China factory Curved Jaw Type Flexible Coupling Sg7-11 Series Servo Motor Shaft Coupling motor coupling

Product Description

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Item No. φD L L1 W M Tighten the strength(N.m)
SG7-11-30- 30 50 18.5 13 M3(4) 1.2
SG7-11-40- 40 66 25 16 M4(6) 2.7
SG7-11-55- 55 78 30 18 M5(4) 6
SG7-11-65- 65 90 35 20 M5(6) 6
SG7-11-80- 80 114 45 24 M6(8) 10
SG7-11-95- 95 126 50 26 M8(4) 35
SG7-11-105- 105 140 56 28 M8(4) 35

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Item No. Rated torque Maximum Torque Max Speed Inertia Moment N.m rad Tilting Tolerance End-play Weight:(g)
SG7-11-30- 7.4N.m 14.8N.m 20000prm 8.7×10-4kg.m² 510N.m/rad 1.0c +0.6mm 50
SG7-11-40- 9.5N.m 19N.m 15000prm 1.12×10-3kg.m² 550N.m/rad 1.0c +0.8mm 120
SG7-11-55- 34N.m 68N.m 13000prm 4.5×10-3kg.m² 1510N.m/rad 1.0c +0.8mm 280
SG7-11-65- 95N.m 190N.m 10500prm 9.1×10-3kg.m² 2800N.m/rad 1.0c +0.8mm 450
SG7-11-80- 135N.m 270N.m 8600prm 1.9×10-2kg.m² 3600N.m/rad 1.0c +1.0mm 960
SG7-11-95- 230N.m 460N.m 7500prm 2.2×10-2kg.m² 4700N.m/rad 1.0c +1.0mm 2310
SG7-11-105- 380N.m 760N.m 6000prm 3.3×10-2kg.m² 5800N.m/rad 1.0c +1.0mm 3090

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motor coupling

Best Practices for Installing a Motor Coupling for Optimal Performance

Proper installation of a motor coupling is essential to ensure optimal performance and reliability of the power transmission system. Follow these best practices when installing a motor coupling:

1. Correctly Match Coupling Type:

Select a motor coupling type that is suitable for the specific application and operating conditions. Consider factors like torque requirements, misalignment tolerance, and environmental factors when choosing the coupling.

2. Ensure Proper Alignment:

Achieve precise alignment between the motor and driven equipment shafts before installing the coupling. Misalignment can lead to premature wear and reduced efficiency.

3. Check Shaft Endplay:

Verify that the shafts have the correct endplay to allow for thermal expansion and contraction. Inadequate endplay can lead to binding or increased stress on the coupling and connected components.

4. Clean Shaft Surfaces:

Ensure that the shaft surfaces are clean and free of any debris or contaminants before installing the coupling. Clean surfaces promote proper coupling engagement and reduce the risk of slippage.

5. Use Correct Coupling Fasteners:

Use the specified fasteners, such as bolts or set screws, provided by the coupling manufacturer. Tighten the fasteners to the recommended torque values to secure the coupling properly.

6. Verify Keyway Alignment:

If the coupling has a keyway, ensure that it aligns correctly with the key on the motor and driven equipment shafts. Proper keyway alignment prevents rotational slippage and ensures efficient torque transmission.

7. Lubrication:

If the coupling requires lubrication, apply the appropriate lubricant as recommended by the manufacturer. Proper lubrication reduces friction and wear on coupling components.

8. Perform Trial Run:

Before putting the system into full operation, perform a trial run to check for any abnormalities or vibrations. Monitor coupling performance and check for leaks, noises, or other signs of issues.

9. Regular Inspection and Maintenance:

Conduct regular inspections and maintenance on the motor coupling and the entire power transmission system. Check for wear, alignment, and any signs of damage, and address any issues promptly.

10. Follow Manufacturer Guidelines:

Always follow the manufacturer’s installation guidelines and recommendations for the specific coupling model. Manufacturer guidelines provide essential information for optimal performance and safe operation.

By adhering to these best practices, you can ensure that the motor coupling functions efficiently and contributes to the overall performance and reliability of the mechanical system.

“`motor coupling

Can Motor Couplings Handle Reversing Loads and Shock Loads Effectively?

Yes, motor couplings are designed to handle both reversing loads and shock loads effectively, making them suitable for a wide range of industrial applications. Here’s how motor couplings can handle these types of loads:

Reversing Loads:

Motor couplings are capable of transmitting torque in both forward and reverse directions. When the driven equipment experiences changes in direction, the motor coupling efficiently transfers torque from the motor to the driven equipment without any loss in performance. This capability is crucial in applications that require frequent changes in rotational direction, such as reversing drives in industrial machinery.

Shock Loads:

Motor couplings, especially those with elastomeric elements, have excellent shock-absorbing properties. When subjected to sudden shocks or impacts, such as during machine start-ups or sudden stops, the elastomeric material in the coupling helps dampen and absorb the impact energy. This protects the motor, driven equipment, and other components in the power transmission system from damage or excessive stress.

The ability of motor couplings to handle reversing loads and shock loads effectively is a result of their flexible and durable construction. Flexible couplings, in particular, can accommodate misalignments and absorb vibrations, further contributing to their ability to handle dynamic loads. However, it’s essential to consider the specific application’s requirements and select the appropriate coupling type and size that matches the expected reversing and shock load characteristics.

Proper installation, alignment, and regular maintenance of motor couplings are also critical factors in ensuring their optimal performance under reversing and shock load conditions. Regular inspection and monitoring can help identify any signs of wear or damage and allow for timely maintenance, contributing to the long-term reliability and efficiency of the power transmission system.

“`motor coupling

Can a Damaged Motor Coupling Lead to Motor or Equipment Failure?

Yes, a damaged motor coupling can lead to motor or equipment failure if not addressed promptly. Motor couplings play a critical role in connecting the motor to the driven equipment and transmitting torque between them. When a coupling is damaged, several potential issues can arise:

  • Reduced Torque Transmission: Cracks, wear, or deformation in the coupling can result in reduced torque transmission from the motor to the driven equipment. This may lead to inefficient operation and underperformance of the machinery.
  • Mechanical Vibrations: Damaged couplings can introduce vibrations into the system, leading to increased wear and fatigue on connected components, such as bearings and shafts. Excessive vibrations can cause premature failure of these parts.
  • Misalignment and Stress: If the coupling loses its ability to compensate for misalignment, it can subject the motor and driven equipment to increased stress and loading. This can result in premature wear and failure of bearings, shafts, and other components.
  • Overload on the Motor: In certain coupling designs, damage may result in a loss of overload protection. Without the safety mechanism, the motor may experience excessive loads, leading to overheating and possible motor failure.
  • Increased Downtime: A damaged coupling can cause unexpected breakdowns and unplanned downtime for repairs, affecting productivity and overall operational efficiency.
  • Safety Risks: In extreme cases, a severely damaged coupling may disintegrate during operation, posing safety risks to personnel and surrounding equipment.

To avoid motor or equipment failure due to a damaged coupling, regular maintenance and inspection are crucial. Visual inspections, vibration analysis, and monitoring of coupling performance can help identify signs of damage early on. If any issues are detected, it is essential to replace or repair the damaged coupling promptly to prevent further damage and ensure the reliable operation of the machinery.

Proper selection of high-quality couplings, appropriate for the specific application and operating conditions, can also reduce the likelihood of coupling failure and its potential impact on the motor and equipment.

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China factory Curved Jaw Type Flexible Coupling Sg7-11 Series Servo Motor Shaft Coupling   motor couplingChina factory Curved Jaw Type Flexible Coupling Sg7-11 Series Servo Motor Shaft Coupling   motor coupling
editor by CX 2024-05-17