METHOD OF DETECTING POSITION DATA IN ARC WELDING

Title:

METHOD OF DETECTING POSITION DATA IN ARC WELDING

Document Type and Number:

WIPO Patent Application WO/1988/000508

Kind Code:

A1

Abstract:

A method of detecting position data in arc welding by monitoring the shape of light of welding arc and/or the position thereof. That is, in effecting the arc welding along the position of the beveling while detecting the position of the beveling, the shape of the arc light is imaged by an imaging device from above the joints of the members that are to be welded together, and the shape of the arc light thus imaged is converted into binary values. The shape and/or the position of the arc light converted into binary values are monitored, thus making it possible to detect the position of beveling, height of welding torch, starting point of welding, ending point of welding, corner point of the outer track, corner point of the inner track, work contact point of the welding wire and the gap of the beveling.

Inventors:

OKUMURA SHINJI (JP)
ITO HIROAKI (JP)
NISHIKAWA SEIGO (JP)
NAKAZATO TATSUMI (JP)

Application Number:

PCT/JP1987/000517

Publication Date:

January 28, 1988

Filing Date:

July 15, 1987

Export Citation:

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Assignee:

YASKAWA DENKI SEISAKUSHO KK (JP)

International Classes:

B23K9/095; B23K9/12; B23K9/127; B23Q35/128; B25J9/16; (IPC1-7): B23K9/12

Foreign References:

JPS54107445A	1979-08-23
JPS57168780A	1982-10-18
JPS56134076A	1981-10-20
JPH05550970A
JPS58176078A	1983-10-15
JPS59125272A	1984-07-19

Other References: