Optimisation of sand casting process for impeller using taguchi methodology

Faisal Hafeez; Salman Hussain; Wasim Ahmad; Mirza Jahanzaib

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Optimisation of sand casting process for impeller using taguchi methodology

Author(s)

Faisal Hafeez Industrial Engineering Department, University of Engineering and Technology, Taxila, Pakistan

Salman Hussain Industrial Engineering Department, University of Engineering and Technology, Taxila, Pakistan

Wasim Ahmad Industrial Engineering Department, University of Engineering and Technology, Taxila, Pakistan

Mirza Jahanzaib Industrial Engineering Department, University of Engineering and Technology, Taxila, Pakistan

Abstract

This paper presents the study to investigate the effects of binder ratio, in-gate length and pouring height on hardness, surface roughness and casting defects of sand casting process. Taguchi methodology with L9 orthogonal array was employed to design the experimentation. Sand casting of six blade impeller using A356 alloy was performed and empirical models for all the above response measures were formulated. Confirmatory tests and analysis of variance results confirmed the accuracy of the model. Binder ratio was found to be the most significant parameter affecting casting surface defects and surface roughness. This was followed by pouring height and in-gate length.

Publication Details

Page(s) 23-33

DOI DOI not available

Published Journal: NED University Journal of Research, Volume: 17, Issue: 2, Year: 2020

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Keywords

surface roughness, Impeller, Taguchi methodology

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