Title:
MULTISTAGE ROLLING MILL AND METHOD FOR REPLACING DIVISIONAL BACKING BEARING ASSEMBLY SHAFT IN MULTISTAGE ROLLING MILL
Document Type and Number:
WIPO Patent Application WO/2020/204071
Kind Code:
A1
Abstract:
In the present invention, in a housing, a divisional backing bearing assembly shaft is moved by a sliding mechanism on one of: rails 13, 19, 20 of a replacement carriage 12; a spray frame upper surface 9; and a housing bore upper surface 8a constituting the housing. Outside the housing, the divisional backing bearing assembly shaft is moved by the sliding mechanism on the rails 13, 19, 20 of the replacement carriage 12, so that the divisional backing bearing assembly shaft is pulled out from inside the housing or inserted in the housing. Accordingly, the present invention provides: a rolling mill which facilitates replacement of a divisional backing bearing assembly shaft in a rolling mill as compared with conventional machines; and a method for replacing the divisional backing bearing assembly shaft in the rolling mill.
Inventors:
NORIKURA TAKASHI (JP)
TAMAGAWA TADASHI (JP)
TAMAGAWA TADASHI (JP)
Application Number:
PCT/JP2020/015024
Publication Date:
October 08, 2020
Filing Date:
April 01, 2020
Export Citation:
Assignee:
SENDZIMIR JAPAN LTD (JP)
International Classes:
B21B31/07; B21B1/22; B21B13/14; B21B31/08
Foreign References:
| JP6061775B2 | 2017-01-18 | |||
| JPH0523719A | 1993-02-02 | |||
| KR101511957B1 | 2015-04-14 |
Other References:
THE IRON AND STEEL INSTITUTE OF JAPAN: "Recent Progresses in Cold Strip Equipment and Manufacturing Technology in Our Country", August 1977, THE IRON AND STEEL INSTITUTE OF JAPAN, pages: 68 - 69
See also references of EP 3950161A4
See also references of EP 3950161A4
Attorney, Agent or Firm:
KAICHI IP (JP)
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