Product Description

PU Spider, PU Coupling, Polyurethane Spider, Polyurethane Coupling (3A2006)
 

Description: the polyurethane elastomeric is a new material of polymer synthetic between rubber and plastic. It has both high strength of plastic and high elasticity of rubber. Its characteristics are: 1, a wide range of hardness. It still has rubber elongation and resilience at high hardness. The polyurethane elastomeric has a hardness range of Shore A10-D80. 2. high strength. At rubber hardness, the tensile strength, tear strength and load carrying capacity are much higher than general rubber material. At high hardness, its impact strength and flexural strength are much higher than plastic material. 3, wear-resistant. Its wear resistance is very outstanding, generally in the range of 0.01-0.10cm³/1.61km, about 3-5 times than rubber material. 4, oil resistant. The polyurethane elastomeric is a highly CHINAMFG polymer compound which has low affinity with non-polar mineral oil and is hardly eroded in fuel oil and mechanical oil. 5, good resistance to oxygen and ozone. 6, excellent vibration absorption performance, can do damping and buffering. In the mold manufacturing industry, it replaces rubber and springs.7, has good low temperature performance. 8, radiation resistance. Polyurethane is highly resistant to high energy radiation and has satisfactory performance at 10-10 deg radiation dose. 9, with good machining performance.

 

The polyurethane coupling, rubber coupling are made by injection with high quality TPU material or mould CSM/SBR. It is designing and special for all kinds of metal shaft coupling with very good performance of high tensile strength, high wear resistant, high elastic resilience, water resistant, oil resistant and excellent fatigue resilience, high impact resistant etc. We have full sets injection moulds and supply full range of GR, GS, MT, ML, MH, Hb, HRC, L, T, NM and Gear J series couplings etc. with high quality and excellent experience. Apply to all kinds of industrial metal shaft coupling.

 

Specifications:

material: TPU, CSM/SBR, NBR, nylon etc.

color: yellow, red, purple, green, black, beige etc.

surface: smooth

tensile strength: 8-55Mpa

hardness: 70-98Shore A

elongation: 400%-650%

density: 1.25g/cm³

elasticity impact: >25%

tear strength: 35-155KN/m

akron abrasion loss:<0.05cm³/1.61km

compression set (22h*70°C):<10%

working temperature: 120°C

standard size for polyurethane coupling: 

GR14, GR19, GR24, GR28, GR38, GR42, GR48, GR55, GR65, GR75, GR90, GR100, GR110, GR125, GR140, GR160, GR180

GS14, GS19, GS24, GS28, GS38, GS42, GS48, GS55, GS65, GS75, GS90, GS100, GS110, GS125, GS140, GS160, GS180

MT1, MT2, MT3, MT4, MT5, MT6, MT7, MT8, MT9, MT10, MT11, MT12, MT13

ML1, ML2, ML3, ML4, ML5, ML6, ML7, ML8, ML9, ML10, ML11, ML12, ML13

MH45, MH55, MH65, MH80, MH90, MH115, MH130, MH145, MH175, MH200

HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280

L35, L50, L70, L75, L90/95, L99/100, L110, L150, L190, L225, L276

FALK-R 10R, 20R, 30R, 40R, 50R, 60R, 70R, 80R

SBT T40, T45, T50, T55, T60, T65, T70, T75, T80, T85, T90, T95, T100, T105, T108, T110, T115, T120, T125, T130, T135, T140, T145, T150, T154, T170, T185, T190, T210

Joong Ang CR0050, 0070, 571, 571, 2035, 2035A, 3545, 4560, 6070, 7080

MS571, MS571, MS1119, MS1424, MS1928, MS1938, MS2845, MS3860, MS4275, MS6510

D14, D14L, D20, D25, D30, D30L, D35, D40, D45, D49, D55, D65

5H, 6H, 7H, 8H, 9H, 10H, 11H

 

standard size for rubber coupling:

Hb80, Hb95, Hb110, Hb125, Hb140, Hb160, Hb180, Hb200, Hb240, Hb280, Hb315

HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280

L35, L50, L70, L75, L90/95, L99/100, L110, L150, L190, L225

NM50, NM67, NM82, NM97, NM112, NM128, NM148, NM168, NM194, NM214, NM240, NM265

NOR-MEX168-10, NOR-MEX194-10, NOR-MEX214-10, NOR-MEX240-10, NOR-MEX265-10

FCL1#, FCL2#, FCL3#, FCL4#, FCL5#, FCL6#, FCL7#, FCL8#

FCL90, FCL100, FCL112, FCL125, FCL140, FCL160, FCL180, FCL200, FCL224, FCL250, FCL280, FCL315, FCL335, FCL400, FCL450, FCL560, FCL630

Gear 3J, 4J, 5J, 6J, 7J, 8J, 9J, 10J, 11J, 12J, 13J, 14J

Hytre 4H, 5H, 6H, 7H, 8H, 9H, 11H

Tyre F40, F50, F60, F70, F80, F90, F100, F110, F120, F140, F160 

SBT T75, T80, T85, T90, T95, T100, T105, T108, T110, T115, T120, T125, T130, T135, T140, T145, T150, T154, T170, T210

FCLpin #1, #2, #3, #4, #5, #6, #8

GR42, GR48, GR55, GR65, GR75

 

standard size for nylon coupling:

NL1, NL2, NL3, NL4, NL5, NL6, NL7, NL8, NL9, NL10

M28, M32, M38, M42, M48, M58, M65

packing in cartons

OEM & customized size are agreed

special supply all kinds of steel coupling for FCL, NM, MH, HRC, Love Joy, Joongang, Centafelx, XL-GR, Tyre

***when you enquiry, pls confirm type, size number and quantity***

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What materials are typically used in manufacturing spider couplings and why?

Spider couplings are constructed using a combination of materials to achieve durability, flexibility, and efficient torque transmission. The choice of materials depends on factors such as application requirements, environmental conditions, and the desired balance between strength and flexibility. Common materials used in manufacturing spider couplings include:

• Aluminum: Aluminum is lightweight and corrosion-resistant, making it suitable for applications where weight reduction is important. It offers good mechanical properties and can be used in various industries.
• Steel: Steel provides excellent strength and durability. It’s often used in heavy-duty applications where high torque transmission is required. Surface treatments can enhance corrosion resistance.
• Stainless Steel: Stainless steel offers corrosion resistance in aggressive environments. It’s commonly used in industries such as food processing, pharmaceuticals, and chemical processing.
• Cast Iron: Cast iron is known for its high compressive strength and wear resistance. It’s suitable for applications requiring robust construction and can handle high torque loads.
• Plastic/Polymer: Certain polymers and plastics, such as polyurethane or nylon, are used for the elastomeric spider element. These materials provide flexibility, vibration dampening, and misalignment compensation.

The choice of materials depends on the specific requirements of the application. For example, aluminum or stainless steel may be chosen for industries requiring corrosion resistance, while steel or cast iron may be selected for heavy-duty applications. The elastomeric spider is typically made from a durable polymer to ensure flexibility and effective torque transmission while accommodating misalignment. Overall, selecting the right materials ensures that spider couplings can withstand the demands of the intended application and provide reliable performance over their lifespan.

What are the best practices for ensuring proper lubrication of spider couplings?

Proper lubrication is essential for maintaining the performance and lifespan of spider couplings. Here are some best practices to ensure proper lubrication:

• Use the Right Lubricant: Select a lubricant that is recommended by the coupling manufacturer. The lubricant should be compatible with the elastomeric spider material and the operating conditions of the machinery.
• Follow Manufacturer’s Guidelines: Adhere to the lubrication schedule and guidelines provided by the manufacturer. They will specify the appropriate lubrication intervals and the quantity of lubricant to be applied.
• Clean the Components: Before applying lubricant, make sure the coupling components are clean and free of dirt, debris, and old lubricant residues. Cleaning the components prevents contamination of the new lubricant.
• Apply Lubricant Evenly: Apply the lubricant evenly on all contact surfaces of the elastomeric spider and the coupling hub. Avoid over-lubrication, which can lead to excess buildup and potential slippage.
• Use Lubrication Tools: Some couplings may have lubrication ports or fittings that facilitate the application of lubricant. If such features are present, use the appropriate lubrication tools to ensure thorough coverage.
• Operate Coupling After Lubrication: After applying lubricant, operate the coupling for a short period to ensure that the lubricant is evenly distributed across the contact surfaces. This helps in preventing dry spots and optimizing lubrication effectiveness.
• Monitor Lubricant Condition: Regularly inspect the condition of the lubricant during routine maintenance checks. If you notice signs of contamination, degradation, or insufficient lubrication, take corrective actions promptly.
• Consider Operating Conditions: Environmental factors such as temperature, humidity, and exposure to chemicals can affect the performance of lubricants. Choose a lubricant that can withstand the specific operating conditions of the machinery.
• Document Lubrication Activities: Keep a record of lubrication activities, including the type of lubricant used, lubrication intervals, and the results of lubrication checks. This documentation helps track the history of lubrication and informs future maintenance decisions.

By following these best practices for lubrication, you can ensure that the elastomeric spider remains properly lubricated, reducing friction, wear, and the potential for premature coupling failure.

Can you explain the role of the elastomeric spider in a spider coupling’s function?

The elastomeric spider plays a critical role in the function of a spider coupling by providing flexibility, misalignment compensation, and vibration dampening. It is the central component that connects the two hubs of the coupling and transmits torque between the shafts. The elastomeric spider is typically made from a durable and resilient elastomer material, such as rubber or polyurethane. Here’s how the elastomeric spider contributes to the spider coupling’s operation:

• Flexibility: The elastomeric material of the spider allows it to flex and deform as torque is transmitted between the shafts. This flexibility accommodates misalignment between the shafts, including angular, radial, and axial misalignment.
• Misalignment Compensation: The spider coupling’s design incorporates the elastomeric spider’s ability to stretch and compress. This allows it to absorb and compensate for minor misalignments that can occur due to manufacturing tolerances, thermal expansion, or external forces.
• Vibration Dampening: The elastomeric material of the spider acts as a cushion, absorbing and dampening vibrations that may be generated during operation. This reduces the transmission of vibrations from one shaft to another and contributes to smoother machinery performance.
• Torque Transmission: As the shafts rotate and torque is applied to one hub of the coupling, the elastomeric spider deforms to transmit the torque to the other hub and, subsequently, to the second shaft. The spider’s ability to deform under load ensures efficient power transmission.
• Resilience: Elastomeric spiders are designed to withstand repeated cycles of deformation and load. Their resilience allows them to maintain their original shape and performance over time, contributing to the longevity of the coupling.
• Reduced Maintenance: The presence of the elastomeric spider reduces the need for constant alignment adjustments and maintenance, as it compensates for misalignments and dampens vibrations that can cause wear and tear.

Overall, the elastomeric spider’s ability to provide flexibility, misalignment compensation, vibration dampening, and efficient torque transmission makes it a crucial component in spider couplings, enhancing their performance and reliability in various industrial applications.

editor by CX 2024-03-27