Title:
MISALIGNMENT MEASUREMENT SYSTEM, PRODUCTION EQUIPMENT FOR WELDED STEEL PIPE, IMAGING TERMINAL, IMAGING SYSTEM, INFORMATION PROCESSING DEVICE, MISALIGNMENT MEASUREMENT METHOD, WELDED STEEL PIPE PRODUCTION METHOD, AND QUALITY CONTROL METHOD FOR WELDED STEEL PIPE
Document Type and Number:
WIPO Patent Application WO/2023/090307
Kind Code:
A1
Abstract:
A misalignment measurement system according to the present invention comprises: a marker plate on which is drawn a pattern that serves as a length reference for length measurement; an imaging unit which images, as image data, the marker plate and a bead part in a cross-section of a welded part that the marker plate is provided to; and a computation device which calculates the amount of misalignment of the bead part from the image data captured by the imaging unit.
Inventors:
TSUKAMOTO YUSUKE (JP)
HAGA SHINICHI (JP)
HAGA SHINICHI (JP)
Application Number:
PCT/JP2022/042333
Publication Date:
May 25, 2023
Filing Date:
November 15, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
G01B11/02; B21C37/08; B23K31/00
Foreign References:
| JPS5699401U | 1981-08-05 | |||
| JP2010249650A | 2010-11-04 | |||
| JP2008119711A | 2008-05-29 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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