OPTIMIZATION OF PROCESS PARAMETERS FOR MACHINING OF MILD STEEL EN18 BY RESPONSE SURFACE METHODOLOGY

Puneet Kumar¹*, Ashwani Kumar Dhingra² and Pankaj Kumar³

^{1, 2}Department of Mechanical Engineering, University Institute of Engineering & Technology, Maharshi Dayanand University, Rohtak-124001, Haryana, INDIA

³ Senior Manager inR&D Department, Lakshmi Precision Screws Limited, Rohtak124001, Haryana INDIA *Corresponding Author

ABSTRACT

Present work considers the parametric optimization of CNC MAX MILL machining for Mild Steel (EN18) with Cemented Carbide as cutting tool under constant flow of coolant. The machining cutting parameters (cutting speed, feed rate and depth of cut) optimized to evaluate high material removal rate and minimum surface roughness. Response surface method interpreted the experiment data with the help of Design of experiment. Analysis of variance (ANOVA) shows the different parameters which provide the significant impact on the values of surface roughness and material removal rate. The optimum solution of Material Removal Rate (MRR) and Roughness (SR) can be found at the cutting speed of 4186 rpm, feed rate of 1831 mm/min. and depth of cut of 0.60 mm.

KEYWORD

CNC MAX MILL Machine, Response Surface Method (RSM), Material Removal Rate (MRR), Cutting Parameter, Output Parameter

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