Parametric Optimisation of Wire EDM of Heat Treated EN8 Steel Using Taguchi Technique
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2018, Vol 8, Issue 2
Abstract
The present research work optimizse the parameters of wire electrical discharge machining (wire EDM) of such as pulse on, pulse off, current and voltage using the Taguchi optimizsation technique in machining of heat treated EN8 steel. Machining is carried out in 50mm thickness workpiece (EN8 steel) with reusable molybdenum wire electrode having diameter 180 microns. Taguchi’s L18 orthogonal array with three levels was assigned for three parameters viz. pulse on time, pulse off time and current except gap voltage which is assigned to with two levels because of machine limitation. Single- pass cutting was adopted to keep the aggregate machining time as low as possible. Maximum material removal rate (MRR) and average surface roughness (Ra) are accounted as response parameters. Signal to noise ratios is are calculated to assess the error. It is found that current and voltage is the most dominant and influencing parameter in wire EDM of EN8 steel to achieve higher MRR or less Ra.
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- EP ID EP347787
- DOI 10.24247/ijmperdapr2018124
- Views 77
- Downloads 0
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