| 摘要 |
PURPOSE:To permit easy adjustment of the height of rolling dies without changing the height of engaging members even if the height of the rooling dies are adjusted in a rolling machine which forms teeth on the outside circumferential surface of a work piece by supporting the bottom surfaces of the engaging members on a tool rest or a reference block united in one body thereto. CONSTITUTION:A work piece W is supported between the center 5 of a splindle 4 and the center 11a of a tailstock 11 and is vertically moved relatively with rolling dies 6a and 6b by which the work piece is worked. Engaging members 21a, 21b pressed to both side faces of the rides 6a, 6b are engaged with the dies with some allowance for undercut. Since the members 21a, 21b are supported on a reference block 40, there is no change in the height position of the members 21a, 21b not fluctuation in the allowance for undercut to the work piece W accompanied with said change even if the spacing between the dies 6a and 6b is adjusted and therefore the need for the readjustment for maintaining the allowance for undercut such as regrinding of the members 21a, 21b is eliminated at all. |
