Product Description

Product Description

Servo electric cylinder is a modular product designed by integrating servomotor and ball screw, which converts the rotary motion of servo motor into linear motion, and at the same time optimizes the advantages of servo motor - precise speed control, precise rotation control and precise torque control is transformed into precise speed control, precise rotation control and precise thrust control. This is a new revolutionary product for high precision linear motion series which is the best substitute for pneumatic cylinder and hydraulic cylinder. The servo electric cylinder is widely used in material handling, high precision fields of machining, aerospace test equipment, 6 degree of freedom simulator, robot, injection molding machine, mold control, valve control, compact machine tools, and automobile manufacturing equipment, etc.

Linear electric cylinder
This series of electric cylinder integrates the technology of AC servo motor, servo driver, high-precision ball screw and modular design, so it has the feature of compact structure, low inertness, quick response, low noise, and long life. The servo motor is directly connected with the transmission screw of the electric cylinder, so that the encoder of the servo motor can directly feedback the displacement of the moving piston of the electric cylinder, thus it reduce the inertia and clearance of the intermediate link, and improve the controllability and control accuracy.  The servo motor is connected with the electric cylinder as a whole, which is easy to install, set and use. The main parts of electric cylinder are all foreign famous brand products with stable performance, low failure rate and high reliability.
Parallel electric cylinder

Parallel electric cylinder
Due to the short overall length, the parallel electric cylinder is suitable for small installation site. At the same time, the synchronous belt adopted in this project has the characteristics of high strength, small gap and long service life, so that the whole electric cylinder has high controllability and control precision. The servo motor and the electric cylinder can match flexibly for easy assembling, simple setting, and convenient use.

Specification  
   

Product Feature

1. Energy saving, clean and pollution-free
2. Low noise, low friction, good stability at low speed, excellent controllability and stability
3. Easy to install and use, low maintenance cost
4. Adopting advanced modular design with compact structure, small size and easy installation
5. High response, high performance, high reliability, multiple protection measures
6. Long working life and could frequently start and stop
7. Good environmental adaptability (low temperature, high temperature, plateau, salt spray, waterproof, explosion-proof and other harsh environments)
8. Precision thrust control, pull pressure sensor control accuracy 0.05%
9. Precise speed control, arbitrary speed waveform can be set to achieve high-speed and smooth without impact, and the control accuracy can reach 0.5%
10. The repeatability positioning accuracy is ± 0.02mm (the control accuracy can reach 0.01 if the external displacement sensor is added)

Structure Feature

1. Forged aluminum alloy / high alloy shell: corrosion resistance, light weight, high strength
2. High alloy steel / SUS304 piston rod: corrosion resistance, high strength, anti-rust, wear resistance
3. Transmission mode: trapezoidal screw, ball screw and roller screw are adopted
4. Protection grade: IP65 (special requirements could be customized)
5. Convenient installation, simple maintenance, energy saving, low noise, high response

Application

1. Machinery and equipment field, such as food machinery, medical machinery, welding machinery, packaging equipment, etc
2. Entertainment industry - Dynamic seat, multi degree of freedom dynamic platform, simulation and other fields
3. Automotive industry - press fitting machine, fatigue testing and other fields
4. Coordinate manipulator - automatic production line, material handling and other fields
5. Parallel mechanism, 6-DOF platform, parallel machine tool, etc
   
Comparison of Electric cylinder/ Hydraulic cylinder / Pneumatic cylinder

Company Profile

HangZhou Fengda Automation Equipment Technology Co, Ltd is a high-tech and innovative enterprise which was founded in 2014. Ever since the establishment, we have been engaging in the research, design and manufacture of industrial automation equipment, including electric cylinder, motion simulation platform, servo press machine, automatic production line project etc.

Our products adopt advanced and mature technology of related industries in Europe and United States, and implement the standard modular design and assembly. We have been the preferred supplier for benchmarking enterprises in the industry for many years. The company product range cover all electric linear transmission equipment with features of accurate repeated positioning, speed and torque controllable and adjustable, strong impact resistance, compact structure, low inertia, high response, low friction, low noise, good stability and maintenance-free.

In order to meet the various needs of customers, we provide integrated technology service which could help customers to save the time and cost for the product research and development, and offer the best power transmission and control solutions.

Certificate & Honor

Warehouse

FAQ

Why choose FDR? 
1. We are original manufacturer and we have been engaging in production and exporting of various electric linear transmission equipments for many years (established in 2014).   
2. Many product ranges for selection including electric cylinder, motion simulation platform, servo press machine, automatic production line project etc.   
3. We offer quality products with good price and fast delivery. 
4. The goods of each order are fully inspected to assure the premium quality. 
5. Sample order and less quantity order are also accepted. 
6. We could make customized order or OEM production for our clients. 
7. Our factory is located in HangZhou which is a neighboring city of ZheJiang . The factory visiting, goods transportation and shipping are convenient.   

What's your delivery term?
We accept EXW, FOB, CFR or CIF term.

What's your delivery time for servo electric cylinder? 
For orders of standard models, deliver time is usually within 7-10 days. For customized models, delivery time is usually within 10-15 days.

What's the mode of packing?
For bulk order, we pack the goods by export standard wooden case (non-fumigation) which can withstand rough handling. For sample or small accessories, we usually pack it by export standard carton.

What's your payment term? 
For payment, we accept T/T and L/C.   

How to ship the goods? 
Two options, 1 is sea shipping (usually for bulk order); the other is air shipping/ air express (usually for sample or small order).  

How do you make OEM production? 
We make the OEM production according to your samples or specified drawings.   

How can I inspect the goods? 
Before delivery, you could arrange the inspection in our factory by your company members or appoint the third party members to inspect the goods.   

How do you control the quality? 
We well understand the importance of quality to both our enterprise and our clients, so we take great efforts to quality management and control from material/accessories purchasing, product processing, to final assembling and testing. We welcome customer inspection or third party inspection before delivery.    

Do you have discount for the order?
Yes, we could give discount for bulk order.

Materials Used in Bearings

If you're not familiar with the types of bearings, you may be interested in knowing more about the materials used to manufacture them. Here's a look at what each type of bearing is made of, how it's used, and how much they cost. To find the right bearing for your application, it's important to choose a quality lubricant. The materials used in bearings are determined by their type and applications. Choosing the right lubricant will extend its life, and protect your machine's parts from damage and premature wear.

Materials used in bearings

Bearings are made from a variety of materials. Stainless steel is a common material used for the components of bearings. It has a higher content of chromium and nickel. When exposed to oxygen, chromium reacts with it to form chromium oxide, which provides a passive film. For higher temperatures, teflon and Viton are also used. These materials offer excellent corrosion resistance and are often preferred by manufacturers for their unique properties.
Stainless steel is another material used in bearings. AISI 440C is a high-carbon stainless steel commonly used in rolling-contact bearings. It is widely used in corrosive environments, especially in applications where corrosion resistance is more important than load capacity. It can also be heat-treated and hardened to 60 HRC, but has lower fatigue life than SAE 52100. Stainless steel bearings may carry a 20-40% price premium, but their superior performance is worth the extra money.
Graphite and molybdenum disulfide are 2 of the most common materials used in bearings. While graphite is a popular material in bearings, it has very poor corrosion resistance and is unsuitable for applications where oil or grease is required. Graphite-based composite materials are another option. They combine the benefits of both graphite and ceramic materials. A variety of proprietary materials have been developed for high-temperature use, such as graphite and MoS2.
Wood bearings have been around for centuries. The oldest ones used wood and Lignum Vitae. These materials were lightweight, but they were incredibly strong and durable. Wood bearings were also lubricated with animal fats. During the 1700s, iron bearings were a popular choice. In 1839, Isaac Babbitt invented an alloy containing hard metal crystals suspended in a softer metal. It is considered a metal matrix composite.

Applications of bearings

Bearings are used in many different industries and systems to help facilitate rotation. The metal surfaces in the bearings support the weight of the load, which drives the rotation of the unit. Not all loads apply the same amount of force to bearings, however. Thrust and radial loads act in distinctly different ways. To better understand the different uses of bearings, let's examine the various types of bearings. These versatile devices are essential for many industries, from automobiles to ships and from construction to industrial processes.
Cylindrical roller bearings are designed to support heavy loads. Their cylindrical rolling element distributes the load over a larger area. They are not, however, suited to handling thrust loads. Needle bearings, on the other hand, use small diameter cylinders and can fit into tighter spaces. The advantages of these types of bearings are numerous, and many leading producers are now leveraging the Industrial Internet of Things (IIoT) to develop connected smart bearings.
As a power generation industry, bearings play an essential role. From turbines to compressors, from generators to pumps, bearings are essential components of equipment. In addition to bearings, these components help move the equipment, so they can work properly. Typically, these components use ball bearings, although some roller bearings are used as well. In addition to being efficient and durable, these types of bearings also tend to be built to meet stringent internal clearance requirements and cage design requirements.
In addition to bearings for linear motion, bearings can also bear the weight of a rotary part. Depending on the application, they can be designed to minimize friction between moving parts. By constraining relative motion, bearings are used to reduce friction within a given application. The best-designed bearings minimize friction in a given application. If you're in the market for a new bearing, NRB Industrial Bearings Limited is an excellent source to begin your search.

Types of bearings

The type of bearings you choose will have a significant impact on the performance of your machinery. Using the right bearings can increase efficiency, accuracy, and service intervals, and even reduce the cost of purchasing and operating machinery. There are several different types of bearings to choose from, including ball bearings and flexure bearings. Some types use a fluid to lubricate their surfaces, while others do not.
Plain bearings are the most common type of bearing, and are used for a variety of applications. Their cylindrical design allows for a relatively smooth movement. Often made of copper or other copper alloy, they have low coefficients of friction and are commonly used in the construction industry. Some types of plain bearings are also available with a gudgeon pin, which connects a piston to a connecting rod in a diesel engine.
Magnetic bearings are the newest type of bearing. They use permanent magnets to create a magnetic field around the shaft without requiring any power. These are difficult to design, and are still in the early stages of development. Electromagnets, on the other hand, require no power but can perform very high-precision positioning. They can be extremely durable and have a long service life. They are also lightweight and easy to repair.
Another type of bearing is needle roller. These are made of thin, long, and slender cylinders that are used in a variety of applications. Their slender size is ideal for a space-constrained application, and their small profile allows them to fit in tight places. These types of bearings are often used in automotive applications, bar stools, and camera panning devices. They have several advantages over ball bearings, including the ability to handle heavy axial loads.

Cost of bearings

A wide range of factors affect the cost of aerospace bearings, including the bearing material and its volatility. Manufacturers typically use high-grade steel for aircraft bearings, which are highly affected by fluctuations in the steel price. Government policies also play a part in the variation in trade price. The implementation of COVID-19 has changed the market dynamics, creating an uncertain outlook for supply and demand of aerospace bearings. New trade norms and transportation restrictions are expected to hamper the growth of this industry.
Demand for aerospace bearings is largely driven by aircraft manufacturers. In North America, aircraft manufacturers must meet extremely high standards of weight, performance, and quality. They also must be lightweight and cost-effective. This has resulted in a rising cost of aerospace bearings. The market for aerospace bearings is expected to grow at the highest CAGR over the next few years, driven by increasing investments in defense and aerospace infrastructure across Asia-Pacific.
Hub assemblies are also expensive. A wheel hub will cost between $400 and $500 for 1 set of bearings. In addition to this, the speed sensor will be included. The average cost of wheel bearings is between $400 and $500 for 1 side, including labor. But this price range is much lower if the bearing is a replacement of an entire wheel assembly. It is still worth noting that wheel hub bearings can be purchased separately for a lower price.
Replacement of 1 or 2 wheel bearings will depend on the model and year of the vehicle. For a small car, 1 rear wheel bearing can cost between $190 and $225, whereas 2 front wheel hubs can cost upwards of $1,000. Labor and parts prices will vary by location, and labor costs may also be covered under some warranty plans. If you decide to have it done yourself, be sure to ask multiple shops for estimates.

Inspection of bearings

To maintain bearing performance and prevent accidents, periodic inspections are essential. In addition to ensuring reliability, these inspections improve productivity and efficiency. Regular maintenance includes disassembly inspection, replenishment of lubricant and monitoring operation status. Here are some common ways to perform the necessary inspections. Keep reading to learn how to maintain bearings. After disassembly, you must clean the components thoroughly. Ensure that the bearings are free of burrs, debris, and corrosion.
Ultrasound technology is an excellent tool for monitoring slow-speed bearings. Most ultrasound instruments offer wide-ranging sensitivity and frequency tuning. Ultrasound can also be used to monitor bearing sound. Ultra-slow bearings are usually large and greased with high-viscosity lubricant. Crackling sounds indicate deformity. You can also listen for abnormal noise by plugging a vibration analyzer into the machine. Once the machine shows abnormal noise, schedule additional inspections.
Ultrasonic inspection involves using an ultrasound transducer to measure the amplitude of sound from a bearing. It is effective in early warnings of bearing failure and prevents over-lubrication. Ultrasound inspection of bearings is a cost-effective solution for early diagnosis of bearing problems. In addition to being a reliable tool, ultrasonic testing is digital and easy to implement. The following are some of the advantages of ultrasonic bearing inspection.
Dynamic quality evaluation involves the use of a special fixture for measuring bearing deformations under low shaft speed and light radial load. The size of the fixture influences the value of the deformations. A fixture should be sized between the diameter of the sensor and the roller to ensure maximum precision. The outer deformation signal is more sensitive with a larger sensor diameter. A vibration-acceleration sensor is used for the contrast test.