| 摘要 |
<p>A roll replacing method and a roll replacing system for a chockless rolling mill, in which bearings for supporting the ends of work rolls are supported at an eccentric position of rotary bushes on housings, and the rotary bushes are turned to set a roll gap, pull out the chockless rolling mill from a rolling line onto a pullout track extending perpendicularly to the rolling line; fix the housing on a drive side onto the pullout track at a nearest position, move a support trestle perpendicularly to the pullout track, and fit the support trestle between the pullout track and the upper and lower work rolls to support these work rolls on the support trestle; separate the housing on a work side, the trestle, and the upper and lower work rolls as a unit from each other and from the drive-side housing, and move them onto the pullout track until they come to a halt; and move the trestle and the upper and lower work rolls as a unit onto a roll replacement track perpendicular to the pullout track, to replace the upper and lower work rolls as a unit by spare upper and lower work rolls as a unit, or replace the trestle and the upper and lower work rolls as a unit by a spare trestle and spare upper and lower work rolls as a unit. <IMAGE></p> |
