Performance of copper, copper tungsten, graphite and brass electrode on MRR, EWR and SR of aluminium LM6 in EDM die sinking

This paper investigates the performance of copper, copper tungsten, graphite and brass electrode on machining characteristics of aluminium alloy LM6 (Al-Sil2) in the electrical discharge machine (EDM) die sinking. The relationship between the machining parameters such as peak current, voltage, pulse...

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Main Author: Azhanie Sardangi
Other Authors: Md Ali, M.A.
Format: Journal
Published: Journal of Advanced Research in Applied Mechanics, Penerbit Akademia Baru 2015
Subjects:
Online Access:http://www.myjurnal.my/public/article-view.php?id=104528
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spelling oai:www.myjurnal.my:1045282018-09-20T00:00:00Z Performance of copper, copper tungsten, graphite and brass electrode on MRR, EWR and SR of aluminium LM6 in EDM die sinking Azhanie Sardangi Physics This paper investigates the performance of copper, copper tungsten, graphite and brass electrode on machining characteristics of aluminium alloy LM6 (Al-Sil2) in the electrical discharge machine (EDM) die sinking. The relationship between the machining parameters such as peak current, voltage, pulse-on time, and pulse-off time on machining characteristics was studied. Design of experiment using orthogonal array of Taguchi technique is employed to design experimental matrix. The analysis was done by using the Minitab software version 16. From this study, it is found that graphite electrode produces the highest material removal rate (MRR) and low in surface roughness (SR) as compare to others electrode materials. Meanwhile, copper electrode has ability to generate highest Ra but low electrode wear rate (EWR). Copper tungsten electrode shows almost similar result with copper electrode however its hardness prevents from wear during machining process. Brass electrode shows low ability to withstand of spark energy that produces highest EWR. Thus, it shows that the objective of the experiment in terms of MRR, EWR and SR should be identified before specific electrode materials can be used for machining aluminium LM6 in EDM die sinking. Journal of Advanced Research in Applied Mechanics, Penerbit Akademia Baru Md Ali, M.A. 2015-00-00 Journal application/pdf 104528 www.myjurnal.my/filebank/published_article/537823.pdf www.myjurnal.my/public/article-view.php?id=104528
repository_type Digital Repository
institution_category Local Institution
institution MyJournal
building MyJournal Repository
collection Online Access
topic Physics
spellingShingle Physics
Azhanie Sardangi
Performance of copper, copper tungsten, graphite and brass electrode on MRR, EWR and SR of aluminium LM6 in EDM die sinking
description This paper investigates the performance of copper, copper tungsten, graphite and brass electrode on machining characteristics of aluminium alloy LM6 (Al-Sil2) in the electrical discharge machine (EDM) die sinking. The relationship between the machining parameters such as peak current, voltage, pulse-on time, and pulse-off time on machining characteristics was studied. Design of experiment using orthogonal array of Taguchi technique is employed to design experimental matrix. The analysis was done by using the Minitab software version 16. From this study, it is found that graphite electrode produces the highest material removal rate (MRR) and low in surface roughness (SR) as compare to others electrode materials. Meanwhile, copper electrode has ability to generate highest Ra but low electrode wear rate (EWR). Copper tungsten electrode shows almost similar result with copper electrode however its hardness prevents from wear during machining process. Brass electrode shows low ability to withstand of spark energy that produces highest EWR. Thus, it shows that the objective of the experiment in terms of MRR, EWR and SR should be identified before specific electrode materials can be used for machining aluminium LM6 in EDM die sinking.
author2 Md Ali, M.A.
author_facet Md Ali, M.A.
Azhanie Sardangi
format Journal
author Azhanie Sardangi
author_sort Azhanie Sardangi
title Performance of copper, copper tungsten, graphite and brass electrode on MRR, EWR and SR of aluminium LM6 in EDM die sinking
title_short Performance of copper, copper tungsten, graphite and brass electrode on MRR, EWR and SR of aluminium LM6 in EDM die sinking
title_full Performance of copper, copper tungsten, graphite and brass electrode on MRR, EWR and SR of aluminium LM6 in EDM die sinking
title_fullStr Performance of copper, copper tungsten, graphite and brass electrode on MRR, EWR and SR of aluminium LM6 in EDM die sinking
title_full_unstemmed Performance of copper, copper tungsten, graphite and brass electrode on MRR, EWR and SR of aluminium LM6 in EDM die sinking
title_sort performance of copper, copper tungsten, graphite and brass electrode on mrr, ewr and sr of aluminium lm6 in edm die sinking
publisher Journal of Advanced Research in Applied Mechanics, Penerbit Akademia Baru
publishDate 2015
url http://www.myjurnal.my/public/article-view.php?id=104528
first_indexed 2018-09-20T14:58:28Z
last_indexed 2018-09-20T14:58:28Z
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