Title:
スラスト反力作用点位置の同定方法及び圧延材の圧延方法
Document Type and Number:
Japanese Patent JP7001168
Kind Code:
B2
Abstract:
There is provided a method for identifying thrust counterforce working point positions of backup rolls of a rolling mill of four-high or more, the method including: a step of changing at least either friction coefficients and inter-roll cross angles between the rolls with an unchanged kiss roll load to cause thrust forces at a plurality of levels to act between the rolls, and measuring thrust counterforces in a roll-axis direction acting on rolls forming at least one of roll pairs other than a roll pair of the backup rolls and measuring backup roll counterforces acting in a vertical direction on the backup rolls at reduction support positions at the plurality of levels of thrust force in a kiss roll state; and a step of identifying, based on the measured thrust counterforces acting on the rolls, thrust counterforce working point positions of thrust counterforces acting on the backup rolls, using first equilibrium conditional expressions relating to forces acting on the rolls and second equilibrium conditional expressions relating to moments acting on the rolls.
Inventors:
Yamaguchi Kazuma
Atsushi Ishii
Daisuke Shinkoku
Atsushi Ishii
Daisuke Shinkoku
Application Number:
JP2020537438A
Publication Date:
January 19, 2022
Filing Date:
August 08, 2019
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21B38/00; B21B37/28; B21B37/58; B21B38/08; B21C51/00
Domestic Patent References:
| JP2009178754A |
Foreign References:
| WO2011129453A1 |
Attorney, Agent or Firm:
Patents corporation Blitas
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