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 |
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| 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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How do Clamp Couplings Contribute to Reducing Backlash and Resonance in Rotating Machinery?
Clamp couplings play a crucial role in reducing backlash and resonance in rotating machinery, enhancing the overall performance and reliability of the system. Here’s how they achieve this:
1. Backlash Reduction:
Backlash is the play or clearance between mating components in a mechanical system. In rotating machinery, backlash can lead to lost motion, reduced precision, and inefficiencies. Clamp couplings offer several features that help minimize backlash:
- Zero-Backlash Design: Some clamp couplings are designed with a split hub and a clamping mechanism that ensures a tight fit around the shafts. This zero-backlash design eliminates any clearance between the coupling and the shafts, reducing or even eliminating backlash.
- High Clamping Force: Clamp couplings exert a strong clamping force on the shafts, ensuring a secure and rigid connection. This prevents any relative movement between the coupling and the shafts, further reducing backlash.
2. Resonance Damping:
Resonance occurs when the natural frequency of a rotating system matches the frequency of external forces or disturbances. This can lead to excessive vibrations and potential damage to the machinery. Clamp couplings can help dampen resonance in the following ways:
- Material Selection: High-quality materials like stainless steel or aluminum alloy are commonly used in clamp couplings. These materials possess excellent damping properties, dissipating vibrations and minimizing resonance effects.
- Precision Machining: Clamp couplings are precisely machined to maintain balance and reduce vibration during operation. Balanced couplings minimize the likelihood of resonant frequencies being excited, contributing to a smoother operation.
- Torsional Stiffness: Clamp couplings offer controlled torsional stiffness, which helps prevent the buildup of excessive vibration amplitudes and reduces resonance occurrences.
3. Misalignment Compensation:
Another factor contributing to backlash and resonance is misalignment between shafts. Clamp couplings can accommodate a certain degree of angular, parallel, and axial misalignments, reducing the impact of misalignment-induced backlash and vibrations.
Overall, clamp couplings provide a secure and precise connection between shafts, minimizing backlash and resonance in rotating machinery. By choosing the appropriate clamp coupling based on the specific requirements of the application, engineers can optimize the performance and efficiency of the rotating system.
Differences between Clamp Couplings Made from Different Materials
Clamp couplings can be manufactured from various materials, each offering unique characteristics and suitability for different applications. Here are the main differences between clamp couplings made from aluminum, steel, and plastic:
- Aluminum Clamp Couplings: Aluminum clamp couplings are lightweight and offer excellent corrosion resistance. They are often used in applications where weight reduction is crucial, such as in aerospace and automotive industries. However, aluminum has lower tensile strength compared to steel, making it less suitable for heavy-duty or high-torque applications.
- Steel Clamp Couplings: Steel clamp couplings are known for their strength and durability. They can handle higher torque loads and are well-suited for heavy machinery, industrial equipment, and power transmission applications. Steel couplings are available in various grades, and surface treatments can further enhance their corrosion resistance.
- Plastic Clamp Couplings: Plastic clamp couplings are lightweight and cost-effective. They are commonly used in applications where weight is a concern, and the torque requirements are relatively low. Plastic couplings may offer good chemical resistance and electrical insulation properties, but they may not be as durable as metal couplings and are not suitable for high-load or high-temperature applications.
Considerations: When selecting a clamp coupling material, consider the specific requirements of your application:
- Load and Torque: Choose a material that can handle the expected load and torque of your application without exceeding the material’s limitations.
- Environment: Consider the operating environment, including exposure to chemicals, moisture, and temperature fluctuations, to ensure the chosen material can withstand these conditions.
- Cost and Weight: Balance the cost-effectiveness and weight-saving benefits of materials like aluminum and plastic against the strength and durability of steel.
Ultimately, the material selection for clamp couplings should be based on the specific demands of the application to ensure optimal performance and longevity.
Advantages of Using a Clamp Coupling
A clamp coupling offers several advantages compared to other types of couplings, making it a popular choice in various mechanical systems:
- Easy Installation: Clamp couplings are simple to install and require minimal tools and expertise. The design allows for quick assembly and disassembly, making maintenance and shaft replacement convenient.
- Cost-Effective: With a straightforward design and fewer components, clamp couplings are cost-effective to manufacture and purchase.
- High Torque Transmission: Clamp couplings can handle high torque loads, making them suitable for heavy-duty applications in industries like manufacturing, mining, and construction.
- Zero Backlash: The clamping mechanism ensures a tight fit between the shafts and the hubs, resulting in zero backlash. This feature is vital for applications that require accurate and precise motion transfer.
- Flexibility: Clamp couplings can accommodate different shaft sizes and materials, providing flexibility in system design and shaft compatibility.
- Compact Design: The compact and lightweight design of clamp couplings makes them ideal for applications with space constraints.
- No Lubrication Needed: Unlike some other couplings, clamp couplings do not require lubrication, reducing maintenance requirements and eliminating the risk of leakage or contamination in certain environments.
- High Misalignment Tolerance: Clamp couplings can handle moderate levels of angular, parallel, and axial misalignment, ensuring reliable operation even when shafts are not perfectly aligned.
- Reduced Downtime: The ease of installation and maintenance of clamp couplings contributes to reduced downtime during equipment repairs or replacements.
Due to these advantages, clamp couplings are widely used in various industries and mechanical setups for their simplicity, reliability, and cost-effectiveness in transmitting torque and rotational motion between shafts.
editor by CX 2024-03-11