High aspect ratio micro-EDM drilling with nano surface finish

This paper presents the issues related to high aspect ratio in micro drilling on metallic materials using micro electro discharge machining (Micro-EDM). Experimental investigation is carried out by drilling high aspect ratio micro holes on copper workpiece with 1 mm diameter tungsten carbide tool el...

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Main Authors: Ali , Mohammad Yeakub, Abd. Rahman, Mohamed, Banu, Asfana, Adnan, Shakira, Nadia, Fatin
Format: Conference or Workshop Item
Language:English
Published: Springer International Publishing 2016
Subjects:
Online Access:http://irep.iium.edu.my/50609/
http://irep.iium.edu.my/50609/
http://irep.iium.edu.my/50609/
http://irep.iium.edu.my/50609/1/50609_High_Aspect_Ratio_Micro-EDM_Drilling.pdf
id iium-50609
recordtype eprints
spelling iium-506092016-10-27T04:12:59Z http://irep.iium.edu.my/50609/ High aspect ratio micro-EDM drilling with nano surface finish Ali , Mohammad Yeakub Abd. Rahman, Mohamed Banu, Asfana Adnan, Shakira Nadia, Fatin TJ170 Mechanics applied to machinery. Dynamics TS Manufactures This paper presents the issues related to high aspect ratio in micro drilling on metallic materials using micro electro discharge machining (Micro-EDM). Experimental investigation is carried out by drilling high aspect ratio micro holes on copper workpiece with 1 mm diameter tungsten carbide tool electrode using micro-EDM DT 110 with two varying parameters voltage and capacitance. For the measurement and observation of aspect ratio, roundness, and surface roughness were performed by scanning electron microscope, optical microscope, and WYKO NT1100 optical profiler respectively. The purpose of this paper is to achieve high aspect ratio, accurate roundness, and low surface roughness with the minimum wear of tool electrode within machining time. The data were analyzed by Design Expert software. Emperical models for aspect ratio, roundness, and surface roughness are developed. The analysis revealed that the most influential parameter is capacitance. Multiple optimization of responses showed that the optimum parameter values are 90 V gap voltage and 0.26 μF capacitance which provide 2.4 aspect ratio, 44 μm roundness, and 6.0 μm Ra surface roughness. The desirability achieved by optimization is 73.9%. The models are validated by experiments. Springer International Publishing 2016 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/50609/1/50609_High_Aspect_Ratio_Micro-EDM_Drilling.pdf Ali , Mohammad Yeakub and Abd. Rahman, Mohamed and Banu, Asfana and Adnan, Shakira and Nadia, Fatin (2016) High aspect ratio micro-EDM drilling with nano surface finish. In: The Regional Conference on Science, Technology and Social Sciences 2014 (RCSTSS 2014), 23rd-25th Nov. 2014, Cameron Highland, Pahang. http://link.springer.com/chapter/10.1007%2F978-981-10-0534-3_15 10.1007/978-981-10-0534-3_15
repository_type Digital Repository
institution_category Local University
institution International Islamic University Malaysia
building IIUM Repository
collection Online Access
language English
topic TJ170 Mechanics applied to machinery. Dynamics
TS Manufactures
spellingShingle TJ170 Mechanics applied to machinery. Dynamics
TS Manufactures
Ali , Mohammad Yeakub
Abd. Rahman, Mohamed
Banu, Asfana
Adnan, Shakira
Nadia, Fatin
High aspect ratio micro-EDM drilling with nano surface finish
description This paper presents the issues related to high aspect ratio in micro drilling on metallic materials using micro electro discharge machining (Micro-EDM). Experimental investigation is carried out by drilling high aspect ratio micro holes on copper workpiece with 1 mm diameter tungsten carbide tool electrode using micro-EDM DT 110 with two varying parameters voltage and capacitance. For the measurement and observation of aspect ratio, roundness, and surface roughness were performed by scanning electron microscope, optical microscope, and WYKO NT1100 optical profiler respectively. The purpose of this paper is to achieve high aspect ratio, accurate roundness, and low surface roughness with the minimum wear of tool electrode within machining time. The data were analyzed by Design Expert software. Emperical models for aspect ratio, roundness, and surface roughness are developed. The analysis revealed that the most influential parameter is capacitance. Multiple optimization of responses showed that the optimum parameter values are 90 V gap voltage and 0.26 μF capacitance which provide 2.4 aspect ratio, 44 μm roundness, and 6.0 μm Ra surface roughness. The desirability achieved by optimization is 73.9%. The models are validated by experiments.
format Conference or Workshop Item
author Ali , Mohammad Yeakub
Abd. Rahman, Mohamed
Banu, Asfana
Adnan, Shakira
Nadia, Fatin
author_facet Ali , Mohammad Yeakub
Abd. Rahman, Mohamed
Banu, Asfana
Adnan, Shakira
Nadia, Fatin
author_sort Ali , Mohammad Yeakub
title High aspect ratio micro-EDM drilling with nano surface finish
title_short High aspect ratio micro-EDM drilling with nano surface finish
title_full High aspect ratio micro-EDM drilling with nano surface finish
title_fullStr High aspect ratio micro-EDM drilling with nano surface finish
title_full_unstemmed High aspect ratio micro-EDM drilling with nano surface finish
title_sort high aspect ratio micro-edm drilling with nano surface finish
publisher Springer International Publishing
publishDate 2016
url http://irep.iium.edu.my/50609/
http://irep.iium.edu.my/50609/
http://irep.iium.edu.my/50609/
http://irep.iium.edu.my/50609/1/50609_High_Aspect_Ratio_Micro-EDM_Drilling.pdf
first_indexed 2018-09-07T07:03:28Z
last_indexed 2018-09-07T07:03:28Z
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