China supplier Gfc-65X80 Type Coupling Shaft Flexible Spider Coupling

Product Description

GFC-65X80 Type Coupling Shaft Flexible Spider Coupling

 

GFC-65X80 Type Coupling Shaft Flexible Spider Coupling

model parameter

common bore diameter d1,d2

ΦD

L

LF

LP

d3

S

tightening screw torque(N.M)

GW-19X34

3,4,5,6,6.35,7,8

19

34

9.1

5.2

Φ9

1.8

1

GW-26X44.5

5,6,6.35,7,8,9,9.525,10,11,12,14

26

44.5

11.65

6.5

Φ12.5

2.6

1.5

GW-32X54

5,6,6.35,7,8,9,9.525,10,11,12,12.7,14,15,

32

54

12.25

9.5

Φ15

3.5

1.5

GW-34X58

5,6,6.35,7,8,9,9.525,10,11,12,12.7,14,15,16

34

58

14.25

9.5

Φ16

3.5

2.5

GW-39X65.5

8,9,9.525,10,11,12,12.7,14,15,16,17,18,19

39

65.5

14.9

11.2

Φ19.3

4.5

2.5

GW-44X65.5

8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20,22,24

44

65.5

14.9

11.2

Φ22.5

4.5

2.5

GW-50X80

8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20,22,24,25

50

80

20.6

12.2

Φ23

4.8

7

GW-56X83

10,12,14,15,16,17,18,19,20,22,24,25,28,30,32

56

83

19.75

13.5

Φ32.5

5.5

7

GW-68X97

12,14,15,16,17,18,19,20,22,24,25,28,30,32,35,38

68

97

23.35

15.7

Φ38.3

6.3

12

GW-82X128

17,18,19,20,22,24,25,28,30,32,35,38,40,42

82

128

30

22

Φ45.5

8

20

 

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spider coupling

Are there any industry standards or guidelines for designing and using spider couplings?

Yes, there are industry standards and guidelines that provide recommendations for designing, selecting, and using spider couplings in various mechanical systems. These standards help ensure the safe and reliable operation of spider couplings in industrial applications. Some of the relevant standards include:

  • AGMA 9002-B15: This American Gear Manufacturers Association (AGMA) standard provides guidelines for the selection and application of flexible couplings, including spider couplings. It covers topics such as coupling types, misalignment, torque capacity, and lubrication.
  • ISO 14691: This International Organization for Standardization (ISO) standard specifies methods for testing the torsional stiffness of flexible couplings, including spider couplings. It outlines procedures for determining the dynamic torsional stiffness and related parameters.
  • API 671: This American Petroleum Institute (API) standard provides guidelines for special-purpose couplings used in petroleum, chemical, and gas industry services. It covers design, manufacturing, inspection, and testing requirements for couplings, including those with elastomeric elements.

While these standards offer valuable insights, it’s important to note that specific industry requirements and applications may influence the design and selection of spider couplings. Manufacturers, engineers, and designers should also consider factors such as torque, misalignment compensation, environment, and system dynamics when applying these standards to their designs. Adhering to industry standards ensures that spider couplings are properly designed, installed, and used to meet the intended performance and safety criteria.

spider coupling

Can you explain the concept of torsional stiffness in relation to spider couplings?

Torsional stiffness is a crucial concept in the design and functionality of spider couplings. It refers to the ability of a coupling to resist rotational deformation (twisting) when subjected to a torque load. In other words, torsional stiffness measures how much a coupling can maintain its shape and transmit torque without excessive twisting or deformation.

In the context of spider couplings:

  • High Torsional Stiffness: A coupling with high torsional stiffness exhibits minimal angular deflection or twisting when torque is applied. This ensures accurate torque transmission and precise alignment between connected shafts. High torsional stiffness is especially important in applications that require accurate positioning and synchronization.
  • Low Torsional Stiffness: A coupling with low torsional stiffness allows for some degree of angular misalignment between shafts and can accommodate slight variations in torque load. This flexibility can be advantageous in applications where misalignment or shock absorption is necessary.

When selecting a spider coupling for a specific application, the torsional stiffness of the coupling needs to be considered based on the requirements of the machinery system. The choice between high and low torsional stiffness depends on factors such as the level of precision needed, the type of load, the degree of misalignment, and the overall performance objectives.

It’s important to note that while torsional stiffness is a key consideration, other factors like the material of the elastomeric spider, size of the coupling, and the type of spider profile also play a role in the coupling’s overall performance and behavior.

spider coupling

What is a spider coupling and how is it used in mechanical systems?

A spider coupling, also known as a jaw coupling or elastomeric coupling, is a type of flexible coupling used to connect two shafts while accommodating misalignment and transmitting torque between them. It consists of three main components: two hubs and an elastomeric spider or insert that fits between them.

The elastomeric spider is typically made of a flexible and durable material, such as rubber or polyurethane, with a series of lobes or fins that fit into matching grooves on the inner surfaces of the hubs. These lobes allow the spider to flex and absorb misalignments between the connected shafts while transmitting torque.

The spider coupling is used in mechanical systems to:

  • Transmit Torque: The primary function of a spider coupling is to transmit torque from one shaft to another. As the shafts rotate, the elastomeric spider deforms slightly, allowing the hubs to move relative to each other while maintaining torque transmission.
  • Accommodate Misalignment: Spider couplings can accommodate different types of misalignment, including angular, axial, and parallel misalignments, without causing excessive stress on the connected components. This flexibility helps prevent premature wear and failure.
  • Dampen Vibrations: The elastomeric material of the spider acts as a shock absorber, dampening vibrations and reducing the transmission of vibrations between the connected shafts. This can improve overall system performance and reduce wear on components.
  • Isolate Shock Loads: In applications with sudden changes in torque or shock loads, the spider coupling can absorb and dampen these shocks, protecting the connected components from damage.
  • Reduce Maintenance: Spider couplings require minimal maintenance due to their simple design and absence of lubrication points. This can lead to reduced downtime and maintenance costs in industrial machinery.
  • Provide Electric Insulation: Spider couplings can provide electrical isolation between the connected shafts, making them suitable for applications where electrical grounding needs to be minimized.

Spider couplings are commonly used in various machinery and equipment, such as pumps, compressors, conveyors, fans, and industrial machinery. They are particularly well-suited for applications that require flexibility, misalignment compensation, vibration reduction, and ease of maintenance.

China supplier Gfc-65X80 Type Coupling Shaft Flexible Spider Coupling  China supplier Gfc-65X80 Type Coupling Shaft Flexible Spider Coupling
editor by CX 2024-04-09

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