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China supplier Spare Parts Hydraulic Forklift Lift Cylinder Forklift Lifting Cylinders with high quality

Product Description

Product Title: Spare parts hydraulic forklift  lift cylinder forklift lifting cylinders 
Product Model: YY-DK938-51551-HL Forklift lift cylinder

 

Item Description
Product Name Forklift Lift cylinder
(HL2.5T, 2 level 3M right)
P/N YY-DK938-51551-HL                   
Applied Model For Heli forklift truck 2.5T
(Genuine forklift parts)  
Net Weight (kg) 26
Gross Weight (kg) 29
Qty per Carton 1
Carton Size (cm) 180*10*18

Forklift Lift Cylinder Features
 

  1. Forklift lift cylinder is made of high-quality alloy steel after being scraped and rolled through the inner hole;
  2. The piston rod of forklift lift cylinder is based on quenching and tempering, and the outer circle is coated with hard chrome, which has high rust and wear resistance;
  3. Forklift lift cylinder seals adopt international famous brands.

Specification of Forklift Lift Cylinder
 

Name Unit Parameter
Cylinders diameter (piston diameter) mm 40~160
Rod diameter (piston rod diameter) mm 20~120
Stroke mm 50~2500
Pressure MPa 16~25
Operating temperature ºC -40~120
Piston rod coating NSS neutral salt spray test time H ≥96

Types of Ball Bearings

There are several types of ball bearings: Double-row angular contact, Four-point contact, Self-aligning, and Ceramic hybrid. Here's a brief description of each. For more information, read our article about Double-row angular contact ball bearings. You'll be better informed about how they're made. Also, learn about how the cages that hold the balls in place are secured with rivets.

Double-row, angular-contact bearing

Double-row, angular-contact ball bearings are similar in their contact surfaces in 1 direction, and the 2 pairs of bearings are installed axially opposite to 1 another. This design allows them to support combined loads in axial and radial directions. These types of bearings are used for high-precision, high-speed applications. They can be used in everything from turbines to dentistry equipment. Double-row, angular-contact bearings are available at Grainger, as are single-row versions.
Double-row, angular-contact ball bearings are a popular option for applications where high precision and high speed are required. The design features of these bearings are ideal for applications with axial space restrictions. In contrast, they are smaller than 2 single-row angular-contact bearings and are available in steel, polyamide, or brass cages. Whether you need a cage for high speed or hard operating conditions is up to you. If you are unsure about the right cage for your application, contact Schaeffler.
Single-row angular-contact ball bearings are the most common type of bearings. Double-row bearings are also available with a shielded outer ring, which protects the balls inside the bearing from external contaminants. Because these double-row bearings are a good choice for applications requiring high performance, they are often the most affordable option. They offer similar performance as single-row bearings but are much more rigid.
Preloading is a key performance characteristic for double-row angular-contact ball bearings. Preloading can decrease the service life of double-row angular-contact ball bearings by up to 380 percent. Alternatively, you can preload double-row angular-contact ball bearings by placing spacers between their outer rings. Good double-row angular-contact bearing installation will increase working accuracy and bearing life.
bearing

Four-point contact ball bearing

The Four Point Contact Ball Bearing Market can be segmented into 3 types: 35 Degree, 45 Degree, and Other. The 35 Degree segment is expected to witness the fastest growth over the next few years, owing to its increased operational speed and competence in axial and radial axis load handling. Other types of four-point contact ball bearings include the Miniature and Deep Groove varieties. These are widely used in automobiles, aerospace, and other industries.
These bearings are designed for oil-free screw compressors, and they feature an outer-ring guided brass cage to reduce friction and increase running accuracy. In addition, they have lower maintenance costs compared to conventional bearings. However, they have a higher mean roughness value than their counterparts. High-speed operations require high-speed bearings that can withstand fast speed changes. This is because of the higher friction rate, which results from four-point contact.
The Four-Point Contact Ball Bearing is a highly versatile product, as it can handle radial, thrust, and moment loads. Because of this, it is often the first choice for slow to moderate-speed applications. This design also has a simplified assembly process, requiring only a single double-half-turn to install. It is the first choice of many automotive OEMs because it is extremely efficient. If you want a ball bearing with these benefits, you should contact a local bearing company.
The Four-Point Contact Ball Bearing Market will continue to grow despite a tough economy and volatile trade conditions. Demand for automotive and aerospace components is expected to grow alongside a variety of technological advancements. Meanwhile, demand for energy-efficient products will continue to increase with changes in trade policy, an imbalance in the supply-side ecosystem, and geopolitical risk. And while all these factors will continue to drive the market growth, a few challenges are worth considering.
The Four-Point Contact Bearing is designed with the same basic structure as its two-point counterpart. In a four-point contact ball bearing, 1 ball can have 4 distinct points of contact with 2 rings. Two of these contact points may be in diagonal position. The 2 remaining contact points change position and accommodate radial loads. Consequently, the Four-Point Contact Bearing is more flexible and robust than its two-point counterparts.
bearing

Self-aligning ball bearing

The self-aligning ball bearing is an incredibly useful tool in many industries. This type of bearing has a sealing lip that makes contact with a smooth chamfer on the inner ring. Because of the self-aligning nature of these bearings, they are not prone to misalignment. They can withstand temperatures ranging from -30°C to 120°C and should not be heated prior to installation.
A self-aligning ball bearing is an elastomer-based spherical-shaped bearing with 2 rows of rolling elements. These bearings can accommodate large radial loads, and their outer ring raceway is curved to provide a spherical effect. The inner ring, or cage, can be either cylindrical or conical. The inner diameter of a self-aligning ball bearing is normally cylindrical, but some are conical. They typically have 3 oil holes.
When choosing a self-aligning ball bearing, look for a model with a large enough bearing diameter to accommodate the shaft's bending. Self-aligning bearings may also be interchangeable with standard ball bearing assemblies. You can find individual values in manufacturer catalogues. These bearings are useful in limited applications, although they are not necessarily ideal for everything. For example, in applications where combined loads are the main concern, self-aligning ball bearings should only be used if the application requires minimal misalignment.
A self-aligning ball bearing is a highly-efficient, energy-efficient solution for a variety of applications. It is a simple, low-maintenance solution that makes your life easier. Its unique outer raceway allows restraining springs to absorb the deflection that is common in other bearings. The result is a cooler, smoother running vehicle. It also helps prevent misalignment, which makes it ideal for use in many applications.
The SKF self-aligning ball bearing is an excellent choice for applications involving heavy deflection of the shaft. They are the lowest-friction bearing available. Their steel plate reinforced seals prevent them from separating from the shaft during operation. They are also resistant to oil, making them the perfect solution for high-speed applications. In addition to this, they are designed to work in a wide range of temperatures.
bearing

Ceramic hybrid ball bearing

A hybrid ball bearing made from a combination of steel and ceramics is a good option for high-speed applications requiring electrical isolation. This combination offers an extended lifespan and minimal electrical corrosion or seizure risk. In addition, the hybrid ball bearings have less friction than steel bearings and can operate at low speeds. To learn more about this hybrid type of bearing, continue reading. We'll also discuss how it can help your application.
Full ceramic balls are generally harder than steel, but they do have lower density, meaning they're not subject to the same high centrifugal forces as steel balls. These benefits make ceramic ball bearings much more durable, with long lifespans. Both full and hybrid ceramic ball bearings are available from CZPT. Read on to learn more about each type. Here's a look at some of the benefits of each. You'll be pleasantly surprised.
A hybrid ball bearing consists of steel inner and outer rings and a ceramic ball. It can withstand high speeds and loads, but it's also designed to operate in extreme temperatures. This hybrid ball bearing also requires minimal lubrication and is suitable for a variety of applications. Because of its unique characteristics, hybrid bearings are lightweight and hard, and they spin faster than steel balls. But how do you choose the right 1 for your application?
A ceramic ball bearing is better than a steel 1 for many applications. Its greater speed capability and lower friction allow it to operate at higher speeds than steel balls. It is also less sensitive to fluctuations in lubrication conditions than steel balls. They also tend to be cheaper, so it makes sense to invest in one. It's worth your while. They last longer, and they don't require a run-in period.
A hybrid ball bearing is the best choice for electric spindles with high speed and heavy loads. A hybrid ceramic ball bearing has the advantage of low heat and high stiffness, and can operate at high speeds and loads. This thesis explores the dynamic characteristics of a hybrid ceramic ball bearing, including analysis calculations and experiment verification. The results provide reliable data and lay the foundation for professional spindle optimum design tests. It is a worthy addition to any machine shop.

China supplier Spare Parts Hydraulic Forklift Lift Cylinder Forklift Lifting Cylinders     with high qualityChina supplier Spare Parts Hydraulic Forklift Lift Cylinder Forklift Lifting Cylinders     with high quality

China Standard China Supplier Tsish Custom Design Small Piston Micro Bore Mini Rod Short Stroke Double Acting Hydraulic Cylinder for Scissor Lift Table Farm Tractor Loader with Great quality

Product Description

small piston double acting hydraulic cylinder lift farm tractor loader

 

Product Description

 

Eaton, parker, hercules, prince, cross type double acting hydraulic cylinder are used for Trailer, Agricultural Machinery, Garbage Truck, Landing Platform etc.

Tsingshi hydraulic Customers,  MAN, JAC, VOLVO, SHACMAN, DAF, JMC,  HUNO, CIMC, SINOTRUK, TATRA,BENS,XIHU (WEST LAKE) DIS.FENG,  FOTON,etc.

1.Piston rod electroplate hard chrome;
2.lighter and easier to maintenance double acting hydraulic cylinder;
3.High quality alloy seamless steel pipe have better mechanical properties;
4.The world famous brands of seals, such as Parker, Merkel, Hallite, Kaden, etc;
5.World-class processing technology ensures stable and reliable quality.

                  

NO ITEM double acting hydraulic cylinder DATA
1 Material Carbon Steel, Alloy Steel, 27SiMn,45#,20#,etc
2 Honed tube 40-300mm, Heat treatment, honing, rolling
3 Honed tube 30-280mm, plated nickel or hard Chrome or ceramic
4 Seal kit Parker, Merkel, Hallite, Kaden, etc
5 Coating Sandblasting, primer paint, middle paint, finish paint,
Color can paint according to customer demands.
6 Technology double acting hydraulic cylinder
7 Mounting type Pin-eye , flange, trunnion mount,ball mount, screw thread.
FC, FE, FEE, FSE,TPIN
8 Working medium Hydraulic Oil
9 Working pressure 16-20Mpa double acting hydraulic cylinder
10 Temperature range -50°C to +100°C

Detailed Photos


 

Company Profile

Tsingshi hydraulic is a hydraulic telescopic cylinder for dump tipper truck company which takes up with hydraulic design, R&D, manufacturer, sell and service hydraulic products-double acting hydraulic cylinder.

-double acting hydraulic cylinder Certification ISO9001 TS16949, etc;
-mini double acting hydraulic cylinder Export to North America, South America, Australia, South Korea, Southeast Asia, South Africa, Europe, Middle East, etc;
-ODM&OEM small double acting hydraulic cylinder according to client's requirements;
-Professional manufacturer& supplier of Hydraulic Cylinders over 30 years;
-The micro double acting hydraulic cylinder can be used for Dump Truck, Tipper Truck, Trailer, Agricultural Machinery, Garbage Truck,Landing Platform etc; We can produce the follow brand hydraulic cylinder. HYVA, BINOTTO, EDBRO, PENTA, MAILHOT, CUSTOM HOIST, MUNCIE, METARIS, HYDRAULEX GLOBAL, HYCO, PARKER, COMMERCIAL HYDRAULICS, MEILLER. WTJX, XT, JX, HCIC, ZX, SZ, SJ.

 

CUSTOMERS PHOTOS

 

QUALITY GUARANTEE

 

HIGH QUALITITY GUARANTEE-double acting hydraulic cylinder
-7*24 service.
-Competitive price.
-Professional technical team.
-Perfect after-sales service system.
-ODM&OEM Hydraulic Cylinder according to customer needs.
-Strong Hydraulic Cylinder production capacity to ensure fast delivery.
-Guarantee Quality. Every process must be inspected, all products need be tested before leaving the factory.

<hydraulic cylinder double acting Leak Test

<mini hydraulic cylinder Buffer Test

<small hydraulic cylinder Reliability Test

<micro hydraulic cylinder Full Stroke Test

<mini double acting hydraulic cylinder Operation Test

<micro double acting hydraulic cylinder Pressure Tight Test

<small double acting hydraulic cylinder Load Efficiency Test
<double action hydraulic cylinder Start-up Pressure Test
<double acting hydraulic cylinder Testing the Effect of Limit

SALES AND SERVICE

 



 

PRODUCTS SERIES

 

ONE WORLD ONE LOVE

 


 

 

How to Choose the Right Worm Shaft

You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
worm shaft

Concave shape

The concave shape of a worm's shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
worm shaft

Multiple-thread worms

Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm's pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r" varies proportionally with the worm's radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm's length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm's teeth. A specialized machine can cut the worm gears for maximum efficiency.

Double-thread worm gears

In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel's smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
worm shaft

Self-locking worm drive

A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery's Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you're thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm's threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.

China Standard China Supplier Tsish Custom Design Small Piston Micro Bore Mini Rod Short Stroke Double Acting Hydraulic Cylinder for Scissor Lift Table Farm Tractor Loader     with Great qualityChina Standard China Supplier Tsish Custom Design Small Piston Micro Bore Mini Rod Short Stroke Double Acting Hydraulic Cylinder for Scissor Lift Table Farm Tractor Loader     with Great quality