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Determination of Weld Process Parameters for Precisional Welding:A Doe & FEA Approach


Affiliations
1 School of Mechanical Sciences, Karunya Institute of Technology and Sciences (Deemed University), Karunya Nagar, Coimbatore-641114, India
2 Science and Technology Entrepreneur Park, P.S.G College of Technology, Coimbatore, India
3 K.S.R. College of Engineering, India
     

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Today, Design of Experiments (DOE) has been widely used for various designs and manufacturing processes to obtain precisional quality and to optimize the product or processes design. In this contest, the present paper determines the best weld parameters for precisional welding with the aid of DOE & finite element analysis (FEA). Weld quality is mainly depends on penetration area. The factors which drives penetration area are heat flux, welding speed, metal preheat and plate thickness and ambient temperature. In this ambient temperature is an uncontrollable factor and remaining are considered as process control parameters. L9 orthogonal array is used in the investigation. The nine orthogonal array tests are analyzed computationally by ANSYS FEA-thermal module (commercial-software). Finally, best set of process control parameters, which opts better quality, is determined from S/N curves.
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  • Determination of Weld Process Parameters for Precisional Welding:A Doe & FEA Approach

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Authors

N. Radhika
School of Mechanical Sciences, Karunya Institute of Technology and Sciences (Deemed University), Karunya Nagar, Coimbatore-641114, India
K. Suresh Kumar
Science and Technology Entrepreneur Park, P.S.G College of Technology, Coimbatore, India
M. Joseph Davidson
School of Mechanical Sciences, Karunya Institute of Technology and Sciences (Deemed University), Karunya Nagar, Coimbatore-641114, India
P. S. S. Srinivasan
K.S.R. College of Engineering, India

Abstract


Today, Design of Experiments (DOE) has been widely used for various designs and manufacturing processes to obtain precisional quality and to optimize the product or processes design. In this contest, the present paper determines the best weld parameters for precisional welding with the aid of DOE & finite element analysis (FEA). Weld quality is mainly depends on penetration area. The factors which drives penetration area are heat flux, welding speed, metal preheat and plate thickness and ambient temperature. In this ambient temperature is an uncontrollable factor and remaining are considered as process control parameters. L9 orthogonal array is used in the investigation. The nine orthogonal array tests are analyzed computationally by ANSYS FEA-thermal module (commercial-software). Finally, best set of process control parameters, which opts better quality, is determined from S/N curves.