An Investigation for Gas Metal Arc Welding optimum Parameters of Mild Steel AISI 1016 using Taguchi‟s Method
Vikram Singh
Mr. Vikram Singh,  Assistant Professor of Mechanical Engineering Dept, of Engineering And Technology, Bilaspur, Yamunaagar (Haryana), India.
Manuscript received on July 22, 2013. | Revised Manuscript received on August 17, 2013. | Manuscript published on August 30, 2013. | PP: 407-409  | Volume-2, Issue-6, August 2013.  | Retrieval Number: F2122082613/2013©BEIESP

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Abstract: Gas metal arc welding is a fusion welding process having wide applications in industry. In this process proper selection of input welding parameters is necessary in order to obtain a good quality weld with good tensile strength and subsequently increase the productivity of the process. In order to obtain a good quality weld of high tensile strength, it is therefore, necessary to control the input welding parameters. In this research work, experiments were carried out on AISI 1016 mild steel plates using gas metal arc welding (GMAW) process. Taguchi method is used to formulate the experimental design. The exhaustive survey suggests that some control factors viz. arc voltage, welding speed, Welding Position Gap, gas pressure and root gap, wire feed rate etc. predominantly influence the Tensile Strength weld. A plan of experiments based on Taguchi technique has been used to acquire the data. An Orthogonal array, signal to noise (S/N) ratio and analysis of variance (ANOVA) are employed to investigate the welding characteristics of Mild steel of AISI 1016 material & optimize the welding parameters. Finally the conformations tests have been carried out to compare the predicated values with the experimental values confirm its effectiveness in the analysis of penetration.
Keywords: MIG welding, Optimization, Orthogonal array, S/N ratio.