Toe and Heel
In bevel gear pairs, they denote respectively the inner end of the tooth (toe, towards the cone apex) and the outer end (heel). The distribution of contact between toe and heel is critical for gear durability and noise.
In bevel gear pairs, they denote respectively the inner end of the tooth (toe, towards the cone apex) and the outer end (heel). The distribution of contact between toe and heel is critical for gear durability and noise.