Title:
ROLLER LEVELER AND STRAIGHTENING METHOD
Document Type and Number:
Japanese Patent JP2005052860
Kind Code:
A
Abstract:
To provide a roller leveller which can suppress not only the occurrence of the shape defects of a large-sized plate but also the occurrence of the bar cutting camber and the bar cutting warpage when a cutting work such as bar cutting is executed and can straighten a metal plate into an excellent shape, and a straightening method.
The roller leveler has a group of straightening rolls 2 arranged in zigzag. A plurality of first dividing crowning means 5 are arranged in the direction of the roll barrel length to one straightening roll 4 in the group of the straightening rolls. They are respectively and independently capable of executing the reduction control so as to impart the crown to the straightening roll.
More Like This:
| JP2000202902 | STRETCHING DEVICE FOR MATERIAL WEB |
| JPH06339727 | STRAIGHTENING DEVICE |
Inventors:
SHIGAKI NOBUYUKI
TAKASHIMA YUKIO
HORIE MASAYUKI
TAKASHIMA YUKIO
HORIE MASAYUKI
Application Number:
JP2003285607A
Publication Date:
March 03, 2005
Filing Date:
August 04, 2003
Export Citation:
Assignee:
JFE STEEL KK
International Classes:
B21D1/05; (IPC1-7): B21D1/05
Attorney, Agent or Firm:
Hisao Kobayashi
Souji Sasaki
Saburo Kimura
Noboru Omura
Souji Sasaki
Saburo Kimura
Noboru Omura
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