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Structural advantages of serpentine spring coupling

Introduce:
The serpentine spring coupling uses polyurethane plastic as the elastic element and is closely combined with the main body of the two-half coupling. (Assembly diagram) the main body is mostly made of 45# steel, and there are also stainless steel bodies, which can be customized according to customer requirements. The material is well-proportioned, which avoids the uneven rotation caused by the uneven material. The surface is blackened and anti-rust. (Main body comparison picture) The middle polyurethane plastic component is prepared with a unique formula, which has high wear resistance, high temperature resistance, good toughness, and stable and durable quality compared with ordinary plastic parts (comparison picture). The plastic element is star-shaped. Serpentine spring couplings are widely used in general machinery, hydraulic machinery, engineering machinery, metallurgical machinery, mining machinery, chemical machinery and other occasions.

Advantages of serpentine spring couplings:
1. The main shaft sleeve is made of aluminum alloy, which is light in size
2. The cross slider in the middle can be selected in a variety of different colors
3. Easy installation, maintenance-free, anti-oil, anti-corrosion and electrical insulation
4. High torque, high rigidity and high sensitivity coupling with simple structure
5. Large radial and axial deviations are allowed
6. Absorb relatively high transmission torque
7. Long life, safe and reliable performance
8. Not suitable for high-speed transmission field
9. Production process: fine car parts, surface treatment: natural anodized treatment, the diaphragm coupling can compensate the shaft between the main machine and the driven machine due to the influence of manufacturing errors, installation errors, bearing deformation and temperature rise changes, etc. radial, radial and angular offsets.

Summarize:
In the structural design and series design of the serpentine spring coupling, the size of the transmitted torque, the structure of the coupling and the strength of the hub are used as the basis to determine the shaft hole range of the coupling of each specification and the long snake spring coupling of the shaft hole. The allowable speed range of the shaft coupling is determined by calculation according to the allowable linear speed and outer edge size of different materials of the shaft coupling. The allowable speed range of snake spring couplings with different materials, varieties and specifications is different. Changing the material of the coupling can increase the allowable speed range of the coupling. The allowable speed range of the material is steel is greater than that of cast iron. Rotating speed. If the coupling is used for the working condition of n>5000r/min, the influence factors such as the centrifugal force on the outer edge of the coupling and the deformation of the elastic element should be considered, and dynamic balance should be performed. Non-metallic elastic element elastic couplings should not be used at high speeds. Elastic elements are deformed at high speeds. High-precision flexible couplings should be used. Foreign couplings for high speeds are nothing more than diaphragm couplings and high-speed couplings. Precision drum gear coupling.
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