| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a broach for internal machining capable of shortening time required for straightening, grinding, etc., and reducing cost by improving processes for manufacturing a broach for internal machining. SOLUTION: The manufacturing method of a broach for internal machining comprises the steps of: preparing material including cutting the material at a predetermined length; heat treating including quenching and tempering; turning including shape processing of the outer shape and the blade groove and finishing of the face of a cutting edge; and grinding including finishing of a cylindrical surface and the flank of the cutting edge. |
