Product Description

Rubber Spider Coupling Characteristic: 

1. Performance Shock Absorber
2. Low Compression Deformation
3. Corrosion Resistance
4. Oil Resistance
5. High Pressure Resistance
6. Wear Resistance

Rubber Material Compare

E – Excellent          G – Good          F – Fair          P – Poor          
Material Properties
Property NBR  EPDM CR Silicone FKM NR SBR PU HNBR FVMQ IIR
Abrasion Resistance G G G P G E E E G P G
Acid Resistance F G F F E F F P E F G
Chemical Resistance F E F G E F F F G E E
Cold Resistance G G F E P G G G G G G
Compression Set Resistance G G F G E G G F G G F
Dynamic Properties G G F P G E E E G P F
Electrical Properties F G F E F G G F F E G
Elongation G G G F F F F F G F G
Flame Resistance P P G F E P P P P G P
Heat Resistance G G G E E F F F E E G
Impermeability G G G P G F F G G P E
Oil Resistance E P F F E P P G E G P
Ozone Resistance P E G E E P P E G E G
Tear Resistance F G F P F G G G F P G
Tensile Strength G G G P G E E E E F G
Water Resistance G E F G F G G P E F G
Weather Resistance F E E E E F F E G E G

Why Us:

We have a fully-equipped workshop that meets ISO 9001:2015 and IATF 16949:2016 requirements. All products are compliant
with FDA, WRAS, UL, RoHS and REACH standards, and meet DIN, JIS and ASTM regulations. Material report and dimension
checking report are available.

1. Quality Approvals. More than 15 years professional manufacture experience.
2. Experienced Staff and Service. Professional R&D team, production team, sales team, after-sales service team.
3. Product Performance and affordable cost. Superior performance with most competitive price.
4. Prompt Delivery. Faster delivery time. 
5. Small Orders Accepted.
 

Material Rubber Metal Bonded, NR Rubber, SBR Rubber, Carbon Steel, Stailess Steel
Material Report FDA, ROHS, UL, WRAS and REACH
Dimension Standard Sizes or As per customers’ Requirement
Certifications ISO9001,IATF16949,ISO14001
Color Any colors according to PANTONE or RAL
Surface Finish Texture (VDI/MT standard, or made to client’s sample), polished (high polish, mirror polish), smooth, painting, powder coating, printing, electroplating etc.
Service Custom Made or OEM and ODM
Free Samples Okay
Production Ways CAD Drawing, 3D Files or Samples
Production Capacity 200T,300T and 500T Compressing Molding, Injection Molding, Auto Vacuum Vulcanizing, Plastic Injection, and Extrusion
Supplying Capacity One Million Pieces/ Month
Tolerance Generally±0.05mm or Better
QC PPAP, In House Control, Third Party Inspection Institution such SGS, TUV
Lead Time 15 Days for Molding, 15-20 Days for Series Production
Application Industry Machinery,Automotive,Mechanical Equipment, Construction, House Application,
Medical Machine
More Parts

Grommet, sleeve, feet, gasket, wheel, bellow, cap, dust cover, pad, washer, 

Strip, plug, stopper, grip, seal, bushing, bumper, blocks, and anti vibration mounts etc.

Supplying Standard and Customized Rubber & Plastic Parts
Established in 2004, Xihu (West Lake) Dis. Rubber is specialized in providing quality customized rubber molding,
extrusion parts, plastic injection products and some standard parts.

Meeting Various Standards
We have a fully-equipped workshop that meets ISO 9001:2015 and IATF 16949:2016 requirements.
Our products are compliant with FDA, WRAS, UL, RoHS and REACH standards, and meet DIN, JIS
, BS and ASTM regulations.

Parts include, but are not limited to:
Grommet, sleeve, feet, gasket, wheel, bellow, cap, dust cover, pad, washer, Strip, plug, stopper, grip,
seal, bushing, bumper, blocks, and anti vibration mounts etc.

FAQ

1. What types of rubber do you use?

Xihu (West Lake) Dis. Rubber has extensive experience in a vast range of rubber, including: Natural Rubber, SBR, CR, NBR, HNBR,
EPDM, Silicone Rubber, FPM, ACM, FK etc.

2. What types of plastic do you use?
Xihu (West Lake) Dis. Rubber has extensive experience in a vast range of plastics, including: ABS, Polypropylene (PP), PVC, POM,
PE, PEEK, Polyamide (PA) Nylons, PBT, etc.

3. What services do you provide?
We offer a broad range of services, including, Custom Rubber Molding, Liquid Injection Molding, Rubber Extrusion, and
Rubber/Plastic to Metal Bonded Parts.

4. Why us?
4.1 More than 15 years professional manufacture experience.
4.2 Professional R&D team, production team, sales team, after-sales service team.
4.3 Superior performance with most competitive price.
4.4 Faster delivery time.

5. Perfect quality control process
5.1 Raw material inspection 
      All raw materials before warehousing must be tested, and the corresponding physical property report shall be issued,
and compared with the physical property report of raw materials. Only when the test values of the 2 physical property
reports are consistent, can they be warehoused.

5.2 Mold inspection
      After mold development or cleaning, we will check the full size of the mold to ensure that the quality of each cavity is
the same.

5.3 Product inspection
      In the process of product production, inspectors regularly inspect the semi-finished products to ensure the rationality
of the process and control the defective rate within a reasonable range.

5.4 Finished product inspection
      The double inspection can ensure that the product appearance and size are 100% qualified.

jaw coupling

Minimizing Wear and Tear on Connected Components with Jaw Couplings

A jaw coupling plays a critical role in minimizing wear and tear on connected components by providing several key benefits:

  • Shock Absorption: Jaw couplings have a flexible elastomeric element between the two hubs, which acts as a cushion and absorbs shocks and vibrations. When the connected machinery experiences sudden jolts or impacts, the jaw coupling helps dampen these forces, protecting the equipment from damage and reducing wear on components.
  • Misalignment Compensation: In mechanical systems, misalignment between shafts is a common issue that can lead to premature wear on components. Jaw couplings can tolerate a certain degree of angular, parallel, and axial misalignment, allowing for better alignment between the driving and driven components. This feature helps distribute forces more evenly and reduces stress on connected components.
  • Resilience to Overloads: Jaw couplings can withstand temporary overloads, such as starting torque or sudden load spikes, without causing damage to the connected equipment. The elastomeric element of the jaw coupling acts as a torque limiter, protecting the machinery from excessive loads and preventing wear and tear.
  • Backlash Prevention: Backlash, which is the play or clearance between mating gears or components, can cause impact forces during reversing motions. Jaw couplings offer low backlash performance, reducing the potential for impact and minimizing wear on gears and other components.
  • Reduced Maintenance: By providing shock absorption, misalignment compensation, overload protection, and low backlash, jaw couplings help extend the service life of connected components. This, in turn, reduces the frequency of maintenance and replacement, leading to cost savings and increased productivity.
  • Smooth Power Transmission: Jaw couplings transmit power smoothly between the driving and driven shafts, resulting in less stress on components. The torsional flexibility of the elastomeric element helps prevent abrupt torque spikes, contributing to improved component longevity.

Overall, the jaw coupling’s ability to absorb shocks, compensate for misalignment, handle overloads, and provide smooth power transmission makes it an effective solution for minimizing wear and tear on connected components. Regular inspection and maintenance of the jaw coupling are still essential to ensure its optimal performance and extend the life of the entire mechanical system.

jaw coupling

How does a jaw coupling help in torque and rotational speed control?

A jaw coupling plays a vital role in torque and rotational speed control by facilitating efficient power transmission while compensating for misalignments and dampening vibrations. Here’s how a jaw coupling helps in achieving torque and rotational speed control:

  • Torque Transmission: Jaw couplings are designed to transmit torque between two shafts with minimal power loss. The elastomer spider, which acts as the flexible element between the two coupling hubs, efficiently transfers torque from one shaft to the other. This precise torque transmission is essential in maintaining consistent rotational motion and controlling the speed of the driven equipment.
  • Misalignment Compensation: In rotating machinery, misalignments between the motor and driven equipment are common due to factors like installation errors, thermal expansion, or shaft deflection. Jaw couplings can handle both angular and parallel misalignments. By accommodating these misalignments, jaw couplings ensure smooth operation and prevent unnecessary stress on the equipment, thus contributing to torque and rotational speed control.
  • Vibration Damping: Vibrations are an inherent characteristic of rotating machinery and can affect torque and rotational speed stability. The elastomer spider in the jaw coupling acts as a damping element, absorbing and dissipating vibrations. This vibration damping capability reduces the risk of speed fluctuations and enhances overall system stability during operation.
  • Start-Up and Overload Protection: During start-up or when the driven equipment experiences sudden overload conditions, there may be spikes in torque and rotational speed. Jaw couplings, with their torsional flexibility, can absorb these sudden torque variations, protecting the equipment from damage and providing smoother start-up and operation.

The combination of precise torque transmission, misalignment compensation, vibration damping, and overload protection makes jaw couplings effective in achieving torque and rotational speed control. However, it is essential to choose the appropriate jaw coupling size and material for the specific application to ensure optimal performance and reliability.

For applications that require even higher torque capacity or stricter speed control, specialized coupling types like gear couplings or servo couplings may be more suitable. These couplings offer advanced features for precision motion control and torque transmission in more demanding applications.

jaw coupling

Use of Jaw Couplings in Horizontal and Vertical Shaft Arrangements

Jaw couplings are versatile and can be used in both horizontal and vertical shaft arrangements. Their flexible and misalignment-absorbing design makes them suitable for various applications in different orientations.

Horizontal Shaft Arrangements: In horizontal shaft arrangements, the shafts are positioned parallel to the ground. Jaw couplings are commonly employed in this configuration to connect two shafts, such as those found in motor-driven systems, conveyor belts, and pumps.

Vertical Shaft Arrangements: In vertical shaft arrangements, the shafts are positioned perpendicular to the ground, one above the other. Jaw couplings can also be used in this setup to transmit power between the two vertically aligned shafts. Examples of applications with vertical shaft arrangements include some types of gearboxes, vertical pumps, and certain types of compressors.

It’s important to note that when using jaw couplings in vertical shaft arrangements, the weight of the connected equipment can impose axial loads on the coupling. In such cases, the coupling should be selected to handle both the radial and axial loads to ensure reliable performance.

Whether in horizontal or vertical arrangements, jaw couplings provide a cost-effective and efficient method of power transmission while accommodating misalignment and reducing shock loads. However, it is essential to consider the specific application’s requirements and select the appropriate size and type of jaw coupling for optimal performance and longevity.

China Custom High Abrasion Resistant Flexible Rubber Jaw Shaft Star Coupling Element PU Coupling Spider  China Custom High Abrasion Resistant Flexible Rubber Jaw Shaft Star Coupling Element PU Coupling Spider
editor by CX 2023-09-28