Patent ID: 8882566

Claim:
A method of machining opposite ends of round rod members, comprising steps of: moving a long round rod material to a predetermined work position; abutting a rotating disk-shaped grinding wheel on the periphery of the long round rod material in rotation; moving the grinding wheel towards, and along, the axis of the long rod material to chamfer a first portion of the long rod material on the front side the grinding wheel; cutting and chamfering the long rod material by moving the grinding wheel towards the axis of the long rod material at a predetermined position of the first portion to cut said first portion off the long rod material, and at the same time to chamfer the leading end of a second portion of the long rod material in contact with the rear side of the grinding wheel; moving the chamfered second portion of the long rod material to the work position after removing the first cut portion away from the work position; and repeating the above-mentioned steps as needed.