QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY
Print ISSN : 0288-4771
Plasma Welding of Thin Plate
Halim Ali Abd.Shuzo MoriNobuyuki FujiiKatsuhiko Yasuda
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2005 Volume 23 Issue 2 Pages 245-251

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Abstract

Generally, plasma welding method is difficult for applying to fillet weld, because of its big plasma force and big torch head. In this report, theplasma welding method of 0.6-2.0mm thick plate which becomes to able to weld easily is investigated, aiming to plasma force.
Although plasma force shows to ten times of TIG arc force, it decreases to set small pressure and flow rate of plasma gas. So, it enables to weld various joints by using the plasma welding method setting those small plasma force condition and short stand off length. In the case of small size fillet welding using this method especially, it is successful by using Ar+5%H2 shielding gas and high frequency pulsed current control.

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© 2005 by JAPAN WELDING SOCIETY
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