Title:
APPARATUS AND METHOD FOR MAINTAINING FLATNESS OF ROLLED MATERIAL
Document Type and Number:
WIPO Patent Application WO/2017/111222
Kind Code:
A1
Abstract:
A flatness maintaining apparatus according to an embodiment of the present invention may comprise: a bending measuring unit for measuring bending of a distal end portion of a rolled material; a wave measuring unit for measuring a wave of the rolled material; a calculation unit for calculating a total roll gap level according to bending information and wave information transferred from the bending measuring unit and the wave measuring unit; and a roll gap level adjusting unit for adjusting a total roll gap level of at least one stand among a plurality of finishing rolling stands for rolling the rolled material according to the total roll gap level.
Inventors:
NOH IL-HWAN (KR)
CHOI YONG-JOON (KR)
CHOI YONG-JOON (KR)
Application Number:
PCT/KR2016/005831
Publication Date:
June 29, 2017
Filing Date:
June 02, 2016
Export Citation:
Assignee:
POSCO (KR)
International Classes:
B21B37/28; B21B37/58; B21B38/02; G01B11/16
Foreign References:
| JPS5575811A | 1980-06-07 | |||
| KR20150074949A | 2015-07-02 | |||
| KR101330838B1 | 2013-11-18 | |||
| KR101059214B1 | 2011-08-24 | |||
| KR100373679B1 | 2003-11-19 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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