Influence of weld imperfection on short circuit GMA welding arc stability

被引：24
|
作者：
Luksa, K. [1 ]
机构：
[1] Silesian Tech Univ, Fac Mech Engn, Welding Dept, PL-44100 Gliwice, Poland
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2006年 / 175卷 / 1-3期
关键词：
welding; GMA welding; welding monitoring;
D O I：
10.1016/j.jmatprotec.2005.04.053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Monitoring of welding process can play important role in on-line quality control of the GMA welding process. It is very important to find a quick and safe method of analysing data recorded during monitoring. Two signals: momentary arc power and momentary are resistance were included in the analysis and the results of analysis were compared with the results of statistic analysis of welding current and welding voltage. Sensitivity of mean value and variance of signals to artificial disturbances of welding arc was tested. The results show that it is possible to detect imperfections related to phenomena that take place in welding arc and affect the gas shield of the welding arc or the length of wire extension. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：285 / 290
页数：6
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