Application of Taguchi Method in Optimization of Pulsed TIG Welding Process Parameter

Asif Ahmad

A chapter in Quality Control - Intelligent Manufacturing, Robust Design and Charts from IntechOpen

Abstract: Pulsed TIG welding is one of the most widely used welding processes in the metal manufacturing industry. In any fusion arc welding process, the bead width plays an important role in determining the welding strength and mechanical properties of the weld joint. This study present optimization of the pulsed TIG welding process parameter using Taguchi Philosophy. AISI 316/3136L austenite stainless steel 4mm is used for welding and for the establishment of the optimum combination of the process parameter and depending upon the functional requirement of the welded joint, the acceptable welded joint should have optimum bead width and minimum heat affected zone (HAZ) etc. An experiment was conducted using different welding condition and a mathematical model was constructed using the data collected from the experiment based on Taguchi L25 orthogonal array. Optimum parameter obtained for bead width is peak current 180 ampere, base current 100 ampere, pulse frequency 125Hz and pulse on time 40%.

Keywords: TIG welding; design of experiment; Taguchi methodology; S/N ratio; ANOVA (search for similar items in EconPapers)
JEL-codes: L15 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:218854

DOI: 10.5772/intechopen.93974

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