Title:
圧延設備用溶接機、圧延設備および圧延方法
Document Type and Number:
Japanese Patent JP5165335
Kind Code:
B2
Abstract:
A metal rolling method for rolling a product strip by use of a rolling mill and a winder disposed on each of an entry side and a delivery side of the rolling mill, while causing the product strip to pass through the rolling mill back and forth, the method comprising:
welding a leader strip held by the winder on the delivery side to an end portion of the product strip, and subjecting the product strip to reversible rolling by the rolling mill without rolling the leader strip and a welded part of the product strip to the leader strip, while giving tension from the winder on the delivery side through the leader strip to the product strip even near the end portion thereof; and
cutting the leader strip at a position out of the welded part at an ending of an even ordinal number pass toward the winder on the entry side, and winding up the product strip including the welded part at the end portion onto the winder on the entry side without cutting out the welded part, followed by unloading a coil of the product strip thus wound up.
Inventors:
Yoshikawa Tanehiro
Application Number:
JP2007273253A
Publication Date:
March 21, 2013
Filing Date:
October 20, 2007
Export Citation:
Assignee:
Steel Plantech Co., Ltd.
International Classes:
B21B15/00; B21B1/22; B23K11/11; B23K101/16
Domestic Patent References:
| JP6023559A | ||||
| JP11342402A | ||||
| JP2771101B2 | ||||
| JP2721716B2 |
Attorney, Agent or Firm:
Yoshio Hosomi