QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
Print ISSN : 0288-4771
Fundamental Examination of Fluid Chamber with Multilayer Jet applicable to Butt Weld Joint
—Study on Fluid Chamber applicable to Gas - Shielded Arc Welding (Report 2)—
Shigehiro MORIKAWAOsamu KAMIYA
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2005 Volume 23 Issue 2 Pages 236-244

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Abstract

This paper deals with the Fluid Chamber applicable to gas-shielded arc welding in strong wind environment. In the case of single annular air curtain jet structure, this air curtain jet becomes turbulent in the groove position, this turbulent flow invades into welding atmosphere along the groove, and welding becomes impossible. The main causes of this phenomenon are for a part of jet stream invading into welding atmosphere along with the groove according to the big pressure slope generated in the inner side produced by the thrust of annular air curtain. So, this paper reports the subject solution method based on the above-mentioned phenomenon.

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© 2005 by JAPAN WELDING SOCIETY
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