China Professional CHINAMFG Jaw Coupling with PU Rubber for Motor 075

Product Description

Product Description

Features:

1. The main body is made of high-strength aluminum alloy

2. Zero rotation interval, suitable for positive and negative rotation

3. The gel is made of polyurethane and has good wear resistance

4. Oil resistance and electrical insulation, intermediate elastomer can absorb vibration

5. Radial, angular and axial deviation compensation

6. Dismountable design for easy installation

7. Clamping screw fastening method

 

Techncial Date

Size Type Standard bore Bore metric Bore inch Dimensions Torgue needed  Rotational speed  Mass
Min Max Min Max A B C D E Nm rpm kg
L035 1 3 3 8 1/8″ 3/8″ 16 20.2 7.8 6.6 0.5 30./8822 0571 -57152031              Fax: 86~/8822 0571 -57152030

 
Http://kasinchain      

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jaw coupling

Using Jaw Couplings in Precision Motion Control Systems

Jaw couplings are versatile mechanical couplings commonly used in various industrial applications for transmitting torque between two shafts. While they offer many benefits such as simplicity, cost-effectiveness, and ease of installation, they may not be the best choice for precision motion control systems that require extremely accurate and repeatable positioning. The following factors should be considered when using jaw couplings in precision motion control systems:

  • Backlash: Jaw couplings typically have some degree of backlash due to the clearance between the jaws and the spacers. This can introduce positional errors and limit the ability to achieve precise movements, especially in systems that require bidirectional positioning.
  • Angular and Parallel Misalignment: While jaw couplings can accommodate some degree of misalignment, precision motion control systems often require tight tolerances and minimal misalignment to achieve accurate positioning. In such cases, more rigid and flexible couplings, such as servo couplings or beam couplings, may be preferred.
  • Torsional Stiffness: In precision motion control, minimizing torsional wind-up and maintaining torsional stiffness is essential for precise and responsive movements. Jaw couplings may not provide the required level of torsional stiffness needed for high-performance motion control applications.
  • Resonance and Vibration: In precision motion systems, avoiding resonance and minimizing vibration is crucial for stability and accuracy. The damping characteristics of jaw couplings may not be sufficient to suppress vibrations and resonant frequencies, which can adversely affect performance.

While jaw couplings are widely used in general industrial applications, precision motion control systems often demand more specialized and precise coupling solutions. Some alternatives that are better suited for precision motion control applications include servo couplings, beam couplings, and disc couplings. These couplings offer higher torsional stiffness, lower backlash, and better overall performance for demanding motion control requirements.

When selecting a coupling for precision motion control, it is essential to consider the specific requirements of the application, including torque, speed, misalignment, and stiffness, to ensure the chosen coupling can meet the precision and performance demands of the system.

jaw coupling

How does a jaw coupling deal with backlash and torsional stiffness?

A jaw coupling addresses backlash and torsional stiffness through its unique design features and choice of materials. Backlash is the amount of free play or clearance between the coupling components, while torsional stiffness refers to the resistance of the coupling to torsional or twisting forces. Here’s how a jaw coupling deals with these aspects:

  • Backlash: Jaw couplings are designed to minimize backlash by ensuring a close fit between the elastomer spider and the jaws of the coupling hubs. The elastomer spider acts as a flexible intermediary that fills the space between the mating jaws, reducing any free play between them. This close fit reduces backlash and provides a more precise and responsive power transmission, especially in reversing or intermittent motion applications.
  • Torsional Stiffness: Torsional stiffness is achieved in jaw couplings by using materials that provide a balance between flexibility and rigidity. The elastomer spider in the coupling offers some flexibility, allowing it to absorb vibrations and dampen shocks. However, to ensure adequate torsional stiffness, the coupling hubs are usually made from sturdier materials like steel or aluminum. The choice of elastomer material and its geometry also influences the torsional stiffness of the coupling. Some applications may require coupling designs with higher torsional stiffness to maintain the accuracy and stability of the system, while others may benefit from more flexible couplings that can accommodate misalignments and shock loads. Overall, the combination of the elastomer’s flexibility and the coupling hub’s rigidity results in a coupling with a balanced torsional stiffness that can meet the specific needs of the application.

In summary, a jaw coupling minimizes backlash by providing a close fit between the coupling components, and it achieves torsional stiffness by using a combination of flexible elastomer materials and rigid coupling hubs. These design considerations make jaw couplings suitable for a wide range of applications that require reliable power transmission, precise motion control, and the ability to handle misalignments and shocks.

jaw coupling

Use of Jaw Couplings in Horizontal and Vertical Shaft Arrangements

Jaw couplings are versatile and can be used in both horizontal and vertical shaft arrangements. Their flexible and misalignment-absorbing design makes them suitable for various applications in different orientations.

Horizontal Shaft Arrangements: In horizontal shaft arrangements, the shafts are positioned parallel to the ground. Jaw couplings are commonly employed in this configuration to connect two shafts, such as those found in motor-driven systems, conveyor belts, and pumps.

Vertical Shaft Arrangements: In vertical shaft arrangements, the shafts are positioned perpendicular to the ground, one above the other. Jaw couplings can also be used in this setup to transmit power between the two vertically aligned shafts. Examples of applications with vertical shaft arrangements include some types of gearboxes, vertical pumps, and certain types of compressors.

It’s important to note that when using jaw couplings in vertical shaft arrangements, the weight of the connected equipment can impose axial loads on the coupling. In such cases, the coupling should be selected to handle both the radial and axial loads to ensure reliable performance.

Whether in horizontal or vertical arrangements, jaw couplings provide a cost-effective and efficient method of power transmission while accommodating misalignment and reducing shock loads. However, it is essential to consider the specific application’s requirements and select the appropriate size and type of jaw coupling for optimal performance and longevity.

China Professional CHINAMFG Jaw Coupling with PU Rubber for Motor 075  China Professional CHINAMFG Jaw Coupling with PU Rubber for Motor 075
editor by CX 2024-02-15

flexible jaw coupling

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

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