China manufacturer Wja Type Internal Spline Spherical Roller Chain Coupling for Reels Reducer Coupling

Product Description

WJA Type Internal Spline Spherical Roller Coupling for Reels Reducer Coupling

Description:
This standard is applicable to the coupling between the reducer and thedrum of the crane lifting mechanism and other similar mechanisms forthe transmission of torque and bearing the radial load. The operatingtemperature is -25C~+80C; The nominal transmission torque is4-800KNm. Alowable radial is 14.5~450KN· m. This standard form isdivided into WJ type and WJA type. WJ type is ZHangZhoug spline spindlehole.
Cylindrical straight teeth with flat root ZHangZhoug spline at 30° pressureAngle specified in GB /T3478. WA type cylindrical shaft hole accordingto GB /T3852 J1 shaft hole. 

Product parameters:
kN.m= Norminal Torque; kN= Allowable radial force; d= Internal spline;
m= Wear and tear scale; kg.m²= Rotational inertia; kg= Mass
1. The rotational inertia and weight are approximate values calculated according to the diameter of smaller shaft hole.
2. The allowable compensation amount: WJ1~WJ2 ±3mm, WJ3~WJ9 ± 4mm, WJ10~WJ13 ± 6mm, WJ14~WJ17 ± 8mm. 

Packing & shipping
1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.

FAQ:
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.
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How does the chain size affect the performance of a chain coupling?

The chain size has a significant impact on the performance of a chain coupling. The size of the chain refers to the physical dimensions of the roller chain used in the coupling, including the pitch, roller diameter, and width. Here are some key ways in which the chain size affects the performance of a chain coupling:

• Torque Capacity: The chain size directly affects the torque capacity of the chain coupling. Larger chain sizes are generally capable of transmitting higher torque loads due to their increased contact area and greater strength. Smaller chain sizes, on the other hand, have lower torque capacities and are suitable for applications with lighter torque requirements.
• Speed Capability: The chain size also influences the speed capability of the chain coupling. Larger chains can typically handle higher rotational speeds without experiencing issues such as excessive vibration or centrifugal forces. Smaller chain sizes may have limitations in terms of maximum allowable speeds and may not be suitable for high-speed applications.
• Service Life: The selection of an appropriate chain size is crucial for achieving the desired service life of the chain coupling. If the chain is undersized for the application, it may experience premature wear, fatigue, and ultimately fail under the operating conditions. Conversely, using an oversized chain may result in unnecessary costs, increased weight, and reduced efficiency.
• Space Constraints: The physical size of the chain can also impact the overall dimensions and installation requirements of the chain coupling. Larger chain sizes may require more space for proper installation, including clearance for the chain links and sprockets. In applications with limited space, choosing a smaller chain size may be necessary to ensure proper fit and operation.
• Compatibility: The chain size should be compatible with the sprockets and other components of the chain coupling. It is important to ensure that the chain and sprockets are designed to work together, with matching dimensions and tooth profiles. Using an incompatible chain size can lead to poor engagement, increased wear, and reduced overall performance.

When selecting the appropriate chain size for a chain coupling, it is essential to consider the specific requirements of the application, including torque, speed, space limitations, and compatibility with other components. Consulting the manufacturer’s recommendations and guidelines is crucial to ensure the optimal chain size selection for the desired performance, reliability, and longevity of the chain coupling.

How to install a chain coupling?

Proper installation of a chain coupling is crucial for ensuring its optimal performance and longevity. Here are the steps to follow when installing a chain coupling:

1. Prepare the Work Area: Before beginning the installation, ensure that the work area is clean and free from any debris or contaminants. This will help prevent any damage to the coupling components during installation.

2. Inspect the Components: Carefully inspect the chain coupling components, including the sprockets, roller chain, connecting pins, and bushings or bearings. Check for any signs of damage or wear. Replace any components that are worn or damaged.

3. Position the Coupling: Position the coupling on the shafts that need to be connected. Ensure that the shafts are aligned properly and the coupling is centered between them.

4. Install the Sprockets: Slide the sprockets onto the shafts, with the teeth facing each other. Make sure the sprockets are securely seated on the shafts and aligned with each other.

5. Connect the Roller Chain: Loop the roller chain around the sprockets, ensuring that it is properly engaged with the sprocket teeth. Connect the ends of the roller chain using the connecting pins. Insert the connecting pins through the pin holes in the chain links and secure them with retaining clips or other fasteners.

6. Tension the Chain: Adjust the tension of the roller chain to the manufacturer’s specifications. The chain should have the appropriate amount of slack to allow for smooth operation and accommodate misalignment but should not be too loose or too tight. Follow the manufacturer’s guidelines for determining the correct chain tension.

7. Secure the Bushings or Bearings: If the chain coupling uses bushings or bearings, ensure they are properly installed in the bores of the sprockets and provide a secure and smooth rotation of the shafts.

8. Apply Lubrication: Apply the recommended lubricant to the roller chain and sprockets. Proper lubrication is essential for reducing friction, wear, and noise, and it helps ensure smooth operation of the chain coupling.

9. Check Alignment and Rotation: Once the chain coupling is installed, check the alignment of the shafts and the rotation of the coupling. Verify that the coupling rotates smoothly without any binding or interference.

10. Inspect and Test: After installation, thoroughly inspect the entire chain coupling assembly. Look for any signs of misalignment, unusual noise, or vibration. Test the coupling’s operation by running the machinery at a low speed and gradually increasing to the normal operating speed. Monitor the coupling for any issues or abnormalities.

Following these installation steps will help ensure a proper and secure installation of the chain coupling, promoting efficient power transmission and minimizing the risk of premature failure or damage.

How to select the right chain coupling for a specific application?

Choosing the appropriate chain coupling for a specific application involves considering various factors to ensure optimal performance and reliable power transmission. Here are some key steps to guide you in the selection process:

1. Identify Application Requirements: Begin by understanding the specific requirements of the application. Consider factors such as the torque load, speed, misalignment conditions (angular, parallel, axial), and environmental conditions (temperature, moisture, presence of corrosive substances).

2. Determine Torque and Speed Requirements: Calculate or estimate the torque and speed requirements of the application. This information is crucial in selecting a chain coupling that can handle the transmitted torque and operate effectively at the required speed range.

3. Evaluate Misalignment Compensation: Assess the expected misalignment conditions in the application. Determine the magnitude of angular, parallel, and axial misalignments that the chain coupling needs to tolerate. This will help in selecting a coupling design that can accommodate the anticipated misalignment without compromising performance or causing excessive stress on the machinery.

4. Consider Space Limitations: Evaluate the available space for the chain coupling. Measure the shaft-to-shaft distance and ensure that the selected coupling can fit within the available space without interference with other components or structures.

5. Assess Environmental Factors: Take into account the environmental conditions in which the chain coupling will operate. Consider factors such as temperature extremes, humidity, presence of dust or debris, and exposure to corrosive substances. Choose a chain coupling that is designed to withstand these conditions and is made from materials that offer adequate corrosion resistance.

6. Consult Manufacturer Specifications: Review the specifications and technical information provided by reputable chain coupling manufacturers. Pay attention to factors such as torque ratings, speed limits, misalignment capabilities, material compatibility, and recommended maintenance practices.

7. Consider Maintenance Requirements: Evaluate the maintenance requirements of the chain coupling. Assess factors such as lubrication needs, ease of inspection, and adjustment procedures. Choose a coupling that aligns with the maintenance capabilities and resources available in your application.

8. Seek Expert Advice if Needed: If you are uncertain about the selection process or have specific application requirements that need expert guidance, consult with knowledgeable engineers or technical representatives from the coupling manufacturer. They can provide valuable insights and recommendations based on their expertise and experience.

By following these steps and considering the specific application requirements, you can select the right chain coupling that meets the torque, speed, misalignment, space, and environmental demands of your application. Proper selection will ensure efficient power transmission, reliable operation, and extended lifespan of the chain coupling.

editor by CX 2024-03-04