Experimental study of conventional wire electrical discharge machining for microfabrication

Experimental study of conventional wire electrical discharge machining for microfabrication

This article discusses the investigation and optimization of the process parameters of conventional wire electrical discharge machining (WEDM) of a copper substrate for microfabrication. The effect of discharge current, pulse-on time, and gap voltage on surface finish were studied. The average surfa...

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Main Authors: Ali, Mohammad Yeakub, Mohammad, Ammar Sami
Format: Article
Language:English
Published: Taylor and Francis Inc. 2008
Subjects:
TJ Mechanical engineering and machinery
TS Manufactures
Online Access:http://irep.iium.edu.my/27095/
http://irep.iium.edu.my/27095/
http://irep.iium.edu.my/27095/
http://irep.iium.edu.my/27095/1/015_MaMP_2008_23%287%29_641-645.pdf
id iium-27095
recordtype eprints
spelling iium-270952013-07-24T01:05:35Z http://irep.iium.edu.my/27095/ Experimental study of conventional wire electrical discharge machining for microfabrication Ali, Mohammad Yeakub Mohammad, Ammar Sami TJ Mechanical engineering and machinery TS Manufactures This article discusses the investigation and optimization of the process parameters of conventional wire electrical discharge machining (WEDM) of a copper substrate for microfabrication. The effect of discharge current, pulse-on time, and gap voltage on surface finish were studied. The average surface roughness (R a ) and peak-to-valley height (R t ) were measured with a surface profiler. The surface roughness increased with higher discharge current and gap voltage. With the increase of pulse-on time, the surface roughness decreased. Statistical models were established to predict the surface roughness R a and R t in terms of discharge current, pulse-on time, and gap voltage. Using the optimized parameters, miniaturized spur gears, and plate-shaped hot embossing microtools were fabricated where an average surface roughness of about 1 µ m and dimensional accuracy of 1–2% were achieved. Taylor and Francis Inc. 2008 Article PeerReviewed application/pdf en http://irep.iium.edu.my/27095/1/015_MaMP_2008_23%287%29_641-645.pdf Ali, Mohammad Yeakub and Mohammad, Ammar Sami (2008) Experimental study of conventional wire electrical discharge machining for microfabrication. Materials and Manufacturing Processes, 23 (7). pp. 641-645. ISSN 1042-6914 http://www.tandfonline.com/doi/full/10.1080/10426910802316492#.Ue8og9JHIrU 10.1080/10426910802316492
repository_type Digital Repository
institution_category Local University
institution International Islamic University Malaysia
building IIUM Repository
collection Online Access
language English
topic TJ Mechanical engineering and machinery
TS Manufactures
spellingShingle TJ Mechanical engineering and machinery
TS Manufactures
Ali, Mohammad Yeakub
Mohammad, Ammar Sami
Experimental study of conventional wire electrical discharge machining for microfabrication
description This article discusses the investigation and optimization of the process parameters of conventional wire electrical discharge machining (WEDM) of a copper substrate for microfabrication. The effect of discharge current, pulse-on time, and gap voltage on surface finish were studied. The average surface roughness (R a ) and peak-to-valley height (R t ) were measured with a surface profiler. The surface roughness increased with higher discharge current and gap voltage. With the increase of pulse-on time, the surface roughness decreased. Statistical models were established to predict the surface roughness R a and R t in terms of discharge current, pulse-on time, and gap voltage. Using the optimized parameters, miniaturized spur gears, and plate-shaped hot embossing microtools were fabricated where an average surface roughness of about 1 µ m and dimensional accuracy of 1–2% were achieved.
format Article
author Ali, Mohammad Yeakub
Mohammad, Ammar Sami
author_facet Ali, Mohammad Yeakub
Mohammad, Ammar Sami
author_sort Ali, Mohammad Yeakub
title Experimental study of conventional wire electrical discharge machining for microfabrication
title_short Experimental study of conventional wire electrical discharge machining for microfabrication
title_full Experimental study of conventional wire electrical discharge machining for microfabrication
title_fullStr Experimental study of conventional wire electrical discharge machining for microfabrication
title_full_unstemmed Experimental study of conventional wire electrical discharge machining for microfabrication
title_sort experimental study of conventional wire electrical discharge machining for microfabrication
publisher Taylor and Francis Inc.
publishDate 2008
url http://irep.iium.edu.my/27095/
http://irep.iium.edu.my/27095/
http://irep.iium.edu.my/27095/
http://irep.iium.edu.my/27095/1/015_MaMP_2008_23%287%29_641-645.pdf
first_indexed 2023-09-18T20:40:17Z
last_indexed 2023-09-18T20:40:17Z
_version_ 1777409318758383616

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