OPTIMIZATION OF TURNING PARAMETER FOR AISI 4140 BY GREY RELATION ANALYSIS
Parag Ambilkar, Thakur Pinky Kumari, S P Shrivas
ABSTRACT
The present work concerned an experimental study of turning on chromium – molybdenum case hardening alloy steel of AISI 4140grade. The purpose of this thesis is to study the effect of speed, feed, and depth of cut on material removal rate, metal surface and tool wear in machining AISI 4140 alloy steel using tungsten carbide tipped cutting tool.The range of each parameter is set at four different levels. Mathematical models were deduced by software design Expert in order to express the influence degree of the main cutting variables such as cutting speed, feed rate and depth of cut on outputresponses. After taking the responses grey relation analysis apply on all experiment to optimize the input parameter for optimum response.
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