Abstract
This study investigated the multi-response optimization of turning process for an optimal parametric combination to yield minimum cutting forces and surface roughness with maximum material removal rate (MRR) using the combination of Grey relational analysis (GRA) and Taguchi method. Nine experimental runs based on an orthogonal array of Taguchi method were performed to derive objective functions to be optimized within experimental domain. The objective functions have been selected in relation to parameters of cutting process: cutting force, surface roughness and MRR. The Taguchi approach followed by Grey relational analysis to solve the multi-response optimization problem. The significance of factors on overall quality characteristics of the cutting process has also been evaluated quantitatively by the analysis of variance method (ANOVA). Optimal results have been verified through additional experiments. This shows proper selection of the cutting parameters produces, high material removal rate with better surface roughness and lower cutting force.
Kurzfassung
In der diesem Beitrag zugrunde liegenden Studie wurde eine Mehrfach-Antwort-Optimierung des Drehprozesses in Hinblick auf eine optimale Parameterkombination zur Erreichung minimaler Schnittkräfte und Oberflächenrauheiten bei maximaler Materialabtragsrate (MMR) durchgeführt, in dem die Grey Relational Analyse (GRA) mit der Taguchi Methode kombiniert wurde. Neun experimentelle Runs, die auf einem orthogonalen Feld der Taguchi-Methode basieren, wurden durchgeführt, um objektive Funktionen abzuleiten, die mittels der experimentellen Ergebnisse optimiert wurden. Die objektiven Funktionen wurden in Hinblick auf die Parameter des Schneidprozesses, nämlich der Schnittkraft, der Oberflächenrauheit und der MRR gewählt. Dem Taguchi-Ansatz folgte eine GRA um die Mehrfach-Antwort-Aufgabe zu lösen. Die Signifikanz der Faktoren auf die allgemeinen Qualitätsmerkmale des Schneidprozesses wurden ebenfalls quantitativ mittels der Varianzanalyse (ANOVA) ausgewertet. Die optimalen Ergebnisse wurden experimentell verifiziert. Eine richtige Auswahl der Schneidparameter zeigt eine hohe Materialabtragsrate mit besserer Oberflächenrauheit und niedrigerer Schnittgeschwindigkeit.
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