China Hot selling Gn Series Coupling Rigid Step Motor Flexible Shaft Coupling

Product Description

GN series Coupling Rigid Step Motor Flexible shaft Coupling 

 

GN series Coupling Rigid Step Motor Flexible shaft Coupling 

model parameter

common bore diameter d1,d2

ΦD

L

F

M

tightening screw torque
(N.M)

GNC-16×16

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

16

16

3.75

M2.5

1

GNC-16×24

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

16

24

3.75

M2.5

1

GNC-20×20

4,5,6,6.35,7,8,9,9.525,10

20

20

3.75

M2.5

1

GNC-20×30

4,5,6,6.35,7,8,9,9.525,10

20

30

3.75

M2.5

1

GNC-25×25

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

25

25

6

M3

1.5

GNC-25×36

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

25

36

6

M3

1.5

GNC-28.5×38

6,6.35,7,8,9,9.525,10,12,12.7,14

28.5

38

7.8

M4

2.5

GNC-32×32

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

32

32

7

M4

2.5

GNC-32×41

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

32

41

7.75

M4

2.5

GNC-40×44

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

40

44

10.5

M5

7

GNC-40×52

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

40

52

10.5

M5

7

GNC-50×55

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

50

55

13

M6

12

GNC-50×66

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

50

66

16

M6

12

GNC-63×71

10,11,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32,35

63

71

16.5

M6

12

model parameter

Rated torque(N.m)

maximum speed

(rpm)

weight

(g)

GNC-16×16

5

1000

7

GNC-16×24

5

9400

13

GNC-20×20

10

7500

15

GNC-20×30

10

7500

25

GNC-25×25

12

6000

29

GNC-25×36

12

6000

43

GNC-28.5×38

14

5500

48

GNC-32×32

15

4700

55

GNC-32×41

15

4700

65

GNC-40×44

19

4000

123

GNC-40×52

19

4000

150

GNC-50×55

45

4000

240

GNC-50×66

45

4000

280

 

 

 

320

 

 

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rigid shaft coupling

Industry Standards and Certifications for Rigid Shaft Couplings

Yes, there are industry standards and certifications that apply to rigid shaft couplings to ensure their quality, performance, and safety. Some of the common standards and certifications include:

  • ISO 14691: This International Organization for Standardization (ISO) standard specifies the requirements and dimensions for metallic straight-toothed rigid couplings with external clamping for shaft connections.
  • ANSI/AGMA 9002-C16: The American Gear Manufacturers Association (AGMA) standard covers measurement methods for evaluating the torsional stiffness of rigid couplings.
  • API 671: This American Petroleum Institute (API) standard applies to special-purpose couplings used in petroleum, chemical, and gas industry services, ensuring reliable operation and safety.
  • DNV GL: Rigid couplings used in marine and offshore applications may require certification from DNV GL, an international accredited registrar and classification society.
  • ATEX: For couplings used in explosive atmospheres, compliance with the ATEX directive is crucial to ensure that the coupling does not become a source of ignition.

When selecting a rigid shaft coupling, it is essential to look for products that comply with these relevant industry standards and certifications. Meeting these standards guarantees that the couplings have undergone rigorous testing and adhere to recognized quality and safety guidelines.

rigid shaft coupling

What design considerations are crucial when selecting a rigid shaft coupling for a specific application?

Selecting the right rigid shaft coupling for a specific application involves careful consideration of several design factors to ensure optimal performance and reliability. Here are crucial design considerations to keep in mind:

  • Torque Transmission: Determine the maximum torque that the coupling needs to transmit. The coupling’s torque rating should match or exceed the application’s requirements to prevent overloading.
  • Shaft Size and Type: Choose a coupling that accommodates the shaft sizes and types of the connected equipment. The coupling’s bore sizes should match the shaft diameters for a secure fit.
  • Alignment Capability: Consider the alignment accuracy needed for your application. Rigid couplings offer excellent alignment, but some applications might require higher precision than others.
  • Space Constraints: Evaluate the available space around the coupling area. Some couplings might have a compact design suitable for tight spaces, while others might require more clearance.
  • Environmental Conditions: Assess the operating environment for factors such as temperature, humidity, and presence of corrosive substances. Choose a coupling with appropriate materials and coatings for durability in the given conditions.
  • Shaft Misalignment: Determine the potential misalignments the coupling will need to accommodate. While rigid couplings have limited flexibility, they can handle small misalignments. Consider whether angular or axial misalignments are more significant in your application.
  • Operating Speed: Evaluate the rotational speed of the machinery. Some couplings have speed limits, and exceeding these limits can lead to vibrations and premature wear.
  • Dynamic Loads: Consider any dynamic loads, shocks, or impacts that the coupling might experience during operation. Choose a coupling that can handle these loads without failure.
  • Torsional Rigidity: High torsional rigidity ensures efficient torque transmission and minimizes torsional vibrations. Evaluate whether the coupling’s stiffness aligns with your application’s requirements.
  • Attachment Method: Determine how the coupling will be attached to the shafts. Different couplings use set screws, clamps, keyways, or other attachment methods. Select a method that suits your application’s needs.
  • Cost Considerations: Balance the desired features with your budget. While more advanced couplings might offer additional benefits, they could also be more expensive.

It’s important to collaborate with coupling manufacturers, engineers, or experts to ensure the selected coupling aligns with the specific demands of your application. Coupling suppliers can provide valuable guidance based on their product knowledge and experience with various applications.

By carefully evaluating these design considerations, you can select a rigid shaft coupling that delivers reliable performance, reduces maintenance needs, and contributes to the overall efficiency of your machinery.

rigid shaft coupling

What are the Materials Commonly Used to Manufacture Rigid Shaft Couplings, and How Do They Impact Performance?

Rigid shaft couplings are typically made from a variety of materials, and the choice of material can significantly impact the performance of the coupling in specific applications. Some common materials used in manufacturing rigid shaft couplings include:

  • Steel: Steel is one of the most commonly used materials for rigid shaft couplings. It offers excellent strength and durability, making it suitable for high-torque and heavy-duty applications. Steel couplings can withstand significant stresses and provide reliable torque transmission.
  • Stainless Steel: Stainless steel couplings offer the same benefits as regular steel couplings but with the added advantage of corrosion resistance. They are commonly used in applications where the coupling may be exposed to harsh environments or moisture.
  • Aluminum: Aluminum couplings are lightweight and have good corrosion resistance. They are often used in applications where weight reduction is essential, such as in aerospace and automotive industries.
  • Brass: Brass couplings are known for their excellent machinability and corrosion resistance. They are commonly used in applications where electrical conductivity is required.
  • Cast Iron: Cast iron couplings are robust and offer good resistance to wear and tear. They are commonly used in industrial machinery and equipment.

The choice of material depends on various factors, including the application’s operating conditions, such as torque requirements, temperature, and environmental conditions. For example, in high-torque applications, steel or stainless steel couplings are often preferred due to their high strength. On the other hand, aluminum couplings are favored in applications where weight reduction is critical.

It is essential to consider the specific needs of the application and the coupling’s material properties to ensure optimal performance, longevity, and reliability of the rigid shaft coupling.

China Hot selling Gn Series Coupling Rigid Step Motor Flexible Shaft Coupling  China Hot selling Gn Series Coupling Rigid Step Motor Flexible Shaft Coupling
editor by CX 2024-05-13

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