Analysis of acoustic signals on CO{sub 2} arc welding
- Shikoku National Industrial Research Inst., Takamatsu (Japan)
- Industrial Technology Center of Yamaguchi Prefecture, Yamaguchi (Japan)
The sound emitted during the arc welding process is closely related to the welding phenomenon, and sometimes it provides useful information for monitoring and controlling the welding process. It is important to use different kinds of information to control the welding process to improve the quality of controlling system, especially for underwater welding. Because the recovery process of weld defects is a time and money consuming matter, and sometimes it is difficult to monitor the arc condition by a visual system. The fundamental analysis of acoustic signals and their relations with the other parameters such as arc voltage, arc current and a vibration of weld plate had been carried out in order to understand the feature of acoustic signals and to develop effective signal processing algorithm. All of the data were recorded by the cassette recorder. After the experiment was completed, the analysis of recorded data was carried out by using of a signal processor and a computer system.
- OSTI ID:
- 264135
- Report Number(s):
- CONF-950604--; ISBN 1-880653-20-6
- Country of Publication:
- United States
- Language:
- English
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