Title:
COIL LINE SYSTEM AND ITS CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2006/088014
Kind Code:
A1
Abstract:
[PROBLEMS] To provide a coil line system in which a looper can be made as shallow as possible, and to provide its control method. [MEANS FOR SOLVING PROBLEMS] The coil line system comprises an uncoiler (2) and a leveler (4) each having a servo motor as a drive source for feeding a plate material b continuously, a looper (5) having means (c1, c2) for detecting slack quantity of the plate material b, a feeder (6) having a servo motor as a drive source for feeding the plate material b intermittently, a servo press P, and a control means C performing cooperation control of synchronized press work by means of the press P and intermittent feeding of the plate material b by means of the feeder (6), and continuous feed of the plate material b by means of the leveler (4) and the uncoiler (2) in accordance with detection signals from the slack detecting means (c1, c2) indicative of slack quantity of the plate material b and restricting slack quantity of the plate material b in the looper (5) to within a predetermined range.
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Inventors:
Uedera, Yusuke c/o Komatsu Ltd. (Komatsu Plant 5, Jigata, Yokaichimachi, Komatsu-sh, Ishikawa 66, 92386, JP)
Shiroza, Kazuhiko c/o Komatsu Ltd. (Komatsu Plant 5, Jigata, Yokaichimachi, Komatsu-sh, Ishikawa 66, 92386, JP)
Shiroza, Kazuhiko c/o Komatsu Ltd. (Komatsu Plant 5, Jigata, Yokaichimachi, Komatsu-sh, Ishikawa 66, 92386, JP)
Application Number:
PCT/JP2006/302515
Publication Date:
August 24, 2006
Filing Date:
February 14, 2006
Export Citation:
Assignee:
KOMATSU LTD. (3-6 Akasaka 2-chome, Minato-ku Tokyo, 14, 10784, JP)
Uedera, Yusuke c/o Komatsu Ltd. (Komatsu Plant 5, Jigata, Yokaichimachi, Komatsu-sh, Ishikawa 66, 92386, JP)
Shiroza, Kazuhiko c/o Komatsu Ltd. (Komatsu Plant 5, Jigata, Yokaichimachi, Komatsu-sh, Ishikawa 66, 92386, JP)
Uedera, Yusuke c/o Komatsu Ltd. (Komatsu Plant 5, Jigata, Yokaichimachi, Komatsu-sh, Ishikawa 66, 92386, JP)
Shiroza, Kazuhiko c/o Komatsu Ltd. (Komatsu Plant 5, Jigata, Yokaichimachi, Komatsu-sh, Ishikawa 66, 92386, JP)
International Classes:
B21D43/02; B21D43/09; B21D43/02; B21D43/04
Attorney, Agent or Firm:
Kimura, Takahisa (6F Sendai Building, 8-11 Minato 1-chom, Chuo-ku Tokyo 43, 10400, JP)
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