Product Description

Product Description

Coupling Deatails

Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.

Model parameter	ΦD	L	LF	LP	F	M	Tightening screw torque
							(N.M)
GF-14X22	14	22	14.3	6.6	3.8	M 3	0.7
GF-20X25	20	25	16.7	8.6	4	M 3	0.7
GF-20X30	20	30	19.25	8.6	5.3	M 4	1.7
GF-25X30	25	30	20.82	11.6	5.6	M 4	1.7
GF-25X34	25	34	22.82	11.6	5.6	M 4	1.7
GF-30X35	30	35	23	11.5	5.75	M 4	1.7
GF-30X40	30	40	25.6	11.5	10	M 4	1.7
GF-40X50	40	50	32.1	14.5	10	M 5	4
GF-40X55	40	55	34.5	14.5	10	M 5	4
GF-40X66	40	66	40	14.5	12.75	M 5	4
GF-55X49	55	49	32	16.1	13.5	M 6	8.4
GF-55X78	55	78	46.4	16.1	15.5	M 6	8.4
GF-65X80	65	80	48.5	17.3	18.1	M 8	10.5
GF-65X90	65	90	53.5	17.3	18.1	M 8	10.5

 

Product Parameters

Detailed Photos

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Are there any industry standards or guidelines for designing and using spider couplings?

Yes, there are industry standards and guidelines that provide recommendations for designing, selecting, and using spider couplings in various mechanical systems. These standards help ensure the safe and reliable operation of spider couplings in industrial applications. Some of the relevant standards include:

• AGMA 9002-B15: This American Gear Manufacturers Association (AGMA) standard provides guidelines for the selection and application of flexible couplings, including spider couplings. It covers topics such as coupling types, misalignment, torque capacity, and lubrication.
• ISO 14691: This International Organization for Standardization (ISO) standard specifies methods for testing the torsional stiffness of flexible couplings, including spider couplings. It outlines procedures for determining the dynamic torsional stiffness and related parameters.
• API 671: This American Petroleum Institute (API) standard provides guidelines for special-purpose couplings used in petroleum, chemical, and gas industry services. It covers design, manufacturing, inspection, and testing requirements for couplings, including those with elastomeric elements.

While these standards offer valuable insights, it’s important to note that specific industry requirements and applications may influence the design and selection of spider couplings. Manufacturers, engineers, and designers should also consider factors such as torque, misalignment compensation, environment, and system dynamics when applying these standards to their designs. Adhering to industry standards ensures that spider couplings are properly designed, installed, and used to meet the intended performance and safety criteria.

Can you explain the concept of torsional stiffness in relation to spider couplings?

Torsional stiffness is a crucial concept in the design and functionality of spider couplings. It refers to the ability of a coupling to resist rotational deformation (twisting) when subjected to a torque load. In other words, torsional stiffness measures how much a coupling can maintain its shape and transmit torque without excessive twisting or deformation.

In the context of spider couplings:

• High Torsional Stiffness: A coupling with high torsional stiffness exhibits minimal angular deflection or twisting when torque is applied. This ensures accurate torque transmission and precise alignment between connected shafts. High torsional stiffness is especially important in applications that require accurate positioning and synchronization.
• Low Torsional Stiffness: A coupling with low torsional stiffness allows for some degree of angular misalignment between shafts and can accommodate slight variations in torque load. This flexibility can be advantageous in applications where misalignment or shock absorption is necessary.

When selecting a spider coupling for a specific application, the torsional stiffness of the coupling needs to be considered based on the requirements of the machinery system. The choice between high and low torsional stiffness depends on factors such as the level of precision needed, the type of load, the degree of misalignment, and the overall performance objectives.

It’s important to note that while torsional stiffness is a key consideration, other factors like the material of the elastomeric spider, size of the coupling, and the type of spider profile also play a role in the coupling’s overall performance and behavior.

How do you properly install and maintain a spider coupling in machinery?

Installation:

Proper installation of a spider coupling is essential to ensure its optimal performance and longevity. Here are the steps for installing a spider coupling:

1. Ensure Safety: Before starting any installation, make sure the machinery is properly shut down and all energy sources are disconnected.
2. Inspect Components: Check the hubs, elastomeric spider, and shafts for any damage or debris. Ensure that the components match the correct specifications.
3. Align Shafts: Align the shafts to minimize initial misalignment before inserting the elastomeric spider.
4. Insert Spider: Place the elastomeric spider into one of the hubs, ensuring that the lobes or fins are correctly aligned with the grooves in the hub.
5. Align Second Hub: Carefully align the second hub with the first one, making sure the spider lobes fit into the grooves of both hubs.
6. Press Hubs Together: Gently press the hubs together until they meet. Avoid using excessive force, as this could damage the elastomeric spider.
7. Check Alignment: After installation, check the alignment of the shafts and the coupling. Misalignment should not exceed the manufacturer’s recommended limits.
8. Tighten Fasteners: Tighten the fasteners on the hubs according to the manufacturer’s torque specifications. Use a torque wrench to ensure proper tightening.
9. Verify Clearance: Check for proper clearance between the coupling and surrounding components to prevent interference during operation.
10. Run System: Start the machinery and monitor the coupling for any unusual vibrations or noise. Make any necessary adjustments if issues are detected.

Maintenance:

Maintaining a spider coupling is important to ensure its continued performance and prevent premature failure. Here are some maintenance tips:

• Regular Inspection: Periodically inspect the spider coupling for signs of wear, damage, or deterioration. Look for cracks, tears, or other abnormalities in the elastomeric spider.
• Clean Environment: Keep the coupling and surrounding area clean from dirt, debris, and contaminants that could impact its performance.
• Lubrication: Spider couplings are self-lubricating due to the elastomeric material. Avoid using additional lubricants, as they can deteriorate the elastomeric properties.
• Temperature Consideration: Be aware of the temperature range specified by the manufacturer for the elastomeric material. Extreme temperatures can affect the performance and lifespan of the coupling.
• Replace Worn Parts: If the elastomeric spider shows signs of wear, replace it with a new one from the manufacturer. Do not continue using a worn or damaged spider.
• Monitor Vibrations: Regularly monitor the machinery for unusual vibrations or noise, as these can indicate issues with the coupling. Address any problems promptly.
• Follow Manufacturer Guidelines: Adhere to the manufacturer’s recommended maintenance schedule and guidelines for the specific spider coupling model.

Proper installation and regular maintenance contribute to the reliable and efficient operation of a spider coupling in machinery.

editor by CX 2024-05-10