| 摘要 |
A cantilever type rolling mill having a pair of roll shafts rotatably supported in a roll housing on a roll stand, the rolling mill including a tension member provided axially through the center of a roll shaft and having the outer end thereof projecting out of the roll shaft; a roll unit holding a ring roll between a tapered sleeve engaging with one end face and inner periphery of the ring roll and a pressing washer engaging with the other end face of the ring roll; a roll compressing tool detachably engageable with the projecting end of the tension member and incorporating a hydraulic piston-cylinder, the roll compressing tool having a nut member threadedly fitted on the circumference thereof; a plurality of crown splines formed on the outer peripheries of the nut member and pressing washer; and an extraction ring having a crown spline on the inner periphery thereof and slidably and fixably engageable with the crown splines of the nut member and pressing washer. |
