Product Description
| Item No. | φD | L | φD3 | W | L1 | M | Tighten the strength(N.m) |
| SG7-5-C34- | 34 | 27 | 21.6 | 3 | 12 | M3 | 1.5 |
| SG7-5-C44- | 44 | 34 | 29.6 | 4 | 15 | M4 | 3.4 |
| SG7-5-C56- | 56 | 45 | 38 | 5 | 20 | M5 | 7 |
| SG7-5-C68- | 68 | 54 | 46 | 6 | 24 | M6 | 14 |
| SG7-5-C82- | 82 | 68 | 56 | 8 | 30 | M8 | 25 |
| Item No. | Rated torque | Maximum Torque | Max Speed | Inertia Moment | N.m rad | Tilting Tolerance | End-play | Weight:(g) |
| SG7-5-C34- | 2.8N.m | 5.6N.m | 6000prm | 3.8×10-6kg.m² | 1500N.m/rad | 1.0c | ±0.15mm | 38 |
| SG7-5-C44- | 8.7N.m | 17.4N.m | 6000prm | 14.5×10-6kg.m² | 3000N.m/rad | 1.0c | ±0.15mm | 84 |
| SG7-5-C56- | 25N.m | 50N.m | 6000prm | 48.5×10-6kg.m² | 4200N.m/rad | 1.0c | ±0.15mm | 132 |
| SG7-5-C68- | 55N.m | 110N.m | 6000prm | 126×10-6kg.m² | 6500N.m/rad | 1.0c | ±0.15mm | 232 |
| SG7-5-C82- | 80N.m | 160N.m | 6000prm | 565×10-6kg.m² | 8600N.m/rad | 1.0c | ±0.15mm | 420 |
Company Profile
HangZhou CHINAMFG Technology Co.,Ltd.is specialized in CNC machine tools accessories .The main products of our company are 4 axis rotary table,5 axis rotary table,water pump, chuck, coupling, end mill grinder,chipping machine,cutter barrel,three-color lamp,knife tower and other accessories With high precision and full varieties are deeply trusted and appreciated by customers.At the same time we have a strong sales team and experienced core service team.we are ready to provide CNC machine tool accessories one-stop solution for you,looking CHINAMFG to cooperating with you and going to a CHINAMFG situation.
FAQ
Q: How long is the quality guarantee?
A: One year guarantee.
Q: How long is the delivery time?
A: Generally it is 3-7 days if the goods are in stock. If the goods are not in stock, it will take 8-20 days.
Q: Do your products have a factory inspection before shipment?
A: 100% self-inspection before shipment.
Q: Can you provide some free samples?
A: Actually we have a very good price principle, when you make the bulk order then cost of sample will be return to you.
Q: What kind of packing do you send?
A: We use high quality cartons, internal environmental protection buffer material.
Q: What is our loading port?
A: Usually in ZheJiang port, or apply for other ports.
| To know more details, please contact us online |
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How does a flexible coupling handle electrical insulation between shafts?
Flexible couplings are typically not designed to provide electrical insulation between shafts. In most cases, flexible couplings are used solely for the purpose of transmitting mechanical power from one shaft to another while accommodating misalignment and absorbing shocks and vibrations. They do not offer any electrical isolation or insulation properties.
When electrical insulation is required between two rotating shafts in a system, additional components or specialized couplings are used. For applications where electrical isolation is necessary, insulated couplings or special insulation components can be employed. These types of couplings feature insulating materials, coatings, or designs that prevent electrical current from flowing between the connected shafts.
Insulated couplings can be beneficial in certain applications, such as electric motor drives or systems involving sensitive electronics. They help prevent stray currents, ground loops, and electrical interference that could potentially damage equipment or affect the accuracy of electronic signals. However, it is important to note that not all flexible couplings provide this electrical insulation capability, and users should carefully select couplings that meet the specific electrical isolation requirements of their application.
Summary: Flexible couplings, as standard mechanical components, do not inherently provide electrical insulation between shafts. They are primarily used for mechanical power transmission and misalignment compensation. If electrical insulation is needed between rotating shafts, insulated couplings or specialized components with insulating properties should be chosen to meet the specific requirements of the application.
Can flexible couplings be used in pumps, compressors, and fans?
Yes, flexible couplings can be used in pumps, compressors, and fans, and they are commonly employed in these types of rotating machinery. Flexible couplings offer several advantages that make them suitable for such applications:
- Misalignment Compensation: Pumps, compressors, and fans often experience misalignments due to various factors, such as thermal expansion, foundation settling, or component wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, helping to maintain proper alignment between the driving and driven components.
- Vibration Damping: Flexible couplings help dampen vibrations in rotating machinery, which is essential for smooth operation and reduced wear on components. In pumps, compressors, and fans, vibration control is crucial to prevent premature failure and maintain reliable performance.
- Shock Load Absorption: These rotating machines may encounter shock loads during startup or shutdown, especially in reciprocating equipment like reciprocating pumps or compressors. Flexible couplings can absorb and mitigate the impact of such loads, protecting the connected equipment from damage.
- Reduced Maintenance: Flexible couplings with elastomeric elements or other self-lubricating features require minimal maintenance, leading to cost savings and reduced downtime in pumps, compressors, and fans.
- Energy Efficiency: Certain flexible coupling designs, such as beam couplings or certain elastomeric couplings, have low mass and inertia. This characteristic helps improve the energy efficiency of rotating machinery, which is particularly beneficial in large-scale pumps, compressors, and fans used in industrial applications.
- Adaptability: Pumps, compressors, and fans often have varying operating conditions and load profiles. Flexible couplings are adaptable to different operating environments, making them suitable for diverse applications.
In summary, flexible couplings offer several performance-enhancing features that make them well-suited for use in pumps, compressors, and fans. Their ability to accommodate misalignment, dampen vibrations, absorb shocks, and reduce maintenance requirements contributes to improved reliability, efficiency, and longevity of the connected rotating machinery.
Are there any limitations or disadvantages of using flexible couplings?
While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:
- Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
- Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
- Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
- Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application’s environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
- Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
- Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
- Service Life: The service life of a flexible coupling can vary depending on the application’s conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling’s longevity and prevent unexpected failures.
Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.
editor by CX 2024-03-26