JPS6478626A - Straightening device for shape steel - Google Patents

Straightening device for shape steel

Info

Publication number
JPS6478626A
JPS6478626A JP23684687A JP23684687A JPS6478626A JP S6478626 A JPS6478626 A JP S6478626A JP 23684687 A JP23684687 A JP 23684687A JP 23684687 A JP23684687 A JP 23684687A JP S6478626 A JPS6478626 A JP S6478626A
Authority
JP
Japan
Prior art keywords
shape steel
bending
rolling reduction
roller
light rolling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP23684687A
Other languages
Japanese (ja)
Inventor
Shuji Noguchi
Seiki Hori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP23684687A priority Critical patent/JPS6478626A/en
Publication of JPS6478626A publication Critical patent/JPS6478626A/en
Pending legal-status Critical Current

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  • Metal Rolling (AREA)

Abstract

PURPOSE:To simply and exactly straighten complicated bending of shape steel, by constituting a straightening device of the shape steel which has been manufactured by cold rolling, of a bending measuring instrument of the shape steel, each light rolling reduction device of a web part and a flange part and its controller, and a roller straightening machine. CONSTITUTION:Right-and-left bending and up-and-down bending in the longitudinal direction of shape steel 6 having a web part and a flange part, which has been manufactured by cold rolling are measured. This measured value is inputted to an arithmetic operation controller to which a host CPU has been set, and by controlling the rolling reductions P1, P2 and axial direction moving extents M1, M2 of a web light rolling reduction roller 21 and a flange light rolling reduction roller 22 in a light rolling reduction device 2 by an output from the controller, and controlling the contact lengths L1, L2 in both the rollers 21, 22 and the web part and the flange part of the shape steel, light rolling reduction is executed. Subsequently, by executing up-and-down bending by a roller straightening machine 4 consisting of plural upper and lower rollers which have been arranged zigzag, the residual stress and bending are eliminated.
JP23684687A 1987-09-21 1987-09-21 Straightening device for shape steel Pending JPS6478626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23684687A JPS6478626A (en) 1987-09-21 1987-09-21 Straightening device for shape steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23684687A JPS6478626A (en) 1987-09-21 1987-09-21 Straightening device for shape steel

Publications (1)

Publication Number Publication Date
JPS6478626A true JPS6478626A (en) 1989-03-24

Family

ID=17006661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23684687A Pending JPS6478626A (en) 1987-09-21 1987-09-21 Straightening device for shape steel

Country Status (1)

Country Link
JP (1) JPS6478626A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012218055A (en) * 2011-04-12 2012-11-12 Nippon Steel Corp Rail straightening device
JP2014208370A (en) * 2013-03-22 2014-11-06 Ｊｆｅスチール株式会社 Device and method for correcting shape steel, and equipment and method for manufacturing shape steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012218055A (en) * 2011-04-12 2012-11-12 Nippon Steel Corp Rail straightening device
JP2014208370A (en) * 2013-03-22 2014-11-06 Ｊｆｅスチール株式会社 Device and method for correcting shape steel, and equipment and method for manufacturing shape steel

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