Gears are among the oldest man-made components in the world. The first and oldest gear applications were already found in ancient times.
Due to the higher accuracy, machining processes are the preferred method for the industrial production of gears. Nowadays, hard-fine machining with non-defined cutting edge is increasingly used to improve the surface structure. The method offers numerous advantages, especially in terms of geometry and surface quality, since the finished transmission’s power transfer is significantly increased. This directly increases efficiency, which is associated with a reduced energy loss.