Wire Electrical Discharge Machining of Tungsten Carbide

This paper presented a study on the machining of tungsten carbide (WC-15%Co) using wire electro-discharge machining (WEDM) with brass wire diameter of 0.2 mm used as the tool electrode. The main purposes of this study is to investigate the influenced of various parameters involved in WEDM on the mac...

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Main Author: Mas Ayu, Hassan
Format: Conference or Workshop Item
Language:English
Published: 2008
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/1227/
http://umpir.ump.edu.my/id/eprint/1227/2/2008_Full_paper_COSTAM_Mas_Ayu.pdf
id ump-1227
recordtype eprints
spelling ump-12272018-01-31T06:34:31Z http://umpir.ump.edu.my/id/eprint/1227/ Wire Electrical Discharge Machining of Tungsten Carbide Mas Ayu, Hassan TJ Mechanical engineering and machinery TK Electrical engineering. Electronics Nuclear engineering This paper presented a study on the machining of tungsten carbide (WC-15%Co) using wire electro-discharge machining (WEDM) with brass wire diameter of 0.2 mm used as the tool electrode. The main purposes of this study is to investigate the influenced of various parameters involved in WEDM on the machining characteristics, namely, sparking gap (Gap), cutting speed (CS) and microstructure after undergone WEDM process. The Full Factorial Design of Experiment (DOE) method with two-level was used to formulate the experimental layout, to analyze the effect of each parameter on the machining characteristics and to predict the optimal setting for each WEDM parameters such as pulse on (ON), pulse off (OFF), peak current (IP) and servo voltage (SV). Confirmation tests were also conducted for the optimum conditions for each machining characteristics, in order to verify and compared the results from the theoretical prediction (Design Expert) and experimental confirmation tests. In this investigation, the machining operation for tungsten carbide is performed using Sodick linear motor WEDM series AQ537L. Meanwhile, for the measurement equipments; Zeiss Axiotech High Power Optical Microscope is used to measure Gap and to examine the microstructures of the machined surface, Scanning Electron Microscope XL40 is carried out. Analysis done by DOE method reveals that in general, pulse on has appeared to be significant effect to all three responses investigated in this research. Overall, the results from the confirmation tests showed that the percentage of performance is acceptable due to all the results obtained were within the allowable values which is less than 10% of margin error. 2008 Conference or Workshop Item PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/1227/2/2008_Full_paper_COSTAM_Mas_Ayu.pdf Mas Ayu, Hassan (2008) Wire Electrical Discharge Machining of Tungsten Carbide. In: Malaysian Science And Technology Congress 2008 (MSTC 2008), 16 – 17 December 2008 , Kuala Lumpur Convention Centre. . (Unpublished)
repository_type Digital Repository
institution_category Local University
institution Universiti Malaysia Pahang
building UMP Institutional Repository
collection Online Access
language English
topic TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics Nuclear engineering
Mas Ayu, Hassan
Wire Electrical Discharge Machining of Tungsten Carbide
description This paper presented a study on the machining of tungsten carbide (WC-15%Co) using wire electro-discharge machining (WEDM) with brass wire diameter of 0.2 mm used as the tool electrode. The main purposes of this study is to investigate the influenced of various parameters involved in WEDM on the machining characteristics, namely, sparking gap (Gap), cutting speed (CS) and microstructure after undergone WEDM process. The Full Factorial Design of Experiment (DOE) method with two-level was used to formulate the experimental layout, to analyze the effect of each parameter on the machining characteristics and to predict the optimal setting for each WEDM parameters such as pulse on (ON), pulse off (OFF), peak current (IP) and servo voltage (SV). Confirmation tests were also conducted for the optimum conditions for each machining characteristics, in order to verify and compared the results from the theoretical prediction (Design Expert) and experimental confirmation tests. In this investigation, the machining operation for tungsten carbide is performed using Sodick linear motor WEDM series AQ537L. Meanwhile, for the measurement equipments; Zeiss Axiotech High Power Optical Microscope is used to measure Gap and to examine the microstructures of the machined surface, Scanning Electron Microscope XL40 is carried out. Analysis done by DOE method reveals that in general, pulse on has appeared to be significant effect to all three responses investigated in this research. Overall, the results from the confirmation tests showed that the percentage of performance is acceptable due to all the results obtained were within the allowable values which is less than 10% of margin error.
format Conference or Workshop Item
author Mas Ayu, Hassan
author_facet Mas Ayu, Hassan
author_sort Mas Ayu, Hassan
title Wire Electrical Discharge Machining of Tungsten Carbide
title_short Wire Electrical Discharge Machining of Tungsten Carbide
title_full Wire Electrical Discharge Machining of Tungsten Carbide
title_fullStr Wire Electrical Discharge Machining of Tungsten Carbide
title_full_unstemmed Wire Electrical Discharge Machining of Tungsten Carbide
title_sort wire electrical discharge machining of tungsten carbide
publishDate 2008
url http://umpir.ump.edu.my/id/eprint/1227/
http://umpir.ump.edu.my/id/eprint/1227/2/2008_Full_paper_COSTAM_Mas_Ayu.pdf
first_indexed 2023-09-18T21:54:11Z
last_indexed 2023-09-18T21:54:11Z
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