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.

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jaw coupling

Electrical Insulation in Jaw Couplings

Jaw couplings are designed to provide mechanical connection between two shafts while also maintaining electrical insulation. This feature is essential in applications where the connected shafts have different electrical potentials or where electrical isolation is required to prevent current flow between the shafts.

The electrical insulation in jaw couplings is primarily achieved through the use of non-conductive materials for the jaw components. The jaws of the coupling are typically made from materials such as elastomers or plastics, which are excellent electrical insulators. These non-conductive materials prevent electrical conduction between the two shafts, even if they are made from different conductive materials.

Additionally, the design of the jaw coupling ensures that the two shafts do not come into direct electrical contact with each other. The jaws of the coupling create a gap between the shafts, which further enhances the electrical insulation.

It’s important to note that while jaw couplings provide electrical insulation, their primary function is to transmit torque and accommodate misalignment between shafts. If specific electrical insulation requirements are critical for an application, additional measures such as insulating sleeves or shaft grounding may be necessary in conjunction with the jaw coupling.

Overall, jaw couplings are a reliable and widely used choice for mechanical power transmission while ensuring electrical isolation between connected shafts.

jaw coupling

Can jaw couplings be used in applications with high shock and impact loads?

Yes, jaw couplings can be used in applications with high shock and impact loads, but their suitability depends on the specific design and construction of the coupling as well as the magnitude and frequency of the shock and impact loads. Jaw couplings are known for their ability to handle certain levels of shock and vibration due to the presence of the elastomer spider, which acts as a damping element to absorb and dissipate vibrations. However, there are some important considerations to take into account when using jaw couplings in high shock and impact load applications:

  1. Coupling Material: The choice of coupling material is crucial in applications with high shock and impact loads. Couplings made from robust materials, such as steel or alloy, provide better resistance to deformation and can handle higher impact forces compared to couplings made from less sturdy materials.
  2. Elastomer Spider: The elastomer spider is the central element of the jaw coupling and is responsible for absorbing shocks and vibrations. It is essential to select an elastomer spider with the appropriate hardness and resilience for the specific application. Harder elastomers can withstand higher loads but may transmit more vibration, while softer elastomers offer better shock absorption but have lower torque capacity. Choosing the right elastomer hardness is a trade-off between shock absorption and torque transmission requirements.
  3. Operating Conditions: Consider the operating conditions, such as the frequency and magnitude of shock and impact loads, when selecting a jaw coupling. For applications with intermittent or occasional shock loads, standard jaw couplings with moderate shock absorption capabilities may suffice. However, for continuous or severe shock loads, specialized high-torque jaw couplings with enhanced shock absorption properties might be more suitable.
  4. Regular Maintenance: In high shock and impact load applications, it is crucial to perform regular maintenance and inspections to identify any signs of wear, fatigue, or damage to the coupling components. Regular maintenance ensures that the coupling remains in good working condition and minimizes the risk of unexpected failures due to excessive loading.
  5. Consider Alternative Couplings: While jaw couplings can handle certain levels of shock and impact loads, some applications with exceptionally high loads may require more specialized couplings, such as grid couplings, gear couplings, or disc couplings. These couplings are designed explicitly for heavy-duty applications with high shock and impact loads and can offer superior performance and reliability under such conditions.

In conclusion, jaw couplings can be used in applications with high shock and impact loads, but the specific coupling design, material, elastomer hardness, and operating conditions must be carefully considered. Proper selection, installation, and maintenance of the coupling are essential to ensure reliable performance and longevity in challenging operating environments with significant shock and impact loads.

jaw coupling

Safety Considerations When Using Jaw Couplings in Rotating Machinery

While jaw couplings are generally safe to use in rotating machinery, there are some important safety considerations to keep in mind to ensure safe and reliable operation:

  • Proper Installation: Correct installation is crucial for the safe functioning of jaw couplings. The coupling should be mounted precisely in alignment with the shafts to prevent misalignment and minimize stress on the components.
  • Regular Maintenance: Regular inspection and maintenance are essential to identify signs of wear, misalignment, or damage. Any issues should be addressed promptly to prevent potential failures that may compromise safety.
  • Load Capacity: Ensure that the selected jaw coupling has an adequate load capacity for the specific application. Overloading the coupling can lead to premature failure and safety risks.
  • Operating Speed: Be mindful of the operating speed limitations of the jaw coupling. Operating the coupling beyond its maximum rated speed may result in excessive wear and potential hazards.
  • Environmental Factors: Consider the environmental conditions in which the jaw coupling will operate. Extreme temperatures, humidity, or corrosive substances may impact the coupling’s performance and longevity.
  • Emergency Shutdown: Implement an emergency shutdown procedure to quickly stop the machinery in case of any unexpected issues or safety concerns.
  • Guarding and Enclosure: Depending on the application, consider using protective guarding or enclosures to prevent accidental contact with rotating components and ensure operator safety.
  • Compliance with Standards: Follow industry standards and regulations relevant to the specific application to ensure compliance and adherence to safety guidelines.

By adhering to these safety considerations, operators and maintenance personnel can help minimize the risk of accidents, protect personnel from potential hazards, and ensure the reliable and safe operation of rotating machinery with jaw couplings.

China factory High Abrasion Resistant Flexible Rubber Jaw Shaft Star Coupling Element PU Coupling Spider  China factory High Abrasion Resistant Flexible Rubber Jaw Shaft Star Coupling Element PU Coupling Spider
editor by CX 2024-04-03