Example of the operation of Three-piece Hirth Coupling

Example of the operation of two-piece Hirth Coupling

The Geometrical product specifications of 0.01mm,indexing accuracy of ±3", and Repeatability of 1".
It can also be customized to Geometrical product specifications of 0.003~0.005mm, indexing accuracy of ±2", and Repeatability of 1".

The standard materials used for the Hirth Coupling are SCM415 (15CrMo) and SCM440 (42CrMo).

The product offers a wide range of tooth counts for customers to choose from, and it can also accommodate special custom requirements for tooth counts not mentioned.

The Hirth Coupling of our company consists of straight teeth and helical teeth, with the helical portion represented by X pieces and the straight portion represented by V pieces. The standard meshing angle is 30 degrees, but can also be customized to 20 degrees or 10 degrees according to customer requirements. If customers have interchangeability requirements, we can also accommodate those.