China OEM CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling

Product Description

Product Description

Coupling Deatails

Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.

Model parameter

ΦD

L

LF

LP

F

M

Tightening screw torque

(N.M)

GF-14X22

14

22

14.3

6.6

3.8

M 3

0.7

GF-20X25

20

25

16.7

8.6

4

M 3

0.7

GF-20X30

20

30

19.25

8.6

5.3

M 4

1.7

GF-25X30

25

30

20.82

11.6

5.6

M 4

1.7

GF-25X34

25

34

22.82

11.6

5.6

M 4

1.7

GF-30X35

30

35

23

11.5

5.75

M 4

1.7

GF-30X40

30

40

25.6

11.5

10

M 4

1.7

GF-40X50

40

50

32.1

14.5

10

M 5

4

GF-40X55

40

55

34.5

14.5

10

M 5

4

GF-40X66

40

66

40

14.5

12.75

M 5

4

GF-55X49

55

49

32

16.1

13.5

M 6

8.4

GF-55X78

55

78

46.4

16.1

15.5

M 6

8.4

GF-65X80

65

80

48.5

17.3

18.1

M 8

10.5

GF-65X90

65

90

53.5

17.3

18.1

M 8

10.5

 

Product Parameters

Detailed Photos

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flexible coupling

What are the torque and speed ratings for different sizes of flexible couplings?

The torque and speed ratings of flexible couplings can vary depending on their size, design, and material. Manufacturers typically provide specifications for each specific coupling model to ensure it is suitable for the intended application. Below are some general considerations regarding torque and speed ratings for different sizes of flexible couplings:

Torque Ratings:

The torque rating of a flexible coupling is the maximum amount of torque it can reliably transmit without experiencing excessive deformation or failure. It is essential to choose a coupling with a torque rating that exceeds the torque requirements of the application to ensure proper operation and avoid premature wear. Torque ratings are typically specified in Nm (Newton-meters) or lb-ft (pound-feet).

The torque capacity of a flexible coupling can increase with its size and design. Larger couplings, which have more substantial components and a larger flexible element, often have higher torque ratings compared to smaller couplings. Additionally, couplings with a more robust design, such as metallic couplings, generally have higher torque capacities compared to elastomeric couplings.

Speed Ratings:

The speed rating of a flexible coupling is the maximum rotational speed it can withstand while maintaining its structural integrity and performance. It is critical to select a coupling with a speed rating suitable for the application’s operating speed to avoid excessive wear and potential coupling failure. Speed ratings are typically specified in revolutions per minute (RPM).

Like torque ratings, the speed rating of a flexible coupling can be influenced by its size, design, and material. Larger couplings with more robust construction can often handle higher rotational speeds compared to smaller couplings. Metallic couplings, with their stiffer and more precise design, can also have higher speed ratings compared to elastomeric couplings.

Consulting Manufacturer Specifications:

To determine the torque and speed ratings for specific sizes of flexible couplings, it is essential to consult the manufacturer’s product specifications or technical datasheets. These documents provide detailed information about the coupling’s capabilities, including torque and speed ratings for each available size and model.

Application Considerations:

When selecting a flexible coupling, it is crucial to consider the torque and speed requirements of the specific application. Factors such as the power transmitted, the rotational speed of the machinery, and any transient or shock loads should be taken into account to ensure the selected coupling can handle the demands of the system.

Summary:

The torque and speed ratings of flexible couplings can vary based on their size, design, and material. Manufacturers provide specific torque and speed ratings for each coupling model to ensure their suitability for different applications. Consulting manufacturer specifications and considering the application’s requirements are vital in selecting the right flexible coupling that can handle the torque and speed demands of the mechanical system.

flexible coupling

How does a flexible coupling handle misalignment in large rotating equipment?

Flexible couplings are designed to accommodate various types of misalignment in large rotating equipment, ensuring smooth and efficient power transmission while minimizing stress on connected components. Here’s how flexible couplings handle different types of misalignment:

  • Angular Misalignment: Angular misalignment occurs when the axes of the two connected shafts are not collinear and form an angle. Flexible couplings can handle angular misalignment by allowing the coupling elements to flex and move slightly, thus accommodating the angle between the shafts. The flexible elements, often made of elastomeric materials or metallic membranes, can bend and twist to compensate for angular misalignment, ensuring that the coupling remains engaged and transfers torque effectively.
  • Parallel Misalignment: Parallel misalignment, also known as offset misalignment, happens when the two shafts are not perfectly aligned along their axes, resulting in a lateral shift. Flexible couplings can handle parallel misalignment through their ability to move radially, allowing the flexible elements to adjust and take up the offset. This capability prevents excessive side loads on the shafts and bearings, reducing wear and increasing the lifespan of the equipment.
  • Axial Misalignment: Axial misalignment occurs when there is a linear displacement of one shaft relative to the other, either toward or away from the other shaft. Some flexible couplings, such as certain types of flexible disc couplings, can accommodate a limited amount of axial misalignment. However, for large axial movement, other types of couplings or special designs may be required.

The flexibility of the coupling elements allows them to act as a buffer between the shafts, dampening shocks, vibrations, and torsional forces caused by misalignment or other dynamic loads. This helps protect the connected equipment from damage and enhances the overall performance and reliability of the rotating system.

In large rotating equipment, where misalignment is more common due to thermal expansion, foundation settling, or other factors, flexible couplings play a critical role in maintaining smooth operation and reducing stress on the machinery. However, it is essential to choose the appropriate type of flexible coupling based on the specific requirements of the application and to regularly inspect and maintain the coupling to ensure optimal performance and longevity.

flexible coupling

What materials are commonly used in manufacturing flexible couplings?

Flexible couplings are manufactured using a variety of materials, each offering different properties and characteristics suited for specific applications. The choice of material depends on factors such as the application’s requirements, environmental conditions, torque capacity, and desired flexibility. Here are some of the commonly used materials in manufacturing flexible couplings:

  • Steel: Steel is a widely used material in flexible couplings due to its strength, durability, and excellent torque transmission capabilities. Steel couplings are suitable for heavy-duty industrial applications with high torque requirements and harsh operating conditions.
  • Stainless Steel: Stainless steel is often used to manufacture flexible couplings in environments with high corrosion potential. Stainless steel couplings offer excellent resistance to rust and other corrosive elements, making them ideal for marine, food processing, and chemical industry applications.
  • Aluminum: Aluminum couplings are lightweight, have low inertia, and provide excellent balance. They are commonly used in applications where reducing weight is critical, such as aerospace and robotics.
  • Brass: Brass couplings are known for their electrical conductivity and are used in applications where electrical grounding or electrical isolation is required, such as in certain industrial machinery or electronics equipment.
  • Cast Iron: Cast iron couplings offer good strength and durability and are often used in industrial applications where resistance to shock loads and vibrations is necessary.
  • Plastic/Polymer: Some flexible couplings use high-performance polymers or plastics, such as polyurethane or nylon. These materials provide good flexibility, low friction, and resistance to chemicals. Plastic couplings are suitable for applications where corrosion resistance and lightweight are essential.
  • Elastomers: Elastomers are used as the flexible elements in many flexible couplings. Materials like natural rubber, neoprene, or urethane are commonly used as elastomer spider elements, providing flexibility and vibration damping properties.

The selection of the coupling material depends on the specific needs of the application. For instance, high-performance and heavy-duty applications may require steel or stainless steel couplings for their robustness, while applications where weight reduction is crucial may benefit from aluminum or polymer couplings. Additionally, the choice of material is influenced by factors such as temperature range, chemical exposure, and electrical requirements in the application’s operating environment.

Manufacturers typically provide material specifications for their couplings, helping users make informed decisions based on the specific demands of their applications.

China OEM CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling  China OEM CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
editor by CX 2024-05-13

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