Claw Star Coupling

Structure of Claw Star Coupling

Claw star couplings are sometimes mistaken for quincunx couplings. They are almost similar in appearance after installation, but under the same model, star couplings bear a large torque. Holes and profiles can be made smaller.

Claw Star Coupling is limited by convex claw blocks. This coupling is made of engineering plastics as the elastic element. It is suitable for connecting two coaxial transmission shafts and has the ability to compensate for the relative offset of the two shafts. Cushioning, shock absorption, performance, suitable for a wide range of occasions, transmission torque 20-35000.N.M, working temperature -35~+80 degrees. The elastic element in the XLD star-shaped elastic coupling is engineering plastics, because the engineering plastics have good elasticity, cushioning, shock absorption, and performance, so they can well compensate for various displacements between the two drive shafts. The polyurethane elastomer of the star-shaped elastic coupling is limited by male claw blocks. Features: Backlash-free connection under prestressing, used for spindle drive, lifting platform and machine tools.

When the star-shaped elastic coupling is running at high speed, the radial movement caused by the centrifugal force will accelerate its wear and tear, and a shell is added. In addition to being able to prevent dust and oil, insufficient thinning may cause interference, and excessive thinning will weaken the strength of the tooth and cause a large backlash. The contact condition of the external teeth is based on the actual effect, which avoids the disadvantages of straight tooth edge extrusion and stress concentration under the condition of angular displacement. At the same time, the actual effect is based on the friction and wear of the tooth surface, reducing noise, The maintenance cycle is long. The tooth end of the outer gear sleeve of the star-shaped elastic coupling is in the shape of a horn, so it is not suitable for use under high-speed and impact load conditions, nor for the connection of vertical shafts. When designing the overall structure of the star elastic coupling, full attention should be paid to the lubrication and dust prevention between the tooth surface and the roller, as well as the safety protection function. Because if the chain breaks, it may cause personal accident. The radius of curvature of the bulging curve is proportional to the amount of thinning on one side of the inner teeth, that is, it is related to the meshing clearance of the teeth, which makes it easy to assemble and disassemble the inner and outer teeth.