Product Description
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
| 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 |
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
| 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 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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.
“`
Comparing Motor Couplings with Direct Drives and Other Power Transmission Methods
Motor couplings, direct drives, and other power transmission methods each have their advantages and disadvantages, making them suitable for different applications. Let’s compare these methods in terms of various factors:
1. Efficiency:
Motor couplings generally offer high efficiency in power transmission since they provide a direct mechanical connection between the motor and driven equipment. In contrast, direct drives can also be efficient as they eliminate the need for intermediate components.
2. Misalignment Compensation:
Motor couplings are designed to accommodate misalignments between the motor and driven equipment shafts, making them suitable for applications where misalignment is expected. Direct drives, on the other hand, require precise alignment between the motor and driven equipment.
3. Maintenance:
Motor couplings often have minimal maintenance requirements since they do not have intricate components. Direct drives can be maintenance-free as well since they eliminate the need for belts, chains, or gears.
4. Backlash:
Motor couplings typically have low or zero backlash, ensuring precise torque transmission. Direct drives also offer low or no backlash since there are no intermediate components to introduce play.
5. Cost:
Motor couplings are generally more cost-effective compared to direct drives, which may involve higher initial investment in specialized components. However, the overall cost may vary depending on the application and system requirements.
6. Space and Size:
Motor couplings are compact and can fit in tight spaces, making them suitable for applications with limited room. Direct drives may require more space, depending on their design and motor size.
7. Shock Absorption:
Motor couplings, especially those with elastomeric elements, can absorb shocks and vibrations, protecting the motor and driven equipment. Direct drives may not have the same level of shock absorption.
8. Torque Transmission:
Both motor couplings and direct drives are efficient in torque transmission. However, some direct drives may offer higher torque capacity for heavy-duty applications.
9. Installation Complexity:
Motor couplings are generally easier to install compared to direct drives, which may involve more intricate assembly and alignment procedures.
10. Application:
Motor couplings are versatile and can be used in various industrial setups, especially when misalignment compensation is required. Direct drives are commonly found in applications where high precision and direct mechanical connection are crucial.
Ultimately, the choice between motor couplings, direct drives, and other power transmission methods depends on the specific needs and constraints of the application. Each method offers distinct advantages, and selecting the most suitable option requires careful consideration of the application’s requirements, space limitations, budget, and maintenance preferences.
“`
How to Diagnose and Fix Common Issues with Motor Couplings
Diagnosing and fixing common issues with motor couplings is essential to ensure optimal performance and prevent equipment failures. Here are steps to diagnose and address common coupling problems:
1. Visual Inspection:
Perform a visual inspection of the motor coupling regularly. Look for signs of wear, cracks, or any visible damage. Check for proper alignment and coupling installation.
2. Vibration Analysis:
Use vibration analysis to identify abnormal vibrations in the coupling or connected machinery. Excessive vibration can indicate misalignment, damaged coupling elements, or worn components.
3. Check for Misalignment:
Verify the alignment between the motor and driven equipment shafts. Misalignment can lead to coupling failure and increased stress on the machinery. Adjust the alignment if necessary.
4. Listen for Unusual Noises:
Listen for any unusual noises during motor operation, such as rattling or grinding sounds. Unusual noises may indicate a loose coupling or damaged components.
5. Inspect Coupling Fasteners:
Check the tightness of coupling fasteners, such as bolts or set screws. Loose fasteners can lead to misalignment and coupling slippage.
6. Lubrication:
If the coupling requires lubrication, ensure it is adequately lubricated. Lack of lubrication can cause increased friction and wear, leading to premature failure.
7. Replace Damaged Components:
If you find any signs of damage or wear during inspection, replace the damaged coupling elements promptly. This may include replacing elastomeric inserts, worn gear teeth, or other damaged parts.
8. Verify Torque Limiting (if applicable):
If the coupling has torque-limiting features, check that they are functioning correctly. These features protect the motor and equipment from overload situations.
9. Monitor Coupling Performance:
Regularly monitor the coupling’s performance to detect any changes or issues early on. Continuous monitoring can prevent more severe problems and reduce downtime.
10. Seek Professional Help:
If you are unsure about diagnosing or fixing a coupling issue, consider seeking assistance from a qualified technician or engineer.
By conducting regular inspections and addressing any problems promptly, you can extend the lifespan of the motor coupling and maintain the efficiency and reliability of the entire power transmission system.
“`
editor by CX 2024-05-14
by
Tags:
Leave a Reply