China Standard 20mpa Double Acting Welded Hydraulic Cylinder with Hot selling

Product Description

STHangZhouRD FEATURES: 

Double-acting applications;
Standard color: Black;
All Seals: Manufactured to EU specification;
Ports: SAE(NPTF port or other can be available);
100% hydro-pressure test;
Rod surface treatment: Superior quality chrome plated;
Standard: B type piston(optional: A type piston);
Apply LOCTITE to rod end thread.

 

SPECIFICATION(mm)

MODEL

D

AL

S

STROKE

K

CM

E

L

L1

H1

F

H

V

W.T.(KG)

CYEU0160050

35

25

16

50

160

31

1/4″

23

22

35

12.1

25

25

1.00

CYEU0165710

35

25

16

100

210

31

1/4″

23

22

35

12.1

25

25

1.20

CYEU0160150

35

25

16

150

260

31

1/4″

23

22

35

12.1

25

25

1.40

CYEU0165710

35

25

16

200

310

31

1/4″

23

22

35

12.1

25

25

1.70

 

CYEU5710050

42

32

20

50

205

51

1/4″

33

35

40

16.2

30

35

1.70

CYEU5715710

42

32

20

100

255

51

1/4″

33

35

40

16.2

30

35

2.10

CYEU5710150

42

32

20

150

305

51

1/4″

33

35

40

16.2

30

35

2.40

CYEU5715710

42

32

20

200

355

51

1/4″

33

35

40

16.2

30

35

2.80

CYEU5715710

42

32

20

250

405

51

1/4″

33

35

40

16.2

30

35

3.10

CYEU5710300

42

32

20

300

455

51

1/4″

33

35

40

16.2

30

35

3.50

CYEU5710400

42

32

20

400

555

51

1/4″

33

35

40

16.2

30

35

4.20

CYEU5710500

42

32

20

500

655

51

1/4″

33

35

40

16.2

30

35

4.80

 

CYEU1255710

50

40

25

100

270

42

3/8″

40

45

50

20.5

40

40

3.23

CYEU1250150

50

40

25

150

320

42

3/8″

40

45

50

20.5

40

40

3.71

CYEU1255710

50

40

25

200

370

42

3/8″

40

45

50

20.5

40

40

4.16

CYEU1255710

50

40

25

250

420

42

3/8″

40

45

50

20.5

40

40

4.66

CYEU1250300

50

40

25

300

470

42

3/8″

40

45

50

20.5

40

40

5.12

CYEU1250400

50

40

25

400

570

42

3/8″

40

45

50

20.5

40

40

6.05

CYEU1250500

50

40

25

500

670

42

3/8″

40

45

50

20.5

40

40

6.99

CYEU1250600

50

40

25

600

770

42

3/8″

40

45

50

20.5

40

40

7.95

CYEU1250700

50

40

25

700

870

42

3/8″

40

45

50

20.5

40

40

8.87

CYEU1250800

50

40

25

800

970

42

3/8″

40

45

50

20.5

40

40

9.82

 

CYEU235710

60

50

30

100

300

47

3/8″

43

58

60

25.5

50

45

5.11

CYEU2300150

60

50

30

150

350

47

3/8″

43

58

60

25.5

50

45

5.74

CYEU235710

60

50

30

200

400

47

3/8″

43

58

60

25.5

50

45

6.33

CYEU2305710

60

50

30

250

450

47

3/8″

43

58

60

25.5

50

45

6.97

CYEU2300300

60

50

30

300

500

47

3/8″

43

58

60

25.5

50

45

7.60

CYEU2300400

60

50

30

400

600

47

3/8″

43

58

60

25.5

50

45

8.83

CYEU2300500

60

50

30

500

700

47

3/8″

43

58

60

25.5

50

45

10.05

CYEU2300600

60

50

30

600

800

47

3/8″

43

58

60

25.5

50

45

11.27

CYEU2300700

60

50

30

700

900

47

3/8″

43

58

60

25.5

50

45

12.40

CYEU2300800

60

50

30

800

1000

47

3/8″

43

58

60

25.5

50

45

13.73

 

CYEU335710

70

60

30

100

300

48

3/8″

50

58

70

25.5

50

45

6.30

CYEU3300150

70

60

30

150

350

48

3/8″

50

58

70

25.5

50

45

6.97

CYEU335710

70

60

30

200

400

48

3/8″

50

58

70

25.5

50

45

7.67

CYEU3305710

70

60

30

250

450

48

3/8″

50

58

70

25.5

50

45

8.31

CYEU3300300

70

60

30

300

500

48

3/8″

50

58

70

25.5

50

45

8.97

CYEU330 0571

70

60

30

350

550

48

3/8″

50

58

70

25.5

50

45

9.66

CYEU3300400

70

60

30

400

600

48

3/8″

50

58

70

25.5

50

45

10.36

CYEU3300450

70

60

30

450

650

48

3/8″

50

58

70

25.5

50

45

10.99

CYEU3300500

70

60

30

500

700

48

3/8″

50

58

70

25.5

50

45

11.71

CYEU3300600

70

60

30

600

800

48

3/8″

50

58

70

25.5

50

45

13.10

CYEU3300700

70

60

30

700

900

48

3/8″

50

58

70

25.5

50

45

14.35

 

CYEU3355710

70

60

35

200

400

48

3/8″

50

58

70

25.5

50

45

8.00

CYEU3350300

70

60

35

300

500

48

3/8″

50

58

70

25.5

50

45

9.55

CYEU3350400

70

60

35

400

600

48

3/8″

50

58

70

25.5

50

45

11.10

CYEU3350500

70

60

35

500

700

48

3/8″

50

58

70

25.5

50

45

12.65

CYEU3350600

70

60

35

600

800

48

3/8″

50

58

70

25.5

50

45

14.20

CYEU3350700

70

60

35

700

900

48

3/8″

50

58

70

25.5

50

45

15.75

 

CYEU445710

80

70

40

200

410

48

3/8″

50

58

80

30.5

50

55

10.45

CYEU4405710

80

70

40

250

460

48

3/8″

50

58

80

30.5

50

55

11.37

CYEU4400300

80

70

40

300

510

48

3/8″

50

58

80

30.5

50

55

12.31

CYEU440 0571

80

70

40

350

560

48

3/8″

50

58

80

30.5

50

55

13.30

CYEU4400400

80

70

40

400

610

48

3/8″

50

58

80

30.5

50

55

14.22

CYEU4400450

80

70

40

450

660

48

3/8″

50

58

80

30.5

50

55

15.20

CYEU4400500

80

70

40

500

710

48

3/8″

50

58

80

30.5

50

55

16.11

CYEU4400600

80

70

40

600

810

48

3/8″

50

58

80

30.5

50

55

18.12

CYEU4400700

80

70

40

700

910

48

3/8″

50

58

80

30.5

50

55

19.94

 

CYEU545710

92

80

40

200

410

38

3/8″

60

58

90

30.5

50

55

13.26

CYEU5405710

92

80

40

250

460

38

3/8″

60

58

90

30.5

50

55

14.46

CYEU5400300

92

80

40

300

510

38

3/8″

60

58

90

30.5

50

55

15.54

CYEU540 0571

92

80

40

350

560

38

3/8″

60

58

90

30.5

50

55

16.72

CYEU5400400

92

80

40

400

610

38

3/8″

60

58

90

30.5

50

55

18.00

CYEU5400500

92

80

40

500

710

38

3/8″

60

58

90

30.5

50

55

20.00

CYEU5400600

92

80

40

600

810

38

3/8″

60

58

90

30.5

50

55

22.00

CYEU5400700

92

80

40

700

910

38

3/8″

60

58

90

30.5

50

55

24.50

 

CYEU655710

115

100

50

200

425

46

3/8″

82

50

115

30.5

65

70

26.00

CYEU6500300

115

100

50

300

525

46

3/8″

82

50

115

30.5

65

70

30.00

CYEU6500400

115

100

50

400

625

46

3/8″

82

50

115

30.5

65

70

34.00

CYEU6500500

115

100

50

500

725

46

3/8″

82

50

115

30.5

65

70

38.00

CYEU6500700

115

100

50

700

925

46

3/8″

82

50

115

30.5

65

70

46.00

 

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.
screwshaft

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.
screwshaft

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.
screwshaft

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 Standard 20mpa Double Acting Welded Hydraulic Cylinder     with Hot sellingChina Standard 20mpa Double Acting Welded Hydraulic Cylinder     with Hot selling

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