China wholesaler Sg7-8 Series Aluminum Alloy CNC Single Disk Type Customized Disc Flexible Coupling

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Product Description

Item No. φD L W L1 M Tighten the strength(N.m)
SG7-8-C19- 19.5 20 1.2 9.4 M2.5 1
SG7-8-C26- 26 25.5 2.5 11.5 M3 1.5
SG7-8-C34- 34 32.3 3.3 14.5 M4 1.5
SG7-8-C39- 39 34.1 4.1 15 M4 2.5
SG7-8-C44- 44 34.5 4.5 15 M4 2.5
SG7-8-C50- 50 40.5 4.5 18 M5 7
SG7-8-C56- 56 45 5 20 M5 7
SG7-8-C68- 68 54 6 24 M6 12
SG7-8-C82- 82 68 8 30 M8 16
SG7-8-C94- 94 68 8 30 M8 28
SG7-8-C104- 104 70 10 30 M8 28

Item No. Rated torque Maximum Torque Max Speed Inertia Moment N.m rad RRO Tilting Tolerance End-play Weight:(g)
SG7-8-C19- 1N.m 2N.m 10000prm 0.65×10-6kg.m² 200N.m/rad 0.04mm 1c ±0.2mm 12
SG7-8-C26- 1.4N.m 2.8N.m 10000prm 1.8×10-6kg.m² 690N.m/rad 0.04mm 1c ±0.2mm 31
SG7-8-C34- 2.8N.m 5.6N.m 10000prm 7.2×10-6kg.m² 1650N.m/rad 0.04mm 1c ±0.2mm 64
SG7-8-C39- 5.8N.m 11.6N.m 10000prm 1.8×10-5kg.m² 2500N.m/rad 0.04mm 1c ±0.2mm 97
SG7-8-C44- 8.7N.m 17.4N.m 10000prm 2.5×10-5kg.m² 2900N.m/rad 0.04mm 1c ±0.2mm 113
SG7-8-C50- 15N.m 30N.m 10000prm 8.2×10-5kg.m² 6700N.m/rad 0.04mm 1c ±0.2mm 195
SG7-8-C56- 25N.m 50N.m 10000prm 1×10-4kg.m² 8400N.m/rad 0.04mm 1c ±0.2mm 263
SG7-8-C68- 55N.m 110N.m 10000prm 1.9×10-4kg.m² 11500N.m/rad 0.04mm 1c ±0.2mm 445
SG7-8-C82- 80N.m 160N.m 10000prm 7×10-4kg.m² 14550N.m/rad 0.04mm 1c ±0.2mm 892
SG7-8-C94- 185N.m 370N.m 10000prm 1.23×10-3kg.m² 16900N.m/rad 0.04mm 1c ±0.2mm 950
SG7-8-C104- 255N.m 510N.m 10000prm 1.86×10-3kg.m² 25100N.m/rad 0.04mm 1c ±0.2mm 1190

disc coupling

Indicators of Wear or Damage in Disc Couplings

Disc couplings can exhibit signs of wear or damage over time due to factors like misalignment, overloading, or general usage. Detecting these issues early is crucial for preventing further damage. Some common indicators of wear or damage in disc couplings include:

  • Vibration: Excessive vibration during operation can signal misalignment, component wear, or imbalance in the disc coupling.
  • Noise: Unusual noises like clicking, clanking, or rattling can indicate wear, misalignment, or damage in the coupling components.
  • Heat Generation: Excessive heat near the coupling area can suggest friction or misalignment issues.
  • Reduced Performance: Decreased efficiency, torque transmission, or system performance may point to coupling wear or damage.
  • Visual Inspection: Look for signs of visible wear, corrosion, cracks, or deformation on the coupling components.

To detect these signs of wear or damage, regular visual inspections, vibration analysis, and performance monitoring are essential. Early detection allows for timely maintenance or replacement of the affected components, ensuring the continued reliability and safety of the disc coupling and the machinery it serves.

disc coupling

Customization of Disc Couplings for Specific Machinery Requirements

Disc couplings can indeed be customized to match specific machinery requirements and limitations:

  • Size and Configuration: Disc couplings can be tailored in terms of size and disc configuration to accommodate space restrictions and torsional load demands.
  • Material Selection: The choice of materials for the disc packs can be customized to ensure compatibility with the operational environment, such as temperature, corrosion resistance, and other factors.
  • Performance Parameters: Disc couplings can be designed to meet specific performance parameters, including torque capacity, misalignment accommodation, and torsional stiffness.
  • Attachment and Hub Designs: The attachment mechanisms and hub designs can be customized to seamlessly integrate with the existing machinery components.
  • Specialized Applications: Manufacturers can create disc couplings with unique features for specialized applications, such as those requiring higher precision, critical alignment, or specific levels of vibration dampening.

Through customization, disc couplings can effectively address the unique requirements and limitations of various machinery systems, enhancing their performance and reliability.

disc coupling

Function of Disc Couplings in Torque Transmission and Misalignment Compensation

Disc couplings are designed to transmit torque between two shafts while accommodating various forms of misalignment. The primary components of a disc coupling include two hubs and a flexible disc element made of a resilient material such as stainless steel. Here’s how a disc coupling works to transmit torque and handle misalignment:

  • Torque Transmission: When torque is applied to one hub of the disc coupling, it induces angular displacement in the flexible disc. The flexible disc element bends slightly, allowing the torque to be transmitted from one hub to the other. This bending action of the disc results in an elastic deformation, which helps maintain the torque transfer.
  • Angular Misalignment Compensation: Disc couplings can accommodate angular misalignment between the two connected shafts. As the hubs are misaligned angularly, the flexible disc element compensates by bending at an angle. The disc’s flexibility and the elastic properties of the material allow it to absorb and accommodate the angular misalignment without transmitting excessive forces to the connected machinery.
  • Parallel Misalignment Compensation: In cases of parallel misalignment, where the axes of the two shafts are not perfectly aligned, the disc coupling can also absorb a certain degree of parallel offset. The flexibility of the disc allows for slight axial movement, ensuring that the hubs remain connected even when there’s a minor parallel misalignment.
  • Torsional Stiffness: While disc couplings are designed to accommodate misalignment, they also exhibit torsional stiffness. This means that under normal operating conditions, the disc coupling remains rigid enough to efficiently transmit torque between the shafts, minimizing torsional deflection and maintaining the integrity of torque transfer.

The design and material properties of the flexible disc element play a crucial role in determining the coupling’s ability to handle misalignment while transmitting torque effectively. Disc couplings are widely used in various industrial applications where torque transmission and misalignment compensation are critical requirements.

China wholesaler Sg7-8 Series Aluminum Alloy CNC Single Disk Type Customized Disc Flexible Coupling  China wholesaler Sg7-8 Series Aluminum Alloy CNC Single Disk Type Customized Disc Flexible Coupling
editor by CX 2023-08-09

disc coupling

As one of leading disc coupling manufacturers, suppliers and exporters of products, We offer disc coupling and many other products.

Please contact us for details.

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Manufacturer supplier exporter of disc coupling

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