Title:
ARC WELDING QUALITY ASSESSING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/033832
Kind Code:
A1
Abstract:
This arc welding quality assessing system is provided with a setting unit which, for each first time point in a certain population, sets an upper limit at the first time point on the basis of the maximum value at the first time point or the maximum value at a plurality of time points including the first time point, and sets a lower limit at the first time point on the basis of the minimum value at the first time point or the minimum value at the plurality of time points including the first time point. The arc welding quality assessing system is additionally provided with an assessing unit which assess that there is not a welding defect if a measured value obtained during welding is within the range between the upper limit and the lower limit, and assesses that there is a welding defect if the measured value is outside said range.
Inventors:
NAKAGAWA SHINICHIRO (JP)
Application Number:
PCT/JP2016/074120
Publication Date:
March 02, 2017
Filing Date:
August 18, 2016
Export Citation:
Assignee:
DAIHEN CORP (JP)
International Classes:
B23K31/00; B23K9/095
Foreign References:
| JP2000225466A | 2000-08-15 | |||
| JP2007253221A | 2007-10-04 | |||
| JP2003117657A | 2003-04-23 | |||
| JPH04237565A | 1992-08-26 | |||
| JPH05329645A | 1993-12-14 | |||
| US20140251970A1 | 2014-09-11 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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