Title:
METHOD AND DEVICE FOR CONTROLLING FIXED DIAMETER ROLLING OF TUBE
Document Type and Number:
WIPO Patent Application WO/2005/095013
Kind Code:
A1
Abstract:
A method and a device for controlling the fixed diameter rolling of a tube. The fixed diameter rolling control method for the tube controlling the rotational speed of rolling rolls (21) disposed on stands when the tube end part of the tube (1) is rolled by the stands (2) of a fixed diameter rolling mill is characterized in that the rotational speed control start times of the rolling rolls set for the specific stands are corrected based on the measured value of the wall thickness of the tube end part of the tube measured on the out-side of the fixed diameter rolling mill.
Inventors:
INAGE TAKATERU (JP)
OKAYAMA FUMIO (JP)
OKAYAMA FUMIO (JP)
Application Number:
PCT/JP2005/006179
Publication Date:
October 13, 2005
Filing Date:
March 30, 2005
Export Citation:
Assignee:
SUMITOMO METAL IND (JP)
INAGE TAKATERU (JP)
OKAYAMA FUMIO (JP)
INAGE TAKATERU (JP)
OKAYAMA FUMIO (JP)
International Classes:
B21B37/18; B21B37/78; B21B17/14; B21B38/04; (IPC1-7): B21B37/78; B21B17/14; B21B37/18
Foreign References:
| JPH07246414A | 1995-09-26 | |||
| JPH06142743A | 1994-05-24 | |||
| JP2001179322A | 2001-07-03 | |||
| JP2004017066A | 2004-01-22 | |||
| JPH07246414A | 1995-09-26 | |||
| JPS58196111A | 1983-11-15 | |||
| JPS61140317A | 1986-06-27 |
Other References:
See also references of EP 1733817A4
Attorney, Agent or Firm:
Ohnaka, Minoru (3-6 Minamisemba 2-chome, Chuo-ku, Osaka-sh, Osaka 81, JP)
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