METHOD FOR CHANGING STEP LINER IN ROLLING MILL

摘要

PROBLEM TO BE SOLVED: To make it possible to exchange a step liner even when a position detecting sensor for detecting the elevated and lowered positions of a liner frame is broken. SOLUTION: The completion of the lowering of the liner frame 34 is determined by using the valueΔPtr of rise of internal pressure of a balancing cylinder 22. COPYRIGHT: (C)2004,JPO