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Patent Searching and Data


Title:
ROLLING METHOD WITH RETRACT MANDREL MILL
Document Type and Number:
Japanese Patent JP2001205323
Kind Code:
A
Abstract:

To develope a rolling method with which not only stripping property is improved but the quality of rolling with a sizing mill or a extractor mill is improved.

In a rolling method with a retract mandrel mill, a shell outside diameter meter is installed between a mandrel mill and the extractor mill or the sizing mill and, based on the measured value of the outside diameter of a shell with the shell outside diameter meter, the screw-down position of the roll of the extractor mill or the sizing mill is controlled.


Inventors:
Nakajima, Kazuhiro
Application Number:
JP2000000017531
Publication Date:
July 31, 2001
Filing Date:
January 26, 2000
Export Citation:
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Assignee:
SUMITOMO METAL IND LTD
International Classes:
B21B17/02; B21B19/10; B21B23/00; B21B37/18; B21B37/78; B21C51/00; (IPC1-7): B21B37/78; B21B17/02; B21B19/10; B21B23/00; B21B37/18; B21C51/00