Warping reform device null of orbicular profile long shaku

摘要

PURPOSE:To accurately correct short cyclic bends, especially, bends at end parts in a metallic bar, a metallic tube, etc., with simple shaped rolls. CONSTITUTION:In sets of rolls composed respectively of disk rolls 1b and 2b, 1c and 2c, 1d and 2d positioned in the same sequence from the inlet sides of bending rolls 1, 2 arranged round a mill center line X-X, the diameters of the disk rolls 1b from 2b, 1c from 2c, 1d from 2d composing each set of rolls are made, different to deviate a pass center of a metallic tube P from the mill center line X-X.