cylinders play a vital role in enhancing the performance of construction and mining equipment by providing powerful and precise linear motion. These industries require heavy-duty machinery that can withstand demanding conditions and efficiently perform tasks such as lifting, pushing, and digging. Here's a detailed explanation of how hydraulic cylinders enhance the performance of construction and mining equipment:
1. Power and Force:
- Hydraulic cylinders are capable of generating substantial force, allowing construction and mining equipment to handle heavy loads and perform challenging tasks. The hydraulic system applies pressure to the fluid, which is transmitted to the hydraulic cylinder, resulting in the movement of the piston rod. The larger the diameter of the cylinder, the greater the force that can be generated. Hydraulic cylinders enable the equipment to exert significant force, making it possible to lift and move heavy materials, excavate soil and rock, and perform other demanding operations.
2. Precise Control:
- Hydraulic cylinders offer precise control over the movement of construction and mining equipment. By regulating the flow of hydraulic fluid into and out of the cylinder through control valves, operators can precisely control the speed, position, and force exerted by the hydraulic cylinder. This level of control allows for accurate and controlled movements, enabling operators to perform tasks with precision and efficiency. Whether it's lifting a specific load, positioning an attachment, or maneuvering in tight spaces, hydraulic cylinders provide the necessary control for optimal equipment performance.
3. Adaptability:
- Hydraulic cylinders are highly adaptable to various construction and mining equipment. They can be designed and manufactured in different sizes, stroke lengths, and configurations to suit specific requirements. Hydraulic cylinders can be integrated into different types of equipment, such as excavators, loaders, bulldozers, and drilling rigs. Their adaptability allows for the customization of equipment to meet the needs of different applications and operating conditions, enhancing overall performance.
4. Durability and Reliability:
- Construction and mining environments are known for their harsh conditions, including extreme temperatures, vibrations, and exposure to dust, dirt, and debris. Hydraulic cylinders are designed to withstand these challenging conditions and provide long-lasting performance. They are constructed using robust materials, such as high-strength steel, and equipped with seals and components that can endure heavy loads, impacts, and contaminants. The durability and reliability of hydraulic cylinders ensure that construction and mining equipment can operate continuously and withstand the demanding nature of these industries.
5. Safety:
- Hydraulic cylinders contribute to the safety of construction and mining equipment operations. Their precise control allows operators to perform tasks with accuracy, minimizing the risk of accidents and damage to the equipment or surrounding structures. Hydraulic cylinders also enable the implementation of safety features, such as overload protection systems and emergency stop mechanisms, ensuring the safe operation of the equipment. The reliable and controlled movements provided by hydraulic cylinders enhance overall safety in construction and mining operations.
6. Increased Productivity:
- By providing the necessary power, precise control, and adaptability, hydraulic cylinders contribute to increased productivity in construction and mining applications. Construction and mining equipment equipped with hydraulic cylinders can perform tasks more efficiently and effectively, reducing the time and effort required to complete projects. The ability to handle heavy loads, control movements precisely, and adapt to various tasks improves the overall productivity of the equipment, leading to cost savings and improved project timelines.
In summary, hydraulic cylinders enhance the performance of construction and mining equipment by providing power, precise control, adaptability, durability, and safety. They enable these machines to handle heavy loads, perform tasks with accuracy, withstand harsh conditions, and increase productivity. Hydraulic cylinders are integral components that contribute to the efficiency and effectiveness of construction and mining operations.
Advancements in Hydraulic Cylinder Technology Improving Corrosion Resistance
Advancements in hydraulic cylinder technology have led to significant improvements in corrosion resistance. Corrosion is a major concern in hydraulic systems, especially in environments where cylinders are exposed to moisture, chemicals, or corrosive agents. These advancements aim to enhance the durability and longevity of hydraulic cylinders. Let's explore some of the key advancements in hydraulic cylinder technology that have improved corrosion resistance:
- Corrosion-Resistant Materials: The use of corrosion-resistant materials is a fundamental advancement in hydraulic cylinder technology. Stainless steel, for example, offers excellent resistance to corrosion, making it a popular choice in marine, offshore, and other corrosive environments. Additionally, advancements in metallurgy have led to the development of specialized alloys and coatings that provide enhanced corrosion resistance, extending the lifespan of hydraulic cylinders.
- Surface Treatments and Coatings: Various surface treatments and coatings have been developed to protect hydraulic cylinders from corrosion. These treatments can include electroplating, galvanizing, powder coating, and specialized corrosion-resistant coatings. These coatings create a barrier between the cylinder surface and corrosive elements, preventing direct contact and inhibiting the onset of corrosion. The selection of appropriate coatings depends on the specific application and environmental conditions.
- Sealing Technology: Effective sealing systems are crucial in preventing water, moisture, and contaminants from entering the cylinder and causing corrosion. Advancements in sealing technology have led to the development of high-quality seals and advanced sealing designs that offer superior resistance to corrosion. These seals are typically made from materials specifically engineered to withstand corrosive environments, ensuring long-term sealing performance and minimizing the risk of corrosion-related issues.
- Improved Surface Finishes: The surface finish of hydraulic cylinders plays a role in their resistance to corrosion. Advancements in machining and polishing techniques have allowed for smoother and more uniform surface finishes. Smoother surfaces reduce the likelihood of corrosion initiation and make it easier to clean and maintain hydraulic cylinders. Additionally, specialized finishes, such as passivation or chemical treatments, can be applied to further enhance corrosion resistance.
- Environmental Protection Features: Hydraulic cylinders can be equipped with additional features to protect against corrosion. These features may include protective boots, bellows, or shields that guard vulnerable areas from exposure to corrosive agents. By incorporating these protective elements into the design, hydraulic cylinders can withstand harsh environments and minimize the risk of corrosion-related damage.
In summary, advancements in hydraulic cylinder technology have significantly improved corrosion resistance. The use of corrosion-resistant materials, advanced surface treatments and coatings, innovative sealing technology, improved surface finishes, and the incorporation of environmental protection features have all contributed to enhanced durability and longevity of hydraulic cylinders in corrosive environments. These advancements ensure reliable performance and reduce the maintenance and replacement costs associated with corrosion-related issues.
How do manufacturers ensure the quality and compatibility of hydraulic cylinders?
Manufacturers employ various measures to ensure the quality and compatibility of hydraulic cylinders, ensuring that they meet industry standards, performance requirements, and the specific needs of their customers. Here's a detailed explanation of the methods and practices used by manufacturers to ensure the quality and compatibility of hydraulic cylinders:
1. Design and Engineering:
- Manufacturers employ skilled engineers and designers who have expertise in hydraulic systems and cylinder design. They use advanced design software and tools to create hydraulic cylinders that meet the desired specifications and performance requirements. Through careful analysis and simulation, manufacturers can ensure that the cylinders are designed to function optimally and provide the necessary force, stroke length, and reliability.
2. Material Selection:
- High-quality materials are crucial for the durability, performance, and compatibility of hydraulic cylinders. Manufacturers carefully select materials such as steel or other alloys based on their strength, corrosion resistance, and suitability for hydraulic applications. They source materials from reputable suppliers and perform quality checks to ensure that the materials meet the required standards and specifications.
3. Quality Control:
- Manufacturers implement robust quality control processes throughout the production of hydraulic cylinders. This includes rigorous inspections and tests at various stages of manufacturing, from raw material inspection to final assembly. Quality control personnel perform dimensional checks, surface finish inspections, and functional tests to verify that the cylinders meet the specified tolerances, performance criteria, and compatibility requirements.
4. Testing and Validation:
- Hydraulic cylinders undergo testing and validation procedures to ensure their performance, reliability, and compatibility. Manufacturers conduct various tests, such as pressure testing, leakage testing, load testing, and endurance testing. These tests simulate real-world operating conditions and verify that the cylinders can withstand the expected loads, pressures, and environmental factors. Additionally, manufacturers may perform compatibility testing to ensure that the cylinders can integrate seamlessly with other hydraulic system components.
5. Compliance with Standards:
- Manufacturers adhere to industry standards and regulations to ensure the quality and compatibility of hydraulic cylinders. They follow standards such as ISO 9001 for quality management systems and ISO 6020/2 or ISO 6022 for hydraulic cylinders. Compliance with these standards ensures that the manufacturing processes, quality control measures, and product performance meet internationally recognized benchmarks.
6. Certification and Accreditation:
- Manufacturers may obtain certifications and accreditations from recognized organizations to demonstrate their commitment to quality and compatibility. Certifications such as ISO certifications or third-party certifications provide assurance to customers that the hydraulic cylinders have undergone rigorous evaluations and meet specific quality and compatibility standards.
7. Customer Collaboration:
- Manufacturers actively engage with customers to understand their specific requirements and ensure compatibility. They work closely with customers to gather application-specific details, such as operating conditions, load requirements, and environmental factors. This collaborative approach allows manufacturers to customize hydraulic cylinders and provide solutions that are perfectly matched to the customer's needs, ensuring compatibility and optimal performance.
8. Continuous Improvement:
- Manufacturers are committed to continuous improvement in their processes and products. They invest in research and development to incorporate the latest technologies, materials, and manufacturing techniques. By staying updated with industry advancements, manufacturers can enhance the quality, performance, and compatibility of their hydraulic cylinders over time.
By implementing effective design and engineering practices, selecting high-quality materials, conducting rigorous quality control, testing and validation procedures, complying with industry standards, obtaining certifications, collaborating with customers, and embracing continuous improvement, manufacturers ensure the quality and compatibility of hydraulic cylinders. These measures help to deliver reliable, high-performance cylinders that meet the diverse needs of industries and applications.
editor by CX 2023-12-06
China OEM Best Seller Bucket Cylinder for Hydraulic Excavator Parts near me manufacturer
Product Description
About Us:
HangZhou CZPT Industrial Co.,Ltd,the professional excavator parts supplier in China for more than 10 years.
We provide all parts for CZPT excavator,so its convenient for you if you want to buy kinds of parts together.And also please do not worry about the price and quality!We totally have advantage in price and quality compared with foreign trade company.
Our excavators and parts are exported to South Africa Ghana Banglade South America the United states Germany Brazil United Kingdom Russia Japan Australia South Korea India France and so on.
SANY OEM/ODM arm cylinder boom cylinder and bucket cylinder for CZPT excavator SY16-SY465
| Parts description: | cylinder for excavator |
| For excavator brand: | SANY excavator SY16-SY465 |
| Country of Origin: | China |
| HS code: | 8431499900 |
| Port of Loading: | ZheJiang or HangZhou |
| Delivery time: | 3 days after payment |
| Payment Term: | TT or LC |
The parts of CZPT we supply as following:
Pump,tube,electric parts,filters,oil,hose,adjusting arm,swing motor,seal repair kits,slewing bearing,boom cylinder,arm cylinder,bucket cylinder,main control valve,cabin,cabin door,excavator key and lock,bucket tooth,tooth holder,pin and washer,track shoe,track motor,sprocket,track roller,roller guard,carrier roller,track tensioner,track chain,track frame and so on.
Benefits & Features
Good quality excavator parts.
1)SANY Genuine Parts.
2) Higher working efficiency
3) Reduce the maintenance costs of other engine parts.
4) Longer equipment life.
5) Higher returns.
6) Less downtime.
FAQ:
1: What kind terms of payment can be accepted?
A: For terms of payment, L/C, T/T, D/A, D/P, Western Union (can be) could accepted
2: What certificates are available in Machinery?
A: For the certificate, we have CE, ISO, EPA(USA)CCC,
3: What about the delivery time?
A: 7 days after receiving the payment.
4: What about the warranty time?
A: 12 months after shipment or 2000 working hours, whichever occuts first.
5. What about the Minimum Order Quantity?
A: The MOQ is 1 pcs
Our Advantage:
1 We have many highly qualified engineers and sale managers, with wide and specific knowledge in the sale, and repair of construction machines, the sales team prides itself on its knowledge of heavy machinery coupled with exemplary after sales service .
2 We have our transfer warehouse for all the spare parts, the warehouse is about 2000 square meter, hold about USD5,000,000.00 spare parts anytime.
3 we have high-efficient logistics operation system,which ensure shipment is on time and right.
4 our product is all over the world.
5 we hope create the future together with every CZPT machine customers.
Worm Shafts and Gearboxes
If you have a gearbox, you may be wondering what the best Worm Shaft is for your application. There are several things to consider, including the Concave shape, Number of threads, and Lubrication. This article will explain each factor and help you choose the right Worm Shaft for your gearbox. There are many options available on the market, so don't hesitate to shop around. If you are new to the world of gearboxes, read on to learn more about this popular type of gearbox.
Concave shape
The geometry of a worm gear varies considerably depending on its manufacturer and its intended use. Early worms had a basic profile that resembled a screw thread and could be chased on a lathe. Later, tools with a straight sided g-angle were developed to produce threads that were parallel to the worm's axis. Grinding was also developed to improve the finish of worm threads and minimize distortions that occur with hardening.
To select a worm with the proper geometry, the diameter of the worm gear must be in the same unit as the worm's shaft. Once the basic profile of the worm gear is determined, the worm gear teeth can be specified. The calculation also involves an angle for the worm shaft to prevent it from overheating. The angle of the worm shaft should be as close to the vertical axis as possible.
Double-enveloping worm gears, on the other hand, do not have a throat around the worm. They are helical gears with a straight worm shaft. Since the teeth of the worm are in contact with each other, they produce significant friction. Unlike double-enveloping worm gears, non-throated worm gears are more compact and can handle smaller loads. They are also easy to manufacture.
The worm gears of different manufacturers offer many advantages. For instance, worm gears are 1 of the most efficient ways to increase torque, while lower-quality materials like bronze are difficult to lubricate. Worm gears also have a low failure rate because they allow for considerable leeway in the design process. Despite the differences between the 2 standards, the overall performance of a worm gear system is the same.
The cone-shaped worm is another type. This is a technological scheme that combines a straight worm shaft with a concave arc. The concave arc is also a useful utility model. Worms with this shape have more than 3 contacts at the same time, which means they can reduce a large diameter without excessive wear. It is also a relatively low-cost model.
Thread pattern
A good worm gear requires a perfect thread pattern. There are a few key parameters that determine how good a thread pattern is. Firstly, the threading pattern must be ACME-threaded. If this is not possible, the thread must be made with straight sides. Then, the linear pitch of the "worm" must be the same as the circular pitch of the corresponding worm wheel. In simple terms, this means the pitch of the "worm" is the same as the circular pitch of the worm wheel. A quick-change gearbox is usually used with this type of worm gear. Alternatively, lead-screw change gears are used instead of a quick-change gear box. The pitch of a worm gear equals the helix angle of a screw.
A worm gear's axial pitch must match the circular pitch of a gear with a higher axial pitch. The circular pitch is the distance between the points of teeth on the worm, while the axial pitch is the distance between the worm's teeth. Another factor is the worm's lead angle. The angle between the pitch cylinder and worm shaft is called its lead angle, and the higher the lead angle, the greater the efficiency of a gear.
Worm gear tooth geometry varies depending on the manufacturer and intended use. In early worms, threading resembled the thread on a screw, and was easily chased using a lathe. Later, grinding improved worm thread finishes and minimized distortions from hardening. As a result, today, most worm gears have a thread pattern corresponding to their size. When selecting a worm gear, make sure to check for the number of threads before purchasing it.
A worm gear's threading is crucial in its operation. Worm teeth are typically cylindrical, and are arranged in a pattern similar to screw or nut threads. Worm teeth are often formed on an axis of perpendicular compared to their parallel counterparts. Because of this, they have greater torque than their spur gear counterparts. Moreover, the gearing has a low output speed and high torque.
Number of threads
Different types of worm gears use different numbers of threads on their planetary gears. A single threaded worm gear should not be used with a double-threaded worm. A single-threaded worm gear should be used with a single-threaded worm. Single-threaded worms are more effective for speed reduction than double-threaded ones.
The number of threads on a worm's shaft is a ratio that compares the pitch diameter and number of teeth. In general, worms have 1,2,4 threads, but some have three, five, or six. Counting thread starts can help you determine the number of threads on a worm. A single-threaded worm has fewer threads than a multiple-threaded worm, but a multi-threaded worm will have more threads than a mono-threaded planetary gear.
To measure the number of threads on a worm shaft, a small fixture with 2 ground faces is used. The worm must be removed from its housing so that the finished thread area can be inspected. After identifying the number of threads, simple measurements of the worm's outside diameter and thread depth are taken. Once the worm has been accounted for, a cast of the tooth space is made using epoxy material. The casting is moulded between the 2 tooth flanks. The V-block fixture rests against the outside diameter of the worm.
The circular pitch of a worm and its axial pitch must match the circular pitch of a larger gear. The axial pitch of a worm is the distance between the points of the teeth on a worm's pitch diameter. The lead of a thread is the distance a thread travels in 1 revolution. The lead angle is the tangent to the helix of a thread on a cylinder.
The worm gear's speed transmission ratio is based on the number of threads. A worm gear with a high ratio can be easily reduced in 1 step by using a set of worm gears. However, a multi-thread worm will have more than 2 threads. The worm gear is also more efficient than single-threaded gears. And a worm gear with a high ratio will allow the motor to be used in a variety of applications.
Lubrication
The lubrication of a worm gear is particularly challenging, due to its friction and high sliding contact force. Fortunately, there are several options for lubricants, such as compounded oils. Compounded oils are mineral-based lubricants formulated with 10 percent or more fatty acid, rust and oxidation inhibitors, and other additives. This combination results in improved lubricity, reduced friction, and lower sliding wear.
When choosing a lubricant for a worm shaft, make sure the product's viscosity is right for the type of gearing used. A low viscosity will make the gearbox difficult to actuate and rotate. Worm gears also undergo a greater sliding motion than rolling motion, so grease must be able to migrate evenly throughout the gearbox. Repeated sliding motions will push the grease away from the contact zone.
Another consideration is the backlash of the gears. Worm gears have high gear ratios, sometimes 300:1. This is important for power applications, but is at the same time inefficient. Worm gears can generate heat during the sliding motion, so a high-quality lubricant is essential. This type of lubricant will reduce heat and ensure optimal performance. The following tips will help you choose the right lubricant for your worm gear.
In low-speed applications, a grease lubricant may be sufficient. In higher-speed applications, it's best to apply a synthetic lubricant to prevent premature failure and tooth wear. In both cases, lubricant choice depends on the tangential and rotational speed. It is important to follow manufacturer's guidelines regarding the choice of lubricant. But remember that lubricant choice is not an easy task.
China manufacturer CZPT Excavator Ex60-1 Boom Arm/Stick Bucket Hydraulic Cylinder with Free Design Custom
Product Description
Hydraulic Cylinders for Earth Moving Machinery
Machine workshop
- product view
Hydraulic cylinders that are used on construction equipment must be rugged and reliable. They will experience a lifetime exposed to heavy use in a harsh environment. Failure in service will result in costly downtime, project delays and maintenance headaches.
These cylinders must be designed to withstand the following:
Temperature Extremes -winter cold and summer heat.
Abrasives - dirt, CZPT and dust.
Corrosive Environments - rain and salt.
Work Load - heavy continual use.
Contamination - asphalt and cement splatter.
- Technology
| Hydraulic Cylinder Tube: Using imported equipment rolling machine | |||
| Kind of steel | 45# | Tensile strength N/mm | ≥647 |
| Linearity | 0.3-1/1000 | Specific elongation | ≥4 |
| Precision of size | HB | ||
| Roughness of inner hole | 0.4-0.8 | ||
| Piston rod: Adopt high precision mirror polishing | |
| Material | 45# high grade carbon steel or 40CR |
| Tempering hardness | HB240-260 |
| The depth of the high frequency | 2mm-3mm |
| High frequency hardness | HRC55°±2° |
| Chrome plating thickness | 0.03mm-0.06mm |
| Chromium layer hardness | HV800-1000vpn |
| Straightness | ≤0.08mm/m |
| Surface roughness | Ra0.03um- Ra0.06um |
| Outside diameter tolerance | f7 |
CMM INSPECTION ON SITE
- Advanced Equipment
*Skive Roller Burnishing Machines
*Vertical Honing machine
*Mchining Centers
*CNC Lathes
*Automatic Welding Machines
*Grinders
*Polishing machine
*Cylinder Assembly Benches
*Cylinder Test Benches
*Spray room
- Process flow
Materials feeling → Tempering → Cylindrical lathe cutting → High-frequency quenching → Cylindrical grinding → Hard chrome plating → External grinding
After tempering and surface high-frequency quenching,external surface hard chrome
painting, make it hard both internal and external with smooth surface.
- Service
Tooling warehouse
Customer visit:
Warehouse
- FAQ:
Q1:How about the quality?
A:Third party inspections are always welcomed. Like BV, SGS etc.
Q2: How long is the delivery time?
A: Generally about 5-10 days if the goods in stock. Or will be 15-20 days if the goods are not in stock. And also according to the quantity.
Q3:May I customize the steel pipe?
A:Sure you can, we can produce according to your requirement, you can send the CAD or design drawing.
Q4:Any value-added Services?
A: Fortunately for you,we are very experience in this industry. We have equipped our warehouse with the necessities to perform in-house painting,coating,pipe cutting, etc.
Q5: How about the trade terms?
A: EXW, FOB, CFR, CIF, LC will be accepted.
Drive shaft type
The driveshaft transfers torque from the engine to the wheels and is responsible for the smooth running of the vehicle. Its design had to compensate for differences in length and angle. It must also ensure perfect synchronization between its joints. The drive shaft should be made of high-grade materials to achieve the best balance of stiffness and elasticity. There are 3 main types of drive shafts. These include: end yokes, tube yokes and tapered shafts.
tube yoke
Tube yokes are shaft assemblies that use metallic materials as the main structural component. The yoke includes a uniform, substantially uniform wall thickness, a first end and an axially extending second end. The first diameter of the drive shaft is greater than the second diameter, and the yoke further includes a pair of opposing lugs extending from the second end. These lugs have holes at the ends for attaching the axle to the vehicle.
By retrofitting the driveshaft tube end into a tube fork with seat. This valve seat transmits torque to the driveshaft tube. The fillet weld 28 enhances the torque transfer capability of the tube yoke. The yoke is usually made of aluminum alloy or metal material. It is also used to connect the drive shaft to the yoke. Various designs are possible.
The QU40866 tube yoke is used with an external snap ring type universal joint. It has a cup diameter of 1-3/16" and an overall width of 4½". U-bolt kits are another option. It has threaded legs and locks to help secure the yoke to the drive shaft. Some performance cars and off-road vehicles use U-bolts. Yokes must be machined to accept U-bolts, and U-bolt kits are often the preferred accessory.
The end yoke is the mechanical part that connects the drive shaft to the stub shaft. These yokes are usually designed for specific drivetrain components and can be customized to your needs. Pat's drivetrain offers OEM replacement and custom flanged yokes.
If your tractor uses PTO components, the cross and bearing kit is the perfect tool to make the connection. Additionally, cross and bearing kits help you match the correct yoke to the shaft. When choosing a yoke, be sure to measure the outside diameter of the U-joint cap and the inside diameter of the yoke ears. After taking the measurements, consult the cross and bearing identification drawings to make sure they match.
While tube yokes are usually easy to replace, the best results come from a qualified machine shop. Dedicated driveshaft specialists can assemble and balance finished driveshafts. If you are unsure of a particular aspect, please refer to the TM3000 Driveshaft and Cardan Joint Service Manual for more information. You can also consult an excerpt from the TSB3510 manual for information on angle, vibration and runout.
The sliding fork is another important part of the drive shaft. It can bend over rough terrain, allowing the U-joint to keep spinning in tougher conditions. If the slip yoke fails, you will not be able to drive and will clang. You need to replace it as soon as possible to avoid any dangerous driving conditions. So if you notice any dings, be sure to check the yoke.
If you detect any vibrations, the drivetrain may need adjustment. It's a simple process. First, rotate the driveshaft until you find the correct alignment between the tube yoke and the sliding yoke of the rear differential. If there is no noticeable vibration, you can wait for a while to resolve the problem. Keep in mind that it may be convenient to postpone repairs temporarily, but it may cause bigger problems later.
end yoke
If your driveshaft requires a new end yoke, CZPT has several drivetrain options. Our automotive end yoke inventory includes keyed and non-keyed options. If you need tapered or straight holes, we can also make them for you.
A U-bolt is an industrial fastener that has U-shaped threads on its legs. They are often used to join 2 heads back to back. These are convenient options to help keep drivetrain components in place when driving over rough terrain, and are generally compatible with a variety of models. U-bolts require a specially machined yoke to accept them, so be sure to order the correct size.
The sliding fork helps transfer power from the transfer case to the driveshaft. They slide in and out of the transfer case, allowing the u-joint to rotate. Sliding yokes or "slips" can be purchased separately. Whether you need a new 1 or just a few components to upgrade your driveshaft, 4 CZPT Parts will have the parts you need to repair your vehicle.
The end yoke is a necessary part of the drive shaft. It connects the drive train and the mating flange. They are also used in auxiliary power equipment. CZPT's drivetrains are stocked with a variety of flanged yokes for OEM applications and custom builds. You can also find flanged yokes for constant velocity joints in our extensive inventory. If you don't want to modify your existing drivetrain, we can even make a custom yoke for you.
China Good quality CZPT Excavator Dedicated Boom Arm Bucket Cylinder Excavator Hydraulic Cylinder with Good quality
Product Description
| Product name | hydraulic cylinder |
| Type | excavator hydraulic cylinder |
| Color | Black/gray/red |
| Brand Name | BRZ |
| Model Number | See details |
| Feature | 1. Long life. 2. High strength. 3. Easier for maintenance 4. More accurate. 5. Anti-corrosion. 6. Suitable for various environments. |
| Product Description | The excavator hydraulic cylinder is divided into a boom cylinder, a forearm cylinder and a bucket cylinder, which is the executive system of the excavator. Follow the instructions of the operator to complete various actions. |
We can supply you all kinds of excavator spare parts as following:
1 Hydraulic parts: hydraulic pump, main control valve, hydraulic cylinder, final drive, travel motor, swing
motor,gear box, slewing bearing etc.
2 Engine parts: engine ass'y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger,
fuel injection pump, starting motor and alternator etc.
3 Undercarriage parts: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion
,coil adjuster,rubber track and pad etc.
4 Cab parts: operator's cab assy, wiring harness, monitor, controller, seat, door etc.
HangZhou CZPT Electrical Equipment Co., Ltd. Our main products include a variety of well-known
brands of excavators, bulldozers, loaders, forklifts, wheel loaders, as well as a variety of bulldozers,
excavators, structural and chassis components, hydraulic pumps, hydraulic motors, final drive, travel
motor , rotary motor assembly, engine parts and so on. Our company has established a mature sales
system and improve the service network. We have gained a timely supply at home and abroad between
good reputation and excellent customer service.According to customer support, the company has made
great achievements. To become a leading Chinese construction machinery industry. "Honesty, pragmatism,
hard work, innovation" business philosophy, I always provide quality products to customers, providing
first-class, quick and thoughtful service.We will strive to become an advanced enterprise in the industry,
reached the international level, we will continue to forge ahead, innovation, and establish a century enterprise.
FAQ
Q: How to guarantee the same?
A: Before sending, I will take pictures. After confirmation, I send.
Q: When to ship?
A: Once getting payment then arrange.
Q: Import customs fee?
A: It depends on import country. I can make lower valve so that you can pay lower customs fee even no need to pay.
Q: How long for transport?
A: For express/ air, it takes about 5 days. For land/ sea, it takes about 1 month. It depeds on your address.
Q: Product usage?
A: If any problem about usage, I will solve at first time.
What is a bushing?
A bushing is a cylindrical lining made of a flexible material inside a metal housing. The inner squeeze tube of the bushing helps prevent it from being squeezed by the clip. The material also reduces friction and isolates vibration and noise, while improving performance. This article discusses some of the most common uses for bushings. In this article, we'll discuss the most important reasons to choose a bushing for your transmission.
DESCRIPTION Anti-friction cylindrical lining
A bushing is a bearing that minimizes friction and wear within the bore. It is also used as a housing for shafts, pins, hinges or other types of objects. It takes its name from the Middle Dutch word shrub, which means "box". It is also homologous to the second element of blunderbuss. Here's how to identify bushings and how to use them.
Vibration isolation
Vibration mounts are required for inertial guidance and navigation systems, radar components, and engine accessories. Bushings isolate vibration and provide a more robust design in these applications. Bushings help eliminate vibration-related operational challenges and help protect expensive equipment from damage. Below are several types of vibrating mounts and the differences between them. Each type has unique uses and applications, and the type you choose will depend on the nature of the components and the environment.
Vibration isolation is an important safety feature of many modern machines and instruments. Used to reduce the dynamic consumption that an object suffers at runtime. Instead, it protects equipment and structures from amplitude-related damage. Bushings insulate objects from vibration by reducing the amount of dynamic action transferred from the object to the support structure. Bushings are a popular choice for vibration equipment manufacturers.
Vibration isolation is important in many industrial applications. Vibration can wreak havoc on electronic and mechanical equipment. The forces exerted by vibration can reduce the life expectancy of equipment, leading to premature failure. The cost of isolation depends on the weight of the object being isolated. Most isolators have minimum damping in the isolation region and maximum damping at natural frequencies. In addition, the cost of installation, transportation and maintenance is usually included in the cost.
In addition to providing shock and vibration isolation, bushings help stabilize components by absorbing shock. These devices may need to be replaced in the long run, and your machine design may dictate whether you need to buy more than one. Bushings are an important part of your equipment, so don't skimp on quality when choosing a vibration isolation mount. You won't regret it. They won't break your budget, but will keep your equipment safe.
reduce noise
A properly positioned tree will block the view between the noise source and your house. Make sure the tree is taller than your house to effectively reduce noise. Also, make sure the sprocket and axle are properly aligned. The less noise they make, the better. If you have a noisy neighbor, you may want to consider installing a bushing at the front of the house to block the noise.
While it's possible to replace the bushing yourself, it's best to make sure you follow some basic procedures first. Park your car on level ground and apply the brakes before removing the hood. Check that the wheels move freely. Remember to wear gloves and goggles, and don't cut yourself with sharp objects when changing bushings. If you can't see under the hood, try opening the hood to allow more light to reach the engine area.
SuperPro bushings are designed to reduce noise and vibration in the automotive industry. They are a popular choice for aftermarket bushing manufacturers. While OE rubber bushings are soft and quiet, these polyurethane bushings are specifically designed to eliminate these noise issues. By determining the diameter of your vehicle's anti-roll bars, you can choose the right bushing for your vehicle. You'll be glad you did!
Damaged bushings can cause the stabilizer bar to become unstable. This, in turn, can cause the steering components to misalign, creating a loud ding. Worn bushings can also cause the wheel to squeak as it moves. If they're worn, you'll hear squeaks when cornering. You may even hear these noises when you are turning or changing lanes.
a bearing
A bushing is a component that provides a bearing surface for the forces acting axially on the shaft. A typical example of a thrust bearing is a propeller shaft. The bushing can be a separate part or an integral part of the machine. Typically, bushings are replaceable, while integral bearings are permanent and should not be replaced unless worn or damaged. Bushings are most commonly used in machinery, where they allow relative movement between components.
The bushing is usually an integral unit, while the bearing may have several parts. Simple bushings can be made of brass, bronze or steel. It is often integrated into precision machined parts and helps reduce friction and wear. Typically, bushings are made of brass or bronze, but other materials can also be used. Different designs have different applications, so you should understand what your application requires before purchasing a sleeve.
The most common uses of plain bearings are in critical applications, including turbines and compressors. They are also commonly used in low-speed shafting, including propeller shafts and rudders. These bearings are very economical and suitable for intermittent and linear motion. However, if your application does not require continuous lubrication, a plain bearing may not be required.
Another popular use for sleeves is in food processing. These bearings can be made from a variety of materials, including stainless steel and plastic. Plastic bearings are more cost-effective than metal and are an excellent choice for high-speed applications. These materials are also resistant to corrosion and wear. However, despite their high cost, they can be made from a variety of materials. However, in most cases, the materials used for plain bearings are aluminum nickel, phosphorus and silicon.
China Professional Cat 320L Bucket Cylinder 7y5100 for Excavator Hydraulic Cylinder Made in China wholesaler
Product Description
Company introduction
HangZhou Roca is a comprehensive manufacturing enterprise engaged in hydraulic cylinders, excavator attachment, metal casting, hydraulic components with certification approval to meet custom or OEM requirements.
ROCA owned factory offers customers effective-cost products with quality assurance. With its professional and experienced R&D team, ROCA Hydraulic devotes itself to research and development to optimize products applied in construction, mining, waste management, forestry, agriculture, etc.
Model
CAT Series -320L
Stick Number : 0571 422
Boom Number : 1589058
Bucket Number : 7Y5100
Product introduce
CAT excavator 320L boom cylinder ,arm cylinder,bucket cylinder
Our excavator hydraulic cylinder has 3 types,boom cylinder,arm cylinder,also named stick cylinder,bucket cylinder, we also can make bulldozer hydraulic lift cylinder.
They are made from good material that are heat-treated and hardened to improve the lifespan while meeting the demanding requirements of earthmoving and mining applications.
Цилиндр стрелы экскаватора CAT 320L, цилиндр рукояти, цилиндр ковша
| Working temperature | -40°C ~ 80°C |
| Max. duration of extension | 0.5 hour |
| Color | RAL9005,Customize |
| Material | CK45,ST52,ST52-3,27SiMn,Customize |
| Seal kit | SKF, Trelleborg, Halite, Chesterton, NOK, Kayaba |
| Piston rod | Hard chromed |
| Packaging | Plywood case |
| Warranty | 12 months |
| Payment | T/T |
Specification
| Max. Working pressure | 250bar |
| Weight | 143kg |
| Working volume | 43L |
| Total volume | 47L |
| Max. Cyl. Load (start tipping) | 345kN |
| Extension | 1 | 2 | 3 |
| Diameter | 149mm | 129mm | 110mm |
| stroke | 1060mm | 1085mm | 1085mm |
Pictures
Excavator is the most widely used construction machinery.
The shock load, harsh working environment, precision movement control require high standards on excavator cylinders.
ROCA guarantees excavator cylinder high performance of abrasion resistance and operation stability in any harsh condition has and gains recognition from every solid customer with good quality at a lower cost.
Roca manufactures full-size excavator cylinders for mini excavators to largeexcavators.
Xihu (West Lake) Dis. Mining Group Co., Ltd. is a sizable multinational mining group performing most competitively in Chinese mining industry. ROCA locate in the same CZPT Mining output area, as the mining cylinder plant that grew up in the mining industry, we repair and reman a lot of mining haul truck cylinder. For a decade ROCA has been focused on the production of various types of imported mine-used off-highway trucks & mining trucks.Our cylinders are mainly applied to world-famous brands such as Cat, Komatsu, Hitachi, Liebherr, BELAZ, and other famous international brands.
Single-Acting Telescopic Cylinders
This type of cylinder applies hydraulic pressure in 1 direction only and the return of the telescopic stages is by load such as a truck-trailer.
ROCA single-acting multistage hoists are used widely throughout the transport sector, where they are used in tip trucks servicing agriculture, earthmoving, construction, food processing applications.
Double-Acting Telescopic Cylinder
This type of cylinder is constructed with porting to both the annular and full bore area so hydraulic pressure can be applied to both surfaces and the cylinder stages can move in multiple directions without the need of an outside force, such as gravity.ROCA double-acting multi-stage cylinders are used in a wide variety of applications across many industries where space restrictions prohibit the use of a rod cylinder and require a compact telescopic cylinder design.
There are a wide range of products in the cylinder industry and having a specialist working on behalf of the customer is very important. With our years of experience, our business is positioned to provide prompt service, value and long lasting customer relationships.We work toward getting you better products and better service with competitive price.
FAQ
Q1.Do you have MOQ?
Depending on different ideas, Can be negotiated. The larger the quantity is, the competitive the unit price will be.
Q2.Should the customer pay the delivery fee, How much is it?
For the delivery fee, many samples are being requested to be sent, so we must get the delivery fee.
If you tell me to use the appointed Express, you will give me your express account or you will pay according to the Express.
If you do not request, I will choose a cheap one in China.
Q3.How about the after sale service?
1) We will always keep the quality the same as the buyer's samples and if there is something with the quality, we will make compensation for our customers.
2) We will suggest our packing and take charge in our packing, we will keep the goods safe in the delivery.
3) We will trace the goods from the production to selling, we will solve the problems in the selling for our customers.
Q4.When can I get a price?
We usually quote within 24 hours after we get your inquiry.
Q5: Are you a trade company or manufacturer?
We are a professional manufacturer with our factory.
How to Assemble a Pulley System
A pulley is a wheel that rotates on a shaft or shaft to support the movement of a taut cable. Pulleys allow power to be transmitted from the shaft to the cable.
Simple pulley
The simplest theory of operation of a pulley system assumes that the rope and weight are weightless and that the rope and pulley are not stretched. Since the force on the pulley is the same, the force on the pulley shaft must also be zero. Therefore, the force exerted on the pulley shaft is also distributed evenly between the 2 wires passing through the pulley. The force distribution is shown in Figure 1.
The use of simple pulleys is as old as history. Before the Industrial Revolution, people relied on muscle strength to carry heavy loads. Pulleys, levers and ramps make this possible. Today, we can see pulleys in a variety of systems, from exercise equipment to garage doors, and even rock climbers use them to help them reach greater heights. As you can see, these simple machines have been around for centuries and are used in everyday life.
Another simple pulley system is the pulley system. In this system, there is a fixed pulley at the top and a movable pulley at the bottom. The 2 pulleys are connected by a rope. This combination reduces the amount of work required to lift the load. Additionally, the ropes used in this system are usually made of rope and woven through the individual wheels of the pulley drum.
A pulley is an ingenious device that distributes weight evenly and can be used to lift heavy objects. It is easy to build and can be easily modified for a wide range of activities. Even young children can make their own with very few materials. You can also use simple household items such as washing machines, thin textbooks and even chopsticks. It's very useful and can be a great addition to your child's science and engineering activities.
The simplest pulley system is movable. The axis of the movable pulley can move freely in space. The load is attached to 1 end of the pulley and the other end to the stationary object. By applying force on the other end of the rope, the load is lifted. The force at the other end of the rope is equal to the force at the free end of the pulley.
Another form of pulley is the compound pulley. Compound pulleys use 2 or more wheels to transmit force. Compound pulleys have 2 or more wheels and can lift heavier objects. Dim is POLE2.
tapered pulley
It is important to clean and align the bolt holes before assembling the tapered pulley. The screws should be lubricated and the threads cleaned before installation. To install the pulley, insert it into the shaft keyway. The keyway should be aligned with the shaft hole to prevent foreign matter from entering the pulley. Then, alternately tighten the bolts until the pulley is tightened to the desired torque.
A tapered pulley is a basic structure. The pulley belt is arranged across 4 steps. Installed between the headstock casting and the main shaft, it is often used in the paper industry. It integrates with printing machinery and supports assembly lines. These pulleys are also available in metric range options, eliminating the need for ke-waying or re-drilling. They are easy to install, and users can even customize them to suit their needs.
CZPT Private Limited is a company that provides unique products for various industries. This large product is used for many different purposes. Also, it is manufactured for industrial use. The company's website provides detailed specifications for the product. If you need a tapered pulley, contact a company in your area today to purchase a quality product!
Tapered pulleys are vital to paper mill machinery. Its special design and construction enable it to transmit power from the engine source to the drive components. The advantages of this pulley include low maintenance costs and high mechanical strength. Cone wheel diameters range from 10 inches to 74 inches. These pulleys are commonly used in paper mills as they offer low maintenance, high mechanical strength and low wear.
A tapered sleeve connects the pulley to the shaft and forms an interference fit connector. The taper sleeve is fixed on the shaft with a key, and the corresponding inner hole is fixed on the shaft with a key. These features transmit torque and force to the pulley through friction. This allows the tapered pulley to move in a circular motion. The torque transfer characteristics of this pulley are most effective in high speed applications.
The sleeve is the most important part when assembling the tapered pulley. There is an 8-degree taper inside the cone, which is closely connected to the inner surface of the pulley. Taper sleeves and pulleys are interchangeable. However, tapered pulleys can be damaged after prolonged use.
pulley pulley system
A pulley pulley system is a great way to move heavy objects. These systems have been around for centuries, dating back to the ancient Greeks. This simple mechanism enables a person to lift heavy objects. These blocks are usually made of rope, and the number of turns varies for different types of rope. Some blocks have more cords than others, which creates friction and interferes with the easy movement of the lifting system.
When using a pulley pulley, the first thing to decide is which direction to pull. Unfavorable rigging means pulling in the opposite direction. In theory, this method is less efficient, but sometimes requires a certain amount of work space. The benefit is that you will increase the mechanical advantage of the pulley by pulling in the opposite direction. So the interception and tackle system will give you more of a mechanical advantage.
Pulley pulleys are an excellent choice for lifting heavy objects. The system is simple to install and users can easily lift objects without extensive training. Figure 3.40 shows a pulley in action. In this photo, the person on the left is pulling a rope and tying the end of the rope to a weight. When the rope is attached to the load, the rope will be pulled over the pulley and pulley.
The blocks on the blocks are attached to the ends of the rope. This creates unique lifting advantages compared to single-line systems. In Figure 3, the tension of each thread is equal to one-third of the unit weight. When the rope is pulled over the pulley, the force is divided equally between the 2 wires. The other pulley reverses the direction of the force, but that doesn't add any advantage.
Use pulleys to reduce traction and load. The weight of the load has not changed, but the length of the rope has increased. Using this method, lifting the load by pulling the rope 4 times reduces the force required to lift 1 foot. Likewise, if the pulley system had 4 pulleys instead of three, the length of the rope would be tripled.
The system can transmit loads in any direction. Rope length is determined by multiplying the distance from the fixed block to the load by the mechanical advantage. If the mechanical advantage is 3:1, then passing the rope through the pulley 3 times will produce the required traction distance. Also, the length of the rope will depend on the mechanical advantage, so if the load is 3 times the length of the rope, it will be more than 3 times the required length.
China supplier CZPT Excavator Dedicated Boom Arm Bucket Cylinder Excavator Hydraulic Cylinder near me supplier
Product Description
| Product name | hydraulic cylinder |
| Type | excavator hydraulic cylinder |
| Color | Black/gray/red |
| Brand Name | BRZ |
| Model Number | See details |
| Feature | 1. Long life. 2. High strength. 3. Easier for maintenance 4. More accurate. 5. Anti-corrosion. 6. Suitable for various environments. |
| Product Description | The excavator hydraulic cylinder is divided into a boom cylinder, a forearm cylinder and a bucket cylinder, which is the executive system of the excavator. Follow the instructions of the operator to complete various actions. |
We can supply you all kinds of excavator spare parts as following:
1 Hydraulic parts: hydraulic pump, main control valve, hydraulic cylinder, final drive, travel motor, swing
motor,gear box, slewing bearing etc.
2 Engine parts: engine ass'y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger,
fuel injection pump, starting motor and alternator etc.
3 Undercarriage parts: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion
,coil adjuster,rubber track and pad etc.
4 Cab parts: operator's cab assy, wiring harness, monitor, controller, seat, door etc.
HangZhou CZPT Electrical Equipment Co., Ltd. Our main products include a variety of well-known
brands of excavators, bulldozers, loaders, forklifts, wheel loaders, as well as a variety of bulldozers,
excavators, structural and chassis components, hydraulic pumps, hydraulic motors, final drive, travel
motor , rotary motor assembly, engine parts and so on. Our company has established a mature sales
system and improve the service network. We have gained a timely supply at home and abroad between
good reputation and excellent customer service.According to customer support, the company has made
great achievements. To become a leading Chinese construction machinery industry. "Honesty, pragmatism,
hard work, innovation" business philosophy, I always provide quality products to customers, providing
first-class, quick and thoughtful service.We will strive to become an advanced enterprise in the industry,
reached the international level, we will continue to forge ahead, innovation, and establish a century enterprise.
FAQ
Q: How to guarantee the same?
A: Before sending, I will take pictures. After confirmation, I send.
Q: When to ship?
A: Once getting payment then arrange.
Q: Import customs fee?
A: It depends on import country. I can make lower valve so that you can pay lower customs fee even no need to pay.
Q: How long for transport?
A: For express/ air, it takes about 5 days. For land/ sea, it takes about 1 month. It depeds on your address.
Q: Product usage?
A: If any problem about usage, I will solve at first time.
What Are Screw Shaft Threads?
A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You'll have a better understanding of your screw shaft's threads after reading this article. Here are some examples. Once you understand these details, you'll be able to select the best screw nut for your needs.
Coefficient of friction between the mating surfaces of a nut and a screw shaft
There are 2 types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut's pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt's pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.
Helix angle
In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw's helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
Thread angle
The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw's thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders' Association in 1871.
Generally speaking, the major diameter of a screw's threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw's thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw's proper function.
Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw's thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.
Material
Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they're made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they're a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
Self-locking features
Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the 2 materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes' screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw's construction, as well as its lubrication conditions. Finally, a screw's end fixity - the way the screw is supported - affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.
China best Heavy Duty Excavator Bucket Hydraulic Cylinder with high quality
Product Description
Condition: New
Applicable Industries: Machinery Repair Shops, Construction works
After Warranty Service: Video technical support, Online support
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: New Product 2571
Place of Origin: ZheJiang , China
Warranty: 1 year
After-sales Service Provided: Video technical support, Online support
Certification: ISO9001
Color: yellow,blk
Material: 40cr+25mn
Surface Hardness: HRC52-58
Hardness Depth: 8-12mm
Name: Hydraulic cylinder
Supply Ability
Supply Ability: 60000 Pieces per year
Packaging & Delivery
Packaging Details: Standard export fumigated wooden pallet
Port: HangZhou port
|
Material |
40cr+25mn |
| Finish | Smooth |
| Colors | yellow,blk |
| Technique | Forging / casting |
| Surface Hardness | HRC52-58,deepth:8mm-12mm |
| Warranty time | 1 year |
| Certification | ISO9001 |
| Delivery Time | Within 30 days after contract established |
| BRAND | CATALOGUE | ||||||||
| BULLDOZER | D20 | D30 | D31 | D37 | D40 | D41 | D45 | D50 | D60 |
| D65 | D68 | D75 | D80 | D85 | D150 | D155 | D275 | D355 | |
| D3C | D3D | D4C | D4D | D4H | D5 | D6C | D6D | D6H | |
| D7G | D8K | D8N | D9N | D10N | D11N | ||||
| KOMATSU | PC30 | PC40 | PC45 | PC60 | PC75 | PC100 | PC120 | PC150 | PC200 |
| PC220 | PC300 | PC350 | PC400 | ||||||
| CATERPILLAR | E70B | E110 | E120B | E215 | E235 | E307 | E311 | E312 | E322 |
| E180 | E240 | E200B | E320 | E300 | E300B | E330 | E325 | ||
| HITACHI | EX30 | EX40 | EX60 | EX100 | EX120 | EX200 | EX220 | EX270 | EX300 |
| EX400 | EX600 | UH043 | UH052 | UH53 | UH07 | UH081 | UH082 | UH083 | |
| FIAT-HITACHI | FH120 | FH130 | FH150 | FH200 | FH220 | FH270 | FH300 | ||
| VOLVO | EC55 | EC130 | EC150 | EC200 | EC210 | EC240 | EC290 | EC360 | |
| DAEWOO | DH55 | DH130 | DH180 | DH200 | DH280 | DH300 | DH320 | ||
| HYUNDAI | R60 | R130 | R200 | R210 | R220 | R290 | R320 | R914 | |
| KATO | HD250 | HD400 | HD450 | HD700 | HD770 | HD820 | HD1250 | ||
| KOBELCO | SK40 | SK60 | SK100 | SK120 | SK200 | SK220 | SK04-2 | SK07 | |
| SK07N2 | SK09 | SK12 | SK14 | SK300 | SK310 | SK400 | |||
| JCB | JS70 | JS75 | JS110 | JS130 | JS160 | JS180 | JS200 | JS220 | |
| JS240 | JS260 | JS300 | JS330 | ||||||
| SUMITOMO | SH70 | SH100 | SH120 | SH160 | SH200 | SH260 | SH265 | SH280 | SH300 |
| SH340 | LS2650 | LS2800 | LS3400 | LS4300 | |||||
| MX8 | SE200 | SE210 | SE280 | MX292 | SE350 | ||||
| MITSUBISHI | MS110 | MS120 | MS140 | MS180 | |||||
All manufacturer's names,symbols&descriptions are used for reference purpose only,and it is not implied that and any part listed is the product of these manufacturers.
1. You are a trader or a manufacture?
We are an industry and trade integration business, our factory located on HangZhou Nanan Distric, and our sales department is in City centre of HangZhou. The distance is 80Kms, 1.5 hours.
2. How can I be sure the part will fit my excavator?
Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.
3. How about the payment terms?
We usually accept T/T or Trade Assurance. other terms also could be negotiated.
4. What is your minimum order?
It depends on what you are buying. Normally, our minimum order is one 20' full container and LCL container (less than a container load) can be acceptable.
5. What is your delivery time?
FOB HangZhou or any Chinese port : 20 days . If there are any parts in stock , our delivery time is only 0-7 days.
6. What about Quality Control?
We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container.
Stiffness and Torsional Vibration of Spline-Couplings
In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
Stiffness of spline-coupling
The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline's teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
Characteristics of spline-coupling
The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor's lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component's behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.
Stiffness of spline-coupling in torsional vibration analysis
This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
Effect of spline misalignment on rotor-spline coupling
In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.
China Custom Case Excavator Cx210b Krv19600 Boom Arm Bucket Hydraulic Cylinder near me manufacturer
Product Description
| Product name | hydraulic cylinder |
| Type | excavator hydraulic cylinder |
| Color | Black/gray/red |
| Brand Name | BRZ |
| Model Number | See details |
| Feature | 1. Long life. 2. High strength. 3. Easier for maintenance 4. More accurate. 5. Anti-corrosion. 6. Suitable for various environments. |
| Product Description | The excavator hydraulic cylinder is divided into a boom cylinder, a forearm cylinder and a bucket cylinder, which is the executive system of the excavator. Follow the instructions of the operator to complete various actions. |
We can supply you all kinds of excavator spare parts as following:
1 Hydraulic parts: hydraulic pump, main control valve, hydraulic cylinder, final drive, travel motor, swing
motor,gear box, slewing bearing etc.
2 Engine parts: engine ass'y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger,
fuel injection pump, starting motor and alternator etc.
3 Undercarriage parts: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion
,coil adjuster,rubber track and pad etc.
4 Cab parts: operator's cab assy, wiring harness, monitor, controller, seat, door etc.
HangZhou CZPT Electrical Equipment Co., Ltd. Our main products include a variety of well-known
brands of excavators, bulldozers, loaders, forklifts, wheel loaders, as well as a variety of bulldozers,
excavators, structural and chassis components, hydraulic pumps, hydraulic motors, final drive, travel
motor , rotary motor assembly, engine parts and so on. Our company has established a mature sales
system and improve the service network. We have gained a timely supply at home and abroad between
good reputation and excellent customer service.According to customer support, the company has made
great achievements. To become a leading Chinese construction machinery industry. "Honesty, pragmatism,
hard work, innovation" business philosophy, I always provide quality products to customers, providing
first-class, quick and thoughtful service.We will strive to become an advanced enterprise in the industry,
reached the international level, we will continue to forge ahead, innovation, and establish a century enterprise.
FAQ
Q: How to guarantee the same?
A: Before sending, I will take pictures. After confirmation, I send.
Q: When to ship?
A: Once getting payment then arrange.
Q: Import customs fee?
A: It depends on import country. I can make lower valve so that you can pay lower customs fee even no need to pay.
Q: How long for transport?
A: For express/ air, it takes about 5 days. For land/ sea, it takes about 1 month. It depeds on your address.
Q: Product usage?
A: If any problem about usage, I will solve at first time.
Choosing the Right Ball Bearing for Your Application
When choosing a Ball Bearing, there are several things to consider. These factors include: the size, lubricant type, presence of corrosive agents, stray electrical currents, and more. It can be challenging to choose the right type, size, and type of ball bearing for your application. You should also carefully calculate the loads to determine the right size. Here are some tips for choosing the right Ball Bearing for your application.
Single-row
The single-row ball bearing is 1 of the most popular types of bearings. The inner and outer ring are designed with raceway grooves that are shaped slightly larger than the balls. This type of bearing has a low torque and can handle high-speed applications with minimal power loss. The radial dimensions of single-row ball bearings also vary, so it is possible to find 1 that fits your specific application. Besides the above-mentioned advantages, single-row ball bearings are also available with varying grease levels and are widely applicable to applications where the space is limited.
Single-row ball bearings are also called angular-contact ball bearings. Because of their single-row design, they are not separable and can accommodate a high-speed, heavy-duty application. Single-row angular-contact ball bearings can only handle axial load in 1 direction, and they must be installed in pairs for pure radial loads. Single-row ball bearings are a popular type of rolling bearings and can be used for a wide range of applications.
Self-aligning
The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile company in Sweden. While he was responsible for making production as efficient as possible, he soon realized that the machinery he had in place wasn't working as efficiently as it could. Although ball bearings are great for reducing friction, they were not flexible enough to compensate for misalignments in the machine.
Self-aligning ball bearings have 2 rows of balls and a common sphered raceway. The inner ring is curved and combines the 2 rows of balls into 1 cage. These bearings can tolerate shaft misalignment and compensate for static angular defects. They can be used in simple woodworking machinery, ventilators, and conveying equipment. They are often the preferred choice for applications where shaft alignment is an issue.
Ceramic
A Ceramic ball bearing is a type of high-performance bearing that is available in both full-ceramic and hybrid forms. The main differences between ceramic and steel ball bearings are their construction, lubrication, and mobility. High-quality ceramic ball bearings are durable, and they are ideal for corrosive and high-temperature applications. The material used to create these bearings helps prevent electrolytic corrosion. They are also ideal for reducing the friction and lubrication requirements.
Ceramic balls are harder and less brittle than steel balls, which gives them a higher degree of rigidity. Ceramics also have a higher hardness, with a hardness of Rc75-80 compared to Rc58-64 for steel balls. Their high compressive strength is approximately 5 to 7 times greater than steel. In addition, they have a very low coefficient of friction, which allows them to spin at higher speeds and with less friction. This increases their lifespan and durability, and decreases the energy needed to turn cranks.
Steel
Unlike traditional bearings, steel balls have a relatively uniform hardness. Carbon steel, for instance, is 2.1% carbon by weight. According to the American Iron and Steel Institute, copper content must be no more than 0.40% and manganese content should not be more than 1.65 g/cm3. After carbonizing, steel balls undergo a process called sizing, which improves their roundness geometry and hardness.
The main differences between steel ball bearings and ceramic ball bearings can be traced to their different materials. Ceramic balls are made from zirconium dioxide or silicon nitride. Silicon nitride is harder than steel and resists shocks. The result is increased speed and longer service life. Polyoxymethylene acetal (PMMA) bearing balls are known for their stiffness, strength, and tolerance, but are not as common as steel ball bearings.
Plastic
The most popular types of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in applications requiring higher chemical resistance. Polypropylene is a structural polymer that offers excellent physical and chemical properties, including excellent resistance to organic solvents and degreasing agents. Its lightweight, low moisture absorption rate, and good heat resistance make it an excellent choice for high-temperature applications. However, plastic bearings are not without their drawbacks, especially when operating at very high temperatures or under heavy loads.
Compared to metal bearings, plastic ball-bearings do not require lubrication. They also are highly corrosion-resistant, making them an excellent choice for wash-down applications. They are also post-, autoclave-, and gamma sterilizable. Many conventional steel ball-bearings cannot handle the high temperatures of food processing or swimming pools. In addition to high temperature applications, plastic ball bearings are resistant to chemicals, including chlorine.
Glass
Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be produced by injection molding of plastic beads. They are widely used in various industries such as office equipment, fitness and automotive equipment. In addition to plastic bearings, glass balls are used in a variety of other applications, including medical equipment. Glass ball bearings have excellent corrosion resistance, excellent mechanical properties, and are electrically insulators.
Plastic ball bearings are made of all-plastic races and cages. These bearings are suitable for applications that are exposed to acids and alkalis. Because they are cheaper than glass balls, plastic ball bearings are popular in chemical-exposed environments. Stainless steel balls are also resistant to heat and corrosion. But the main disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if weight and noise is your main concern, consider using plastic balls instead.
Miniature
The global miniature ball bearing market is expected to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the region is attributed to technological advancement and government initiatives. Countries such as India and China are attracting FDIs and emphasizing the establishment of a global manufacturing hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are very small.
Some manufacturers produce miniature ball bearings in different materials and designs. Chrome steel is the most popular material for miniature ball bearings because of its high load capacity, low noise properties, and lower cost. But the cost of stainless steel miniature bearings is low, since the amount of steel used is minimal. Stainless steel miniature bearings are the smallest in size. Therefore, you can choose stainless steel mini ball bearings for high-speed applications.
Angular-contact
Angular-contact ball bearings have 3 components: a cage, inner ring, and balls. Angular-contact ball bearings can support high axial and radial loads. Various design and manufacturing attributes make angular-contact ball bearings suitable for a variety of applications. Some features of this bearing type include a special lubricant, different cage materials, and different coatings.
The size of an angular-contact ball bearing is determined by the design units: outer ring width, axial load, and radial load. Depending on the type of application, an angular-contact ball bearing may be manufactured in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be classified according to their design units, which range from metric to imperial. A higher ABEC number means tighter tolerances. To determine the tolerance equivalent of a particular bearing, consult a standard Angular-contact ball bearing table.
Angular-contact ball bearings feature high and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are available in self-retaining units with solid inner and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most popular, but lightweight phenolic cages are also available. The latter is a better choice because it doesn't absorb oil and has lower rolling friction.
Materials
When it comes to the construction of a ball bearing, high-quality raw materials are a crucial component. These materials not only affect the overall quality of a ball bearing, but also influence the cost. That's why you should pay close attention to raw material quality. In addition to that, raw materials should be tested several times before the manufacturing process to ensure quality. Read on for some information about the different types of materials used to make ball bearings.
Steel is the most common material for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless steel balls are heavier than plastic ones, and they are also magnetic, which may be a drawback in some applications. If you're looking for a metal-free option, glass balls are the way to go. They're sturdy, lightweight, and resistant to a wide range of chemicals.
China Hot selling Rod Bucket Truck Hydraulic Cylinder with Best Sales
Product Description
Products Description
|
Product Name |
HSG Series Hydraulic Cylinder |
|||
|
Work Press |
7/14/16/21/31.5MPa 37.5/63MPa Can be Customized |
|||
|
Material |
Aluminum,Cast Iron,45mnb Steel,Stainless Steel |
|||
|
Bore Size |
40mm--320mm,Customizable |
|||
|
Shaft Diameter |
20mm--220mm,Customizable |
|||
|
Stroke Length |
30mm--14100mm,Customizable |
|||
|
Rod Surface Hardness |
HRC48-54 |
|||
|
Paint Color |
Black,Yellow,Blue,Brown,Customizable |
|||
|
Mounting |
Earring,Flange,Clevis.Foot,Trunnion,Customizable |
|||
|
Warrenty |
1 Year |
|||
|
MOQ |
1 Piece |
|||
|
Delivery Time |
7-15 Days,Also depands on specific demands |
|||
|
Certification |
ISO9001,CE |
|||
Company Profile
QIANGLIN HYDRAULIC MACHINERY CO., LTD
| QiangLin is a professional hydraulic equipment manufacturer, mainly engaged in hydraulic system design, manufacture, installation, transformation, sales, and technical services. Our manufacturing facilities are certified to the ISO 9001 standard. We are an approved supplier to many equipment manufacturers in China. We are also partners with many customers from America, Canada, Australia, Germany, England, and other European Countries. Product quality, shorter delivery time, and customer satisfaction are our long-term commitments to our worldwide customers. Hope to be your partner. |
FAQ:
Q1: Are you a trading company or a manufacturer?
A: We have our own factory.
Q2: Are you CZPT to make Non-standard or customized products?
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, 15-30 working days if we don't. but it
also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples, but they are not free of charge.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to
contact us.
Q6: What are your After-sales services?
A: Before shipment, Each individual product will be strictly inspected on our factory QC Process
System. In addition, We have a
Customer Service team to respond to customers' questions within 12 hours. Being helpful in
solving customers' problems is always our goal.
Types of Pulley Systems
If you've ever tried to lift a pail of water, you've probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.
two-wheel pulley
Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with 2 wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on 1 side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with 2 wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.
composite pulley
Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from 2 different types of wheels. The first 1 is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are 3 types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds 1 percent of the total weight, and the ideal mechanical advantage is 2 or more. So a compound pulley with 4 segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of 2 wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the 2 wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.
Fixed pulley
Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at 1 end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn't change direction, so it's easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.
Blocks and tackles
A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use 2 types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the 2 pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses 2 pulleys to lift the load. The mechanical advantage of such a system is 2 to 3 times the distance required by the rope to move the load. Depending on how they're assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.