WELDING OBSERVATION DEVICE, WELDING OBSERVATION SYSTEM, AND WELDING OBSERVATION METHOD

Title:

WELDING OBSERVATION DEVICE, WELDING OBSERVATION SYSTEM, AND WELDING OBSERVATION METHOD

Document Type and Number:

WIPO Patent Application WO/2021/049610

Kind Code:

A1

Abstract:

This welding observation device for observing the melting site in arc welding is provided with a welding defect detecting unit for detecting the occurrence of a welding defect on the basis of the condition of a molten pool directly below the arc in a melting site image including at least a portion directly below the arc.

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WO/2010/025709	METHOD FOR REGULATING ENERGY INPUT OF A PULSED ARC PLASMA DURING A JOINING PROCESS AND APPARATUS
JPS5433846	BEVEL EDGE SHAPE DETECTING METHOD IN PIPE WELDER

Inventors:

KASANO KAZUKI (JP)
ASAI SATORU (JP)
OGINO YOSUKE (JP)

Application Number:

PCT/JP2020/034458

Publication Date:

March 18, 2021

Filing Date:

September 11, 2020

Export Citation:

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Assignee:

SUMITOMO HEAVY INDUSTRIES (JP)

International Classes:

B23K9/095; B23K31/00

Foreign References:

JP2004074264A	2004-03-11
JPH1177307A	1999-03-23

Attorney, Agent or Firm:

ITOH, Tadashige et al. (JP)

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