China manufacturer Aluminum Clamp Style Standard Flexible Elastic Rubber Spider Star Jaw Type Flexible Coupling

Product Description

Item No. φD L L1 L2 L3 S M Tighten the strength(N.m)
SG7-10-14- 15 20 6 6 3 1 M3 1
SG7-10-25- 26 26 8 8 4 1 M4 1.5
SG7-10-30- 32 32 10 9 5 1.5 M4 1.7
SG7-10-40- 40 50 17 12 8.5 2 M5 4
SG7-10-55- 56 58 20 14 10 2 M5 4
SG7-10-65- 66 62 21 15 10.5 2.5 M8 15
SG7-10-80- 82 86 31 18 15.5 3 M8 15
SG7-10-95- 98 94 34 20 17 3 M8 15
SG7-10-108- 108 123 46 24 23 3.5 M8 15

1111

Item No. Rated torque Maximum Torque Max Speed Inertia Moment N.m rad RRO Tilting Tolerance End-play Weight:(g)
SG7-10-14- 1.1N.m 2.2N.m 19000prm 3.9×10-4kg.m² 45N.m/rad 0.02mm 1.0c +0.6mm 20
SG7-10-25- 6.0N.m 12N.m 16000prm 6.8×10kg.m² 56N.m/rad 0.02mm 1.0c +0.6mm 25
SG7-10-30- 6.5N.m 13N.m 15000prm 8.3×10kg.m² 70N.m/rad 0.02mm 1.0c +0.6mm 46
SG7-10-40- 32N.m 64N.m 13000prm 9.3×10kg.m² 490N.m/rad 0.02mm 1.0c +0.8mm 135
SG7-10-55- 46N.m 92N.m 10500prm 3.8×10-3kg.m² 1470N.m/rad 0.02mm 1.0c +0.8mm 300
SG7-10-65- 109N.m 218N.m 8300prm 8×10kg.m² 2700N.m/rad 0.02mm 1.0c +0.8mm 570
SG7-10-80- 135N.m 270N.m 7000prm 1.5×10-2kg.m² 3100N.m/rad 0.02mm 1.0c +1.0mm 910
SG7-10-95- 260N.m 520N.m 6000prm 1.9×10kg.m² 4400N.m/rad 0.02mm 1.0c +1.0mm 1530
SG7-10-108- 430N.m 860N.m 5000prm 3×10kg.m² 5700N.m/rad 0.02mm 1.0c +1.0mm 2200

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spider coupling

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.

spider coupling

Are there any specific maintenance practices for ensuring the longevity of spider couplings?

Yes, implementing proper maintenance practices is crucial for ensuring the longevity and optimal performance of spider couplings. Here are some specific maintenance practices to consider:

  • Regular Inspections: Conduct routine visual inspections of the coupling to identify any signs of wear, damage, or misalignment. Regular inspections allow you to detect issues early and address them before they escalate.
  • Lubrication: Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant. Proper lubrication reduces friction, prevents excessive wear, and maintains coupling efficiency.
  • Alignment Checks: Ensure that the shafts connected by the coupling are properly aligned. Misalignment can accelerate wear and compromise coupling performance. Regular alignment checks are essential, especially after maintenance or changes in operating conditions.
  • Torque Checks: Periodically check the torque values of fasteners such as bolts, nuts, and screws that secure the coupling components. Proper torque ensures the coupling remains securely fastened.
  • Temperature Monitoring: Monitor the operating temperature of the coupling during normal operation. Abnormally high temperatures can indicate excessive friction and potential issues with the coupling.
  • Environmental Considerations: If the machinery is operating in harsh or corrosive environments, take appropriate measures to protect the coupling from contaminants, chemicals, and moisture.
  • Replacement of Elastomeric Spider: The elastomeric spider is a critical component of the coupling. Replace it if you notice signs of wear, cracks, tears, or deformation. Follow the manufacturer’s recommended replacement intervals.
  • Documentation: Maintain records of maintenance activities, inspections, and any repairs performed on the coupling. This documentation helps track the history of the coupling and informs future maintenance decisions.
  • Training and Education: Ensure that maintenance personnel are trained in proper coupling maintenance practices. This includes handling, installation, and lubrication procedures.

By adhering to these maintenance practices, you can extend the lifespan of spider couplings, reduce the likelihood of unexpected failures, and ensure the continued reliability of machinery systems.

spider coupling

What are the advantages of using a spider coupling in industrial applications?

Spider couplings offer several advantages that make them a popular choice for various industrial applications. Here are the key advantages:

  • Misalignment Compensation: Spider couplings can accommodate angular, axial, and parallel misalignments between connected shafts. This ability to compensate for misalignment reduces stress on components and extends equipment lifespan.
  • Flexibility: The elastomeric spider provides flexibility that allows for slight movements between the shafts. This flexibility helps prevent excessive wear, reduces vibration transmission, and minimizes the risk of component failure.
  • Vibration Dampening: The elastomeric material of the spider acts as a shock absorber, dampening vibrations generated by rotating machinery. This can lead to improved equipment performance, reduced noise, and enhanced operator comfort.
  • Easy Installation: Spider couplings have a simple design with minimal components, making them easy to install and replace. Their design eliminates the need for precise alignment during installation, saving time and effort.
  • Torque Transmission: Spider couplings efficiently transmit torque from one shaft to another, ensuring that power is effectively transferred between connected components.
  • Minimal Maintenance: Spider couplings require minimal maintenance due to their self-lubricating and wear-resistant elastomeric material. This reduces downtime and maintenance costs for industrial machinery.
  • Compact Design: Spider couplings have a compact and lightweight design, making them suitable for applications where space is limited. Their small size allows for easy integration into various systems.
  • Cost-Effective: Spider couplings are relatively inexpensive compared to other coupling types, making them a cost-effective solution for a wide range of industrial applications.
  • Electric Insulation: In applications where electrical isolation is important, spider couplings made from electrically insulating materials can prevent the transmission of electrical currents between shafts.
  • Wide Range of Sizes: Spider couplings are available in various sizes and configurations to accommodate different shaft diameters and torque requirements.

Due to these advantages, spider couplings are commonly used in industries such as manufacturing, automation, packaging, material handling, and more, where flexibility, misalignment compensation, and efficient torque transmission are essential for optimal equipment performance.

China manufacturer Aluminum Clamp Style Standard Flexible Elastic Rubber Spider Star Jaw Type Flexible Coupling  China manufacturer Aluminum Clamp Style Standard Flexible Elastic Rubber Spider Star Jaw Type Flexible Coupling
editor by CX 2024-05-14