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Optimization of process variables in electric discharge machining (EDM) using Taguchi methodology

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Title Optimization of process variables in electric discharge machining (EDM) using Taguchi methodology
 
Creator Kumar, Sudhir
Ghoshal, Sanjoy Kumar
Arora, Pawan Kumar
 
Subject EDM
AISI420 steel
Taguchi Method
ANOVA
 
Description 819-825
The present study engrossed with the functional relationship between the input and output parameters of the electric discharge machining (EDM). Four controllable machining parameters, viz. gap voltage (A), current (Ip), duty cycle (C) and pulse on time (Ton) have been chosen to ascertain the electrode wear rate (EWR) and surface roughness (SR) of AISI 420 material with copper electrode. Through Taguchi method, a design of experiment developed and it has been used to perform the experiment based on L16 orthogonal array (OA). During machining of AISI420, the highest influencing factor in EWR is IP and least is C. Similarly, for SR Ton is most and C is least significant factor. From analysis of variance (ANOVA), for EWR, IP is having most significant 79.43% contribution and C is having least significant 2.36 % contribution. Similarly, for SR, Ton is having most significant 39.95% contribution and A is having least significant 11.79 % contribution.
 
Date 2020-11-24T09:22:55Z
2020-11-24T09:22:55Z
2020-08
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscair.res.in/handle/123456789/55688
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJEMS Vol.27(4) [August 2020]