China OEM Aluminum Flexible Motor Shaft Jaw Coupler Power Transmission Shaft Coupling Spider Insert Plum Coupling Jm16 Jm16c D16mm L22mm

Product Description

Product Description

Flexible couplings are used to transmit torque from 1 shaft to another when the 2 shafts are slightly misaligned. It can accommodate varying degrees of misalignment up to 3°. In addition to allowing for misalignment, it can also be used for vibration damping or noise reduction.
Encoder couplings, flexible coupling, couplings working with Encoder & all kinds of motors (servo motor, DC motor, AC motor, gear motors).

MODEL

OD(mm)

Length(mm)

Bore range(mm)

JM14

14

22

3-7

JM14C

14

22

3-6

JM16

16

22

3-7

JM16C

16

22

3-7

JM20

20

30

4-10

JM20C

20

30

4-10

JM25

25

34

4-12

JM25C

25

34

4-12

JM30

30

35

5-16

JM30C

30

35

5-16

JM40

40

66

8-24

JM40C

40

66

8-24

JM55

55

78

10-28

JM55C

55

78

10-28

JM65

65

90

12-38

JM65C

65

90

12-38

JM80

80

114

16-45

JM80C

80

114

16-45

JM95

95

126

20-55

JM95C

95

126

20-55

JM105

105

140

20-62

JM105C

105

140

20-62

JM120

120

160

20-74

JM120C

120

160

20-74

JM135

135

185

22-80

JM135C

135

185

22-80

“C” means clamp type jaw coupling   Without “C” means setscrew type jaw coupling

application

 

Packaging & Shipping

Company Profile

Related product

jaw coupling

Contribution of Jaw Coupling to Equipment Longevity

Jaw couplings play a vital role in enhancing the longevity and reliability of connected equipment in mechanical power transmission systems. The design and features of jaw couplings contribute to minimizing wear, reducing downtime, and protecting the equipment from harmful forces. Here’s how jaw couplings contribute to equipment longevity:

  • Shock Absorption: Jaw couplings have elastomeric spider inserts that act as shock absorbers, dampening vibrations and impact loads. This helps in protecting the connected equipment from sudden shocks and extends its operational life.
  • Misalignment Compensation: In real-world applications, shaft misalignment is common due to thermal expansion, machine settling, or manufacturing tolerances. Jaw couplings can tolerate a certain degree of misalignment, reducing stress on bearings, seals, and other components of the equipment.
  • Overload Protection: During overloads or torque spikes, jaw couplings can flex slightly, absorbing excess torque and preventing damage to the equipment. This overload protection feature prevents catastrophic failures and extends the life of mechanical components.
  • Backlash Reduction: Excessive backlash in a power transmission system can lead to inaccuracies in motion control and wear on components. Jaw couplings are designed to provide low backlash, enhancing precision and minimizing wear on gears and other sensitive parts.
  • Resilience to Contaminants: Jaw couplings often feature enclosed designs that protect the elastomeric spider from contaminants like dust, dirt, and moisture. This helps in maintaining the coupling’s performance and preventing premature failure due to external elements.
  • Low Maintenance: Compared to some other types of couplings, jaw couplings require minimal maintenance. Regular lubrication and inspection of the coupling can significantly extend its life and keep the connected equipment running smoothly.
  • Easy Installation: The simple and compact design of jaw couplings makes them easy to install and integrate into various mechanical systems. Proper installation ensures efficient power transmission and reduces the chances of component damage.

Overall, jaw couplings contribute to equipment longevity by providing protection against shock loads, compensating for misalignment, preventing overloads, reducing backlash, and offering resilience to environmental factors. By selecting the right jaw coupling for the application and following proper maintenance practices, users can maximize the lifespan of connected equipment and improve the overall efficiency of their mechanical systems.

jaw coupling

What are the common installation mistakes to avoid when using jaw couplings?

Proper installation of jaw couplings is crucial to ensure their reliable and efficient operation. Avoiding common installation mistakes can prevent premature wear, misalignment, and potential equipment damage. Here are some of the most common installation mistakes to avoid when using jaw couplings:

  1. Incorrect Coupling Size: Using the wrong size of jaw coupling for the application can lead to various issues. Undersized couplings may not handle the required torque, leading to early failure, while oversized couplings may result in increased rotational inertia and decreased system performance. Always ensure that the selected coupling is appropriate for the torque and power requirements of the equipment.
  2. Misalignment: Improper alignment of the shafts during coupling installation can cause excessive forces and premature wear on the coupling components. Angular, parallel, and axial misalignments should be minimized and kept within the manufacturer’s recommended tolerances. Consider using alignment tools and techniques to achieve accurate shaft alignment.
  3. Over-Tightening: Applying excessive torque when tightening the coupling elements can lead to deformation of the elastomer spider or damage to the hubs. Over-tightening can also increase friction and cause premature wear. Follow the manufacturer’s specified torque values during installation to ensure proper clamping without causing damage.
  4. Lack of Lubrication: Some jaw couplings require lubrication to reduce friction and wear. Neglecting to lubricate the coupling elements can lead to increased friction, higher operating temperatures, and reduced coupling life. Follow the manufacturer’s guidelines regarding lubrication intervals and types of lubricants to use.
  5. Failure to Inspect Components: Before installation, carefully inspect all coupling components for any signs of damage, wear, or defects. Using a damaged or worn-out elastomer spider or other components can compromise the coupling’s performance and reliability. Replace any worn or damaged parts before installing the coupling.
  6. Improper Shaft End Preparation: Ensure that the shaft ends are clean, smooth, and free from burrs or imperfections before installing the coupling. Rough or uneven shaft surfaces can lead to misalignment and reduce coupling performance. Properly clean and prepare the shaft ends to ensure a secure and accurate fit.
  7. Not Following Manufacturer’s Guidelines: Each jaw coupling has specific installation instructions provided by the manufacturer. Failure to follow these guidelines can result in coupling failure or reduced performance. Always refer to the manufacturer’s installation manual and recommendations for proper installation procedures.

By avoiding these common installation mistakes, users can maximize the performance and longevity of jaw couplings in their applications. Proper installation ensures that the coupling operates efficiently, transmits power effectively, and reduces the risk of unexpected failures or downtime.

jaw coupling

Handling Misalignment with Jaw Couplings

Jaw couplings are designed to handle certain degrees of misalignment between shafts. They are flexible couplings that can accommodate both angular and radial misalignment to some extent. The elastomeric element in the jaw coupling provides the necessary flexibility to compensate for misalignment while transmitting torque between the shafts.

Angular Misalignment: Jaw couplings can handle small amounts of angular misalignment, typically up to a few degrees. However, excessive angular misalignment should be avoided as it can lead to increased wear on the coupling and connected equipment.

Radial Misalignment: Similar to angular misalignment, jaw couplings can also tolerate small amounts of radial misalignment. The elastomeric material allows the coupling to flex and adjust to minor shaft misalignments.

It’s important to note that while jaw couplings are suitable for handling some degree of misalignment, the actual allowable misalignment depends on the specific design and material of the coupling. Therefore, it is essential to refer to the manufacturer’s specifications and guidelines for the particular jaw coupling being used in an application.

For applications with significant misalignment or where precise alignment is critical, other types of flexible couplings, such as beam couplings or disc couplings, may be more appropriate. Proper alignment and regular maintenance are key factors in ensuring the optimal performance and longevity of the jaw coupling and the connected machinery.

China OEM Aluminum Flexible Motor Shaft Jaw Coupler Power Transmission Shaft Coupling Spider Insert Plum Coupling Jm16 Jm16c D16mm L22mm  China OEM Aluminum Flexible Motor Shaft Jaw Coupler Power Transmission Shaft Coupling Spider Insert Plum Coupling Jm16 Jm16c D16mm L22mm
editor by CX 2023-08-11

As one of leading jaw coupling manufacturers, suppliers and exporters of mechanical products, We offer jaw coupling and many other products.

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Mail:sales@jaw-coupling.com

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