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- Title
Hybrid Taguchi method for optimizing flux cored arc weld parameters for mild steel.
- Authors
Satheesh, M.; Edwin Raja Dhas, J.
- Abstract
Flux cored arc welding has been applied in manufacturing industries for morethan fifteen years. The quality of weld mainly depends on the mechanicalproperties of the weld, which in turn relays on the interaction of the weldparameters. This paper discusses the multi response optimization of weldparameters using grey based Taguchi method. Grey relational analysis wascarried out to convert multi objective criterion into equivalent single objectivefunction; overall grey relational grade, which is optimized by the Taguchitechnique. Experiments are conducted using Taguchi's L27 orthogonal array.The weld parameters used in this study were welding current, welding speed,and arc voltage with bead hardness and material deposition rate as responses.Taguchi's Signal-to-Noise (S/N) ratio is computed based on their performancecharacteristics. Grey relational grade was obtained using Signal-to-Noise ratio values of responses. Based on the grey relational grade, optimumlevels of parameters have been identified. Significant contributions wereestimated using Analysis of Variance (ANOVA). A confirmation test was conductedto validate the proposed method. This evaluation procedure could beused in decision-making to select process parameters for a welding operator.The proposed and developed method has good accuracy and competency withthe predicted value enhancing automation and robotization.
- Subjects
SOLDER &; soldering; ELECTRIC welding; REGRESSION analysis; INDUSTRIAL engineering; COMPUTER integrated manufacturing systems
- Publication
Advances in Production Engineering & Management, 2014, Vol 9, Issue 2, p95
- ISSN
1854-6250
- Publication type
Article
- DOI
10.14743/apem2014.2.179