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008 110406t2010 my a f m 000 0 eng d
020 _aTHE0006583(Local)
039 9 _a201905161027
_bamirul
_c201410131432
_dnabilah
_c201110041131
_dFida
_c201107140043
_dVLOAD
_y201104061435
_zida
040 _aUMP
090 _aTJ1191 .L44 2010 rs Bc.
100 1 _aLee, Wai Loon
245 1 0 _aEffect of electrical discharge machining process parameter on surface topograhy [sic] /
_cLee Wai Loon
246 3 _aEffect of electrical discharge machining process parameter on surface topography
_h[computer file]
246 3 _aEffect of electrical discharge machining process parameter on surface topography
260 _aKuantan, Pahang :
_bUMP,
_c2010
300 _axiii, 43 p. :
_bill. (some col.) ;
_c30 cm. +
_e1 computer disc
502 _aProject paper (Bachelor of Mechanical Engineering (Manufacturing)) -- Universiti Malaysia Pahang - 2010
504 _aBibliography : p. 39-40
520 3 _aThis paper was developed the mathematical modelling of EDM process parameters to predict the surface roughness of Ti-6Al-4V. The process is used in situations where intricate complex shapes need to be machined in very hard materials such as titanium alloy. However, the process generates surfaces that have poor properties such as high surface roughness, slow machining removal rate and moderate electrode wear rate. These properties vary with different levels of the main process parameters such as peak current, servo voltage, pulse on-time and pulse off-time. The aim of this paper is to perform experimental work that has been done in order to explore the relationships between input and output parameters. Response surface design is used because the input and output parameter were suspect have curvature relationships. A mathematical model develops base on response surface method. The significant coefficients were obtained by performing Analysis of Variance (ANOVA) at 95% level of significance. Adequacy test was carried out to check the fitting of the models. It found that the peak current, servo voltage and pulse on time are significant in material removal rate and surface roughness. Peak current has the greater impact on surface roughness and material removal rate. Finally, a metallurgical microscope is carried to observe the surface topography.
650 0 _aElectric metal-cutting
650 0 _aSurface roughness
999 _aVIRTUA40
_c2401
_d2407
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