Cutting tool for differential case processing, machine of differential case and processing method of differential case

摘要

A cutting tool 35 for differential case machining for attaching to a machine and cutting the spherical inner surface of the differential case 10, the cutting edge 51 protruding laterally from the shaft portion 50 and the shaft portion 50; And a fixing portion 53 for fixing the shaft portion 50 to the processing machine, and formed at the other end side of the shaft portion 50, and being formed on one end side of the shaft portion 50, to hold the shaft portion 50 in the processing machine. It is provided with a holding part 54 for cutting, and both the fixed part 53 and the holding part 54 can cut the inner surface of the spherical surface of the differential case 10 during rotation in both support states. Make sure