Patent ID: 6619090
Filing Date: 2003-09-16
Classification: B24B,Y10T

Abstract:
A roll-hardening machine for crankshafts comprising:scissor arms having opposing ends; hard rolling tools including a hard-rolling roller head and a counter-support roller with the hard-rolling roller head detachably attached to one of the ends and the counter-support roller attached to the other end; two clamping blocks wherein respectively a first of the two clamping blocks is positioned on a front surface of each end of the scissors and a second clamping block is located at a right angle to the first clamping block on a side surface of one of the ends on a tool side; the first clamping block is supported on the front surface at the end of the respective scissors arm such that it can slide in the direction of the appropriate hard-rolling tool; the hard-rolling roller head is supported and moveably received by the second clamping block on the scissors arm, by having guide grooves on its front surfaces facing the scissors arm, in which prismatic blocks of the scissors arm engage; and the second clamping block for the counter-support roller head is supported such that it can move elastically in the clamping direction at its scissors arm.