Patent ID: 6663471
Filing Date: 2003-12-16
Classification: B24B,F16H

Abstract:
A method of grinding a half toroidal CVT disk by a grinding mechanism with a tool for grinding said half toroidal CVT disk, the half toroidal CVT disk having an inner surface portion, an outer surface portion and a toroidal surface having a given machining allowance, said method comprising the steps of:centering said half toroidal CVT disk with a first part of said inner surface portion worked prior to a heat treatment of said half toroidal CVT disk as the standard thereof; chucking said centered half toroidal CVT disk by a chuck mechanism; grinding said toroidal surface of said chucked half toroidal CVT disk in a state that one of said half toroidal CVT disk and said tool is inclined at a given angle with respect to the other; and grinding a second part of said inner surface portion simultaneously with said toroidal surface in a compound manner.