China Standard Hydraulic Actuator -Hydraulic Telescopic Cylinder for Truck near me shop

Product Description

Hydraulic Actuator -Hydraulic Telescopic Cylinder for Truck

1. Company Information
  Found 1995,w are 1 of the biggest hydraulic cylinder manufacturer in China, specialized in design, R & D and manufacturing of hydraulic machinery products etc, with its annual production capaciy of 2 square meters.There are 700 sets of mnufacturing equipment .

Product Description
  2. hydraulic telescopic cylinder for dump truck drawing and parameter 

FC type

ITEM  MODEL NO. # of Stages Largest Moving Stage Diameter(mm) stroke(mm) the largest sleeve OD(mm) mounting distance(mm) 
1  WTHY FC-3-110-3205 3 110 3205 168 343
2   WTHY FC-3-110-3460 3 110 3460 168 343
3  WTHY FC-3-129-2980 3 129 2980 218 343
4  WTHY FC-3-129-3205 3 129 3205 218 343
5  WTHY FC-3-129-3460 3 129 3460 218 343
6  WTHY FC-3-129-3880 3 129 3880 218 343
7   WTHY FC-3-129-4270 3 129 4270 218 343
8   WTHY FC-4-129-4280 4 129 4280 218 343
9   WTHY FC-4-129-4280 4 129 4280 218 343
10   WTHY FC-4-129-5180 4 129 5180 218 343
11   WTHY FC-3-149-4270 3 149 4270 244 343
12   WTHY FC-4-149-3680 4 149 3680 218 343
13   WTHY FC-4-149-3980 4 149 3980 218 343
14   WTHY FC-4-149-4280 4 149 4280 244 343
15   WTHY FC-4-149-4620 4 149 4620 244 343
16   WTHY FC-4-149-4940 4 149 4940 244 343
17  WTHY FC-4-149-5180 4 149 5180 244 343
18   WTHY FC-4-149-5460 4 149 5460 244 343
19   WTHY FC-4-169-4280 4 169 4280 244 343
20   WTHY FC-4-169-4620 4 169 4620 244 343
21   WTHY FC-4-169-4940 4 169 4940 244 343
22   WTHY FC-4-169-5180 4 169 5180 244 343
23  WTHY FC-4-169-5460 4 169 5460 244 343
24  WTHY FC-5-169-5355 5 169 5355 244 343
25  WTHY FC-5-169-5780 5 169 5780 244 343
26  WTHY FC-5-169-6180 5 169 6180 244 343
27  WTHY FC-5-169-6830 5 169 6830 244 343
28  WTHY FC-5-169-7130 5 169 7130 244 343
29  WTHY FC-5-169-7630 5 169 7630 244 343
30  WTHY FC-5-169-8130 5 169 8130 244 343
31  WTHY FC-5-169-9030 5 169 9030 244 343
32  WTHY FC-5-169-9530 5 169 9530 244 343
33  WTHY FC-4-191-5460 4 191 5460 274 343
34  WTHY FC-5-191-5780 5 191 5780 274 343
35  WTHY FC-5-191-6180 5 191 6180 274 343
36  WTHY FC-5-191-7130 5 191 7130 274 343
37  WTHY FC-5-191-7630 5 191 7630 274 343
38  WTHY FC-5-191-8130 5 191 8130 274 343
39  WTHY FC-5-191-9030 5 191 9030 274 343
40  WTHY FC-5-191-9530 5 191 9530 274 343
41  WTHY FC-5-214-7610 5 214 7610 274 343
42  WTHY FC-5-214-9030 5 214 9030 274 343

FE type

ITEM MODLE NO. # of Stages Largest Moving Stage Diameter(mm) stroke(mm) mounting distance(mm) 
1 WTHY FE-3-110-3205 3 110 3205 1449
2 WTHY FE-3-110-3460 3 110 3460 1609
3 WTHY FE-3-129-3460 3 129 3460 1449
4 WTHY FE-3-129-3880 3 129 3880 1609
5 WTHY FE-3-149-2900 3 149 2900 1320
6 WTHY FE-3-149-3200 3 149 3200 1420
7 WTHY FE-3-149-3500 3 149 3500 1520
8 WTHY FE-3-149-3880 3 149 3880 1644
9 WTHY FE-4-149-4280 4 149 4280 1450
10 WTHY FE-4-149-4940 4 149 4940 1529
11 WTHY FE-4-149-4620 4 149 4620 1484
12 WTHY FE-4-169-4280 4 169 4280 1394
13 WTHY FE-4-169-4450 4 169 4450 1437
14 WTHY FE-4-169-4620 4 169 4620 1479
15 WTHY FE-4-169-4940 4 169 4940 1529
16 WTHY FE-4-169-5000 4 169 5000 1574
17 WTHY FE-4-169-5180 4 169 5180 1604
18 WTHY FE-5-169-5355 5 169 5355 1394
19 WTHY FE-5-169-5780 5 169 5780 1559
20 WTHY FE-5-169-6180 5 169 6180 1527
21 WTHY FE-5-169-6480 5 169 6480 1604
22 WTHY FE-5-169-6830 5 169 6830 1674
23 WTHY FE-5-169-7130 5 169 7130 1769
24 WTHY FE-5-191-6180 5 191 6180 1527
25 WTHY FE-5-191-9030 5 191 9030 2177
26 WTHY FE-6-191-7420 6 191 7420 1677
27 WTHY FE-5-214-6830 5 214 6830 1662
28 WTHY FE-5-214-7130 5 214 7130 1722

3. hydraulic telescopic cylinder for dump truck produce line
700 sets manufacturing equipment,such as cold drawing production line ,heat treatment production line ,surface treatment production line,testing equipment,various digital-control machining equipment,gantry style linear electroplating production line.

4. hydraulic telescopic cylinder for dump truck quality guarantee system
Program before Delivery
1). Trial Operation Test
2). Start-up Pressure Test
3). Pressure-Tight Test
4). Leak Test
5). Full Stroke Test
6). Buffer Test
7). Testing the Effect of Limit
8). Load Efficiency Test
9). Reliability Test
Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test.
  Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.

5. After-service
    1).Pre-sale service: Keep communicating with the truck manufacturers , including selection of product model , design of hydraulic system,   test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers .
    2).The sale service: Provide training and technical support for users.
    3).After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need. 
    4). 24 hours telephone service hotline.

6.Exhibition and partner

7. FAQ

Q1:What’s the brand name of your products ?
A:Generally,we use our own brand “WTJX”,OEM is also available as required.
Q2:Hydraulic cylinder internal leakage?
A: There are 3 main reasons causing internal leakage :Overload,polishing is not well controlled,bad seal kits.As is known to all,vehicles in China are often overload,our products all designed to  bear the overload power.We have numerical control machine  to assure the polish processing .And we use the imported seals to meet customers’ demands.
Q3:Does your piston rod get ruptured easily?
A: Hard chrome plating quenched and tempered 45# steel for piston rod to assure sufficient hardness and toughness.
Q4:Is your design reasonable? What about your product safe coefficient?
A:We have R&D team with abundant design experience. We also established production, education, and research cooperation with universities . Rest assured.
Q5:What about the quality feedback of your products?
A: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line , so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder. !!!
WE HAVE NEVER RECEIVED EVEN ONCE QUALITY COMPLAINT FOR MANY YEARS OF INTERNATIONAL TRADE.
Q6:Is the sample free?
A:Yes.In our acceptable range, we can offer a sample by charging freight. And we will return the fee after you place bulk order.
Q7:How about the delivery time?
A: Over 700 sets advanced equipments to meet customer’s large demand in short delivery time.Generally ,it’s 20 days.
Q8:What ‘s the after-service?
A:If the quality can’t meet your requirement ,we will pay all your lost and offer technical support to solve your problem!!!
 

Screw Shaft Types

If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.

Machined screw shafts

Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find 1 to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.
screwshaft

Ball screw nuts

If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the 2 ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These 2 features ensure that the ball and the nut meet at 2 points. You’ll be amazed by the results of the work of these ball screw nuts.
screwshaft

Threaded shank

Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress 2 pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as 1 with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is 8 mm in diameter but has a thread pitch of 1 mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.

Round head

A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to 1 mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
screwshaft

Self-locking mechanism

A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.

China Standard Hydraulic Actuator -Hydraulic Telescopic Cylinder for Truck     near me shop China Standard Hydraulic Actuator -Hydraulic Telescopic Cylinder for Truck     near me shop