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 |
Use of Jaw Couplings in Food Processing and Pharmaceutical Industries
Jaw couplings can be used in food processing and pharmaceutical industries under certain conditions and with the appropriate materials and design considerations. These industries have strict regulations and requirements regarding hygiene, contamination prevention, and cleanability. Here are some key factors to consider:
- Material Selection: For applications in food processing and pharmaceutical industries, jaw couplings must be made from materials that meet FDA and/or other regulatory standards for food contact and pharmaceutical use. Stainless steel or FDA-approved plastics are commonly used in such applications.
- Cleanability: The design of the jaw coupling should allow for easy cleaning and sanitization. Smooth surfaces and minimal crevices help prevent the accumulation of debris and bacteria. Hygienic designs are crucial to ensure compliance with industry standards.
- Sealing: Proper sealing is essential to prevent any lubricants or contaminants from escaping the coupling and coming into contact with the processed materials. Seal materials must be compatible with the substances used in the industry.
- Corrosion Resistance: In food processing and pharmaceutical environments, equipment is often subjected to aggressive cleaning agents and chemicals. Jaw couplings must be corrosion-resistant to withstand these harsh conditions and maintain their performance over time.
- Compliance with Regulations: Industries such as food processing and pharmaceuticals have specific regulatory standards, such as those set by the FDA (Food and Drug Administration) or other relevant authorities. The jaw couplings used in these applications must meet all necessary regulations to ensure product safety and consumer confidence.
It is important to note that while jaw couplings can be suitable for certain applications in food processing and pharmaceutical industries, it is essential to work closely with coupling manufacturers and suppliers to ensure that the selected couplings meet all industry-specific requirements and standards. Additionally, regular maintenance and inspection should be carried out to ensure the couplings continue to perform as expected and comply with hygiene and safety regulations.
What are the factors influencing the thermal performance of a jaw coupling?
The thermal performance of a jaw coupling is influenced by several factors that affect its ability to dissipate heat and handle temperature fluctuations during operation. Here are the key factors that can impact the thermal performance of a jaw coupling:
- Material Selection: The choice of materials used in the construction of the jaw coupling plays a significant role in its thermal performance. High-quality materials with good thermal conductivity can efficiently dissipate heat, reducing the risk of overheating and premature wear. Common materials used in jaw couplings include steel, aluminum, and various elastomers.
- Elastomer Spider: The elastomer spider in the jaw coupling is a crucial component that can influence thermal performance. The type of elastomer and its specific characteristics, such as hardness and thermal conductivity, can affect the coupling's ability to absorb and dissipate heat generated during operation.
- Operating Speed: The rotational speed of the coupling impacts its thermal performance. Higher operating speeds can generate more heat due to increased friction and stress on the coupling components. It is essential to ensure that the jaw coupling is rated for the specific operating speed of the application to prevent overheating and premature failure.
- Torque and Load: The torque and load applied to the jaw coupling can also influence its thermal performance. Higher torque and load levels can result in increased heat generation. Properly sizing the coupling based on the application's torque and load requirements is essential to prevent excessive heat buildup.
- Operating Environment: The environment in which the jaw coupling operates can impact its thermal performance. For example, if the coupling is located in an area with limited airflow or high ambient temperatures, it may experience reduced heat dissipation capabilities. On the other hand, an environment with good ventilation can help in maintaining the coupling's thermal performance.
- Lubrication: Some jaw couplings may require lubrication to reduce friction and heat generation. Proper lubrication can enhance the coupling's thermal performance and extend its service life. It is essential to follow the manufacturer's guidelines regarding the type and frequency of lubrication to ensure optimal performance.
- Continuous vs. Intermittent Operation: The thermal performance of a jaw coupling can also be influenced by the nature of its operation—continuous or intermittent. Intermittent operation allows the coupling to cool down between cycles, reducing the overall heat buildup compared to continuous operation, which may lead to higher operating temperatures.
Overall, careful consideration of these factors is crucial in ensuring the efficient thermal performance of a jaw coupling. Proper selection, installation, and maintenance of the coupling based on the specific application requirements can help prevent overheating, reduce wear, and prolong the coupling's lifespan.
Selecting the Appropriate Jaw Coupling Size
Choosing the right jaw coupling size for a specific application involves considering several factors:
- Torque Requirements: Determine the maximum torque that the coupling will need to transmit in the application. Make sure to account for any peak or intermittent loads.
- Shaft Diameter: Measure the diameter of the shafts to be connected. The coupling's bore size should match the shaft diameter for proper fit and secure power transmission.
- Speed: Consider the rotational speed of the application. High-speed applications may require special high-speed jaw couplings.
- Misalignment Compensation: Evaluate the level of misalignment present in the system, including angular, parallel, and axial misalignment. Choose a jaw coupling with appropriate misalignment capabilities to avoid premature wear and failures.
- Environmental Factors: Assess the environmental conditions, such as temperature, humidity, and presence of chemicals or contaminants, as these factors can impact the coupling's material selection and performance.
- Service Factors: Some applications may have service factors that affect the required torque capacity. Apply service factors as needed to ensure the coupling can handle the application's demands.
- Space Constraints: Consider the available space for the coupling. Ensure that the selected jaw coupling can fit within the given space constraints.
- Compliance with Standards: If applicable, verify that the chosen jaw coupling meets industry or application-specific standards and regulations.
By taking these factors into account, engineers and designers can determine the appropriate jaw coupling size that will provide reliable and efficient power transmission in the specific application.
editor by CX 2023-10-05