Title:
METHOD FOR CHANGING STEP LINER IN ROLLING MILL
Document Type and Number:
Japanese Patent JP2003290805
Kind Code:
A
Abstract:
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.
The completion of the lowering of the liner frame 34 is determined by using the value ΔPtr of rise of internal pressure of a balancing cylinder 22.
Inventors:
KAMIMURA KOICHI
YAMAGAMI HIROKI
YAMAGAMI HIROKI
Application Number:
JP2002105215A
Publication Date:
October 14, 2003
Filing Date:
April 08, 2002
Export Citation:
Assignee:
JFE STEEL KK
International Classes:
B21B31/20; (IPC1-7): B21B31/20
Attorney, Agent or Firm:
Satoshi Takaya (2 outside)