Product Description
Gr90 199*100*42 CHINAMFG Jaw Coupling Spider Screw Portable Air Compressor Parts
Structure:Jaw / Spider Flexible or Rigid:Flexible
Standard or Nonstandard:Standard Material:PU, or others, PU
Brand Name:Y&F Place of Origin:HangZhou, China (Mainland)
Model Number:Elastic spider Item:spider coupling rubber
Color:Red color Size:GR55
MOQ:1 Pcs, also depend on you needs Specification:120*60*27
Supply Ability
Supply Ability:
3000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
In standard export packing:suche as carton, plastic bags 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 after payment |
|
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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Torque and Speed Ratings for Different Sizes of Jaw Couplings
The torque and speed ratings for jaw couplings vary depending on their size and design. Manufacturers typically provide specifications for different sizes of jaw couplings, and it’s essential to select the appropriate coupling based on the specific requirements of the application. Here’s how torque and speed ratings are determined for jaw couplings:
- Torque Rating: The torque rating of a jaw coupling is the maximum amount of torque it can transmit without causing failure. It is typically specified in Newton-meters (Nm) or inch-pounds (in-lb). Larger jaw couplings generally have higher torque ratings than smaller ones, as they can accommodate more substantial loads.
- Speed Rating: The speed rating of a jaw coupling refers to the maximum rotational speed at which it can operate efficiently and reliably. It is usually specified in revolutions per minute (RPM). Higher-speed applications may require jaw couplings designed to handle increased rotational velocities.
It’s essential to carefully match the torque and speed requirements of the application with the appropriate jaw coupling size. Undersized couplings may result in premature failure, while oversized couplings might lead to reduced flexibility and increased wear. Manufacturers’ catalogs or product datasheets provide detailed information on the torque and speed ratings for each coupling size, helping engineers and designers make informed decisions when selecting the right coupling for their specific needs.
How do jaw couplings handle axial movement in rotating machinery?
Jaw couplings are primarily designed to handle angular and parallel misalignment between rotating shafts. While they are not specifically designed for axial movement compensation, they can accommodate a limited amount of axial movement under certain conditions.
The ability of a jaw coupling to handle axial movement depends on the specific design of the coupling and the type of elastomer spider used. The elastomer spider serves as the flexible element between the two coupling hubs and is responsible for transmitting torque and compensating for misalignment. Some jaw couplings have an elastomer spider with axial flexibility, allowing the coupling to accommodate minor axial movements while maintaining effective torque transmission.
However, it is essential to note that jaw couplings have limitations regarding axial movement. They are not designed for significant axial loads or axial displacements. Excessive axial movement can lead to premature wear and damage to the elastomer spider, reducing the coupling’s performance and lifespan.
If an application requires significant axial movement compensation, other types of couplings may be more suitable. For instance, flexible beam couplings or bellows couplings are designed specifically to handle axial movement and are often used in applications where axial misalignment is a critical consideration.
In summary, while jaw couplings can handle a certain amount of axial movement, they are primarily intended for angular and parallel misalignment compensation. For applications with significant axial movement requirements, it is essential to consider coupling types explicitly designed for this purpose.
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 2024-03-26