Title:
ROLLER LEVELER AND METAL PLATE LEVELING METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2013/035449
Kind Code:
A1
Abstract:
The roller leveler (100) has multiple leveling rolls (6, 8), pressing cylinders (4), and a control unit (30). When the established plunge for an entry side pressing cylinder that is necessary for leveling a metal plate (P) is greater than the limiting plunge for feed-in, the control unit (30) limits the entry side pressing cylinder plunge to the limiting plunge for feed-in on the basis of a feed-in compensation table until the feed-in compensation control distance is reached and when the leading end of the metal plate reaches the feed-in compensation control distance, controls the plunge of the entry side pressing cylinder (4) to equal the established plunge.
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Inventors:
AOYAMA TORU (JP)
Application Number:
PCT/JP2012/068582
Publication Date:
March 14, 2013
Filing Date:
July 23, 2012
Export Citation:
Assignee:
JP STEEL PLANTECH CO (JP)
AOYAMA TORU (JP)
AOYAMA TORU (JP)
International Classes:
B21D1/05
Foreign References:
| JP2001252720A | 2001-09-18 | |||
| JP2003117606A | 2003-04-23 | |||
| JP2010172925A | 2010-08-12 |
Attorney, Agent or Firm:
TAKAYAMA HIROSHI (JP)
Hiroshi Takayama (JP)
Hiroshi Takayama (JP)
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Claims:
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