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Taguchi based Grey Relational Analysis for Optimization of Cylindrical Grinding of AISI 1040 Mild Steel

Ramesh Rudrapati, S. Rajkumar, M. Sivaraj

Abstract


Cylindrical grinding process is extensively used for making the cylindrical parts with good surface roughness in any metal-cutting industries. In cylindrical grinding process, occurrence of vibrations limits the performance of grinding process to obtain the desired surface qualities on ground surface. Minimizing the vibrations is necessary for stabilizing the grinding process and for obtaining the best surface roughness. In the present study, the combined applications of grey relational analysis (GRA) and Taguchi method have been applied to analyze and optimize the grinding process variables in cylindrical traverse cut grinding of AISI 1040 mild steel material to minimize both vibration levels and surface roughness combinedly. Experimental runs have been conducted by using L9 orthogonal array design of Taguchi method. With use of the GRA applications, the multi objective optimization problems of surface roughness and vibration have been transferred into a single objective function optimization problem. Optimized process parametric setting has been obtained by analyzing the single objective function with the use of Taguchi method. Confirmation test confirms that the proposed methodology used for the study has improved surface roughness of cylindrical grinding of mild steel.

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References


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