Product Description

Ynf Gr48 Red Color Rubber Elastic Coupling Spider 105*52*26 Screw Coupling

Structure:Jaw / Spider                                                                          Flexible or Rigid:Flexible
Standard or Nonstandard:Standard                                                   Material:PU, or others, PU
Brand Name:Beyond Seals                                                                  Place of Origin:HangZhou, China (Mainland)
Model Number:Elastic spider                                                              Item:spider coupling rubber
Color:Red color                                                                                      Size:GR48
MOQ:10 Pcs, also depend on you needs                                           Specification:105*52*26

Supply Ability
Supply Ability:
3000 Piece/Pieces per Month

Packaging & Delivery
Packaging Details
In standard export packing:suche as outside carton,inside plastic bags XXXpcs/bag (PE bag ,Poly bag , Blister packing ) ,then packed in carton(,etc ) 
HangZhou,China
Lead Time :
In 3-7 days or according to your orders
 

Place of Origin	HangZhou, China (Mainland)
Brand Name	YNF/Y&F
Property	High/low temperature resistance, oil and fuel resistance, weathering resistance, O zone resistance etc.
Shape	According to your requirement.
Color	Red color
Material	Jaw,Spider,Rubber
Delivery	Within 10 days
Packing	Plastic bag & carton box or according to your requirements.
Application	Excavator/Digger

Product show as below:

 

	OD	ID	H
GR-28	65	30	20
GR-38	80	38	22
GR-42	95	45	20
GR-48	105	52	26
GR-55	120	60	27
GR-65	134	69	25
GR-75	160	80	37
GR-90	199	100	42
GR-100	224	113	38
GR-110	225	127	42.5

About us:

Company Information
Yingfeng Construction Machinery Limited established in 1988,having both trading company and owned factory .Office and showroom are located in HangZhou ,Xihu (West Lake) Dis. district. We produce and sell various Excavator Parts,such as coupling,Oil Seal,Hydraulic Parts,Excavator Rubber Parts,Excavator Electric Parts,Excavator wearing Parts,Engine Parts,Excavator Filters,Excavator Gears,Bearings,Excavator A/C Parts,Excavator Undercarriage Parts and Some air compressor couplings.

FAQ

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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.

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.

What is a spider coupling and how is it used in mechanical systems?

A spider coupling, also known as a jaw coupling or elastomeric coupling, is a type of flexible coupling used to connect two shafts while accommodating misalignment and transmitting torque between them. It consists of three main components: two hubs and an elastomeric spider or insert that fits between them.

The elastomeric spider is typically made of a flexible and durable material, such as rubber or polyurethane, with a series of lobes or fins that fit into matching grooves on the inner surfaces of the hubs. These lobes allow the spider to flex and absorb misalignments between the connected shafts while transmitting torque.

The spider coupling is used in mechanical systems to:

• Transmit Torque: The primary function of a spider coupling is to transmit torque from one shaft to another. As the shafts rotate, the elastomeric spider deforms slightly, allowing the hubs to move relative to each other while maintaining torque transmission.
• Accommodate Misalignment: Spider couplings can accommodate different types of misalignment, including angular, axial, and parallel misalignments, without causing excessive stress on the connected components. This flexibility helps prevent premature wear and failure.
• Dampen Vibrations: The elastomeric material of the spider acts as a shock absorber, dampening vibrations and reducing the transmission of vibrations between the connected shafts. This can improve overall system performance and reduce wear on components.
• Isolate Shock Loads: In applications with sudden changes in torque or shock loads, the spider coupling can absorb and dampen these shocks, protecting the connected components from damage.
• Reduce Maintenance: Spider couplings require minimal maintenance due to their simple design and absence of lubrication points. This can lead to reduced downtime and maintenance costs in industrial machinery.
• Provide Electric Insulation: Spider couplings can provide electrical isolation between the connected shafts, making them suitable for applications where electrical grounding needs to be minimized.

Spider couplings are commonly used in various machinery and equipment, such as pumps, compressors, conveyors, fans, and industrial machinery. They are particularly well-suited for applications that require flexibility, misalignment compensation, vibration reduction, and ease of maintenance.

editor by CX 2024-04-26