Indian Welding Journal

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Investigations into TIG Arc Efficiency


Affiliations
1 Department of Mechanical & Industrial Engineering, University of Roorkee, Roorkee, India
     

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Experimental investigations have been carried out to study the influence of various welding variables on arc efficiency in TIG (GTA) process using water cooled copper block as work piece. Heat collected by the water flowing through the hollow block, has been used to calculate the arc efficiencies. It has been shown that the welding current, arc length and electrode polarity have appreciable influence on the arc efficiencies over the entire range of investigations. Gas flow rate and torch angle also influence efficiency significantly but only under certain conditions.
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  • Investigations into TIG Arc Efficiency

Abstract Views: 360  |  PDF Views: 5

Authors

S. R. Gupta
Department of Mechanical & Industrial Engineering, University of Roorkee, Roorkee, India
P. C. Gupta
Department of Mechanical & Industrial Engineering, University of Roorkee, Roorkee, India
S. N. Dubey
Department of Mechanical & Industrial Engineering, University of Roorkee, Roorkee, India

Abstract


Experimental investigations have been carried out to study the influence of various welding variables on arc efficiency in TIG (GTA) process using water cooled copper block as work piece. Heat collected by the water flowing through the hollow block, has been used to calculate the arc efficiencies. It has been shown that the welding current, arc length and electrode polarity have appreciable influence on the arc efficiencies over the entire range of investigations. Gas flow rate and torch angle also influence efficiency significantly but only under certain conditions.