China factory High Abrasion Resistant Flexible Rubber Jaw Shaft Star Coupling Element PU Coupling Spider

Product Description

Rubber Spider Coupling Characteristic: 

1. Performance Shock Absorber
2. Low Compression Deformation
3. Corrosion Resistance
4. Oil Resistance
5. High Pressure Resistance
6. Wear Resistance

Rubber Material Compare

Why Us:

We have a fully-equipped workshop that meets ISO 9001:2015 and IATF 16949:2016 requirements. All products are compliant
with FDA, WRAS, UL, RoHS and REACH standards, and meet DIN, JIS and ASTM regulations. Material report and dimension
checking report are available.

1. Quality Approvals. More than 15 years professional manufacture experience.
2. Experienced Staff and Service. Professional R&D team, production team, sales team, after-sales service team.
3. Product Performance and affordable cost. Superior performance with most competitive price.
4. Prompt Delivery. Faster delivery time. 
5. Small Orders Accepted.
 

Supplying Standard and Customized Rubber & Plastic Parts
Established in 2004, Xihu (West Lake) Dis. Rubber is specialized in providing quality customized rubber molding,
extrusion parts, plastic injection products and some standard parts.

Meeting Various Standards
We have a fully-equipped workshop that meets ISO 9001:2015 and IATF 16949:2016 requirements.
Our products are compliant with FDA, WRAS, UL, RoHS and REACH standards, and meet DIN, JIS
, BS and ASTM regulations.

Parts include, but are not limited to:
Grommet, sleeve, feet, gasket, wheel, bellow, cap, dust cover, pad, washer, Strip, plug, stopper, grip,
seal, bushing, bumper, blocks, and anti vibration mounts etc.

FAQ

1. What types of rubber do you use?

Xihu (West Lake) Dis. Rubber has extensive experience in a vast range of rubber, including: Natural Rubber, SBR, CR, NBR, HNBR,
EPDM, Silicone Rubber, FPM, ACM, FK etc.

2. What types of plastic do you use?
Xihu (West Lake) Dis. Rubber has extensive experience in a vast range of plastics, including: ABS, Polypropylene (PP), PVC, POM,
PE, PEEK, Polyamide (PA) Nylons, PBT, etc.

3. What services do you provide?
We offer a broad range of services, including, Custom Rubber Molding, Liquid Injection Molding, Rubber Extrusion, and
Rubber/Plastic to Metal Bonded Parts.

4. Why us?
4.1 More than 15 years professional manufacture experience.
4.2 Professional R&D team, production team, sales team, after-sales service team.
4.3 Superior performance with most competitive price.
4.4 Faster delivery time.

5. Perfect quality control process
5.1 Raw material inspection 
      All raw materials before warehousing must be tested, and the corresponding physical property report shall be issued,
and compared with the physical property report of raw materials. Only when the test values of the 2 physical property
reports are consistent, can they be warehoused.

5.2 Mold inspection
      After mold development or cleaning, we will check the full size of the mold to ensure that the quality of each cavity is
the same.

5.3 Product inspection
      In the process of product production, inspectors regularly inspect the semi-finished products to ensure the rationality
of the process and control the defective rate within a reasonable range.

5.4 Finished product inspection
      The double inspection can ensure that the product appearance and size are 100% qualified.

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Installing and Aligning a Jaw Coupling for Optimal Performance

Proper installation and alignment of a jaw coupling are critical to ensure optimal performance, minimize wear, and prevent premature failure. Here are the steps to install and align a jaw coupling correctly:

1. Inspect the Coupling: Before installation, inspect the coupling components for any damage or defects. Ensure that the elastomeric spider (flexible element) is in good condition and free from any debris.
2. Prepare the Shaft Ends: Clean the shaft ends and remove any dirt, rust, or burrs. Make sure the shafts are smooth and free from contaminants that could affect the coupling’s grip.
3. Insert the Spider: Place the elastomeric spider into the jaws of one coupling half. It’s crucial to ensure the spider is seated correctly and evenly distributed within the jaws.
4. Align the Coupling Halves: Carefully align the two coupling halves, ensuring that the shaft ends are concentric and coaxial. Misalignment can lead to additional stresses and premature wear on the coupling.
5. Tighten Fasteners: Insert the fasteners (usually set screws or clamping bolts) and tighten them evenly and sequentially. It’s essential to follow the manufacturer’s recommended torque values to avoid overtightening, which could damage the spider or cause stress on the shafts.
6. Check Alignment: After tightening the fasteners, recheck the alignment of the coupling to ensure the shafts remain properly aligned. If necessary, make any adjustments to achieve accurate alignment.
7. Lubrication: Some jaw couplings may require lubrication for smooth operation. Check the manufacturer’s guidelines for lubrication requirements and use the recommended lubricant.
8. Run-In Period: After installation, it’s advisable to run the coupling at low speed and gradually increase the load to allow the spider to settle into its operating position. This run-in period helps ensure proper seating and further verifies alignment.

It’s essential to follow the manufacturer’s installation instructions and guidelines specific to the jaw coupling model being used. Proper installation and alignment will result in reliable and efficient power transmission, reduced maintenance costs, and extended coupling life.

Can jaw couplings be used in servo motor and stepper motor applications?

Yes, jaw couplings can be used in both servo motor and stepper motor applications, and they are commonly employed in such systems. The key factors that make jaw couplings suitable for these motor types are their ability to handle misalignment, their torsional flexibility, and their compact and lightweight design.

In servo motor applications, jaw couplings are chosen for their high precision and responsiveness. Servo motors require couplings that can transmit torque with minimal backlash and provide accurate motion control. Jaw couplings achieve this by maintaining a tight fit between the elastomer spider and the coupling hubs, minimizing backlash and ensuring precise torque transmission. The elastomer spider also dampens vibrations and shocks, contributing to smoother motor operation and increased system stability. Additionally, the compact size and low inertia of jaw couplings make them ideal for high-speed servo motor applications where quick acceleration and deceleration are crucial.

In stepper motor applications, jaw couplings are preferred for their ability to handle misalignment. Stepper motors often have shaft misalignment due to manufacturing tolerances or other factors, and jaw couplings can accommodate both angular and parallel misalignment without imposing significant additional loads on the motor bearings. This helps to reduce wear and extend the life of the motor and coupling components. Moreover, stepper motors are commonly used in open-loop systems, where precise positioning and motion control are essential. Jaw couplings’ low backlash characteristics aid in achieving accurate positioning and eliminating any motion inaccuracies that might arise due to backlash in the coupling.

Overall, jaw couplings are well-suited for servo motor and stepper motor applications due to their precision, ability to handle misalignment, torsional flexibility, and low inertia. When selecting a jaw coupling for a specific motor application, it is essential to consider factors such as torque requirements, operating conditions, and motor specifications to ensure optimal performance and reliability in the system.

How Does a Jaw Coupling Protect Connected Equipment from Shock Loads and Vibrations?

Jaw couplings are designed to provide some level of flexibility, which allows them to absorb shock loads and dampen vibrations in mechanical systems. The unique design of jaw couplings contributes to their ability to protect connected equipment in the following ways:

• Spider Element: The spider element, typically made of elastomeric material, serves as a mechanical fuse in the jaw coupling. When the system experiences shock loads or vibrations beyond the coupling’s rated capacity, the spider element can deform or fail in a controlled manner, protecting the connected components from damage.
• Torsional Wind-Up: In the presence of torsional vibrations or sudden torque fluctuations, the elastomeric spider can act as a torsional buffer, absorbing and dissipating the energy to prevent it from reaching the connected equipment.
• Misalignment Compensation: Jaw couplings can tolerate a degree of angular, parallel, and axial misalignment between the shafts. This capability helps minimize stress on the connected components in situations where misalignments might occur due to external forces or dynamic operating conditions.
• Reduction of Resonance Effects: The flexibility of jaw couplings can help mitigate resonance effects that may arise in the system, reducing the risk of resonance-related failures or damages.

It’s important to note that while jaw couplings offer protection against certain shock loads and vibrations, they have their limits. Excessive or repetitive shocks, vibrations, or overloading beyond the coupling’s rated capacity can still lead to premature wear or failure. Therefore, it is essential to select the appropriate size and type of jaw coupling for the application and regularly inspect the coupling for signs of wear or damage. Regular maintenance and inspection help ensure the jaw coupling continues to provide reliable protection to the connected equipment.

editor by CX 2024-04-22