Experimental Investigation of Electrode Wear in Die-Sinking EDM on Different Pulse-on &off Time (µs) in Cylindrical Copper Electrode
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2015, Vol 5, Issue 3
Abstract
EDM is an advanced machining method for manufacturing, hard material parts which are difficult to machine by conventional machining process. There are various type of products which can be produced by using Die-sinking EDM, such as dies, moulds. Parts of aerospace, automobile industry and surgical components can be finished machined by EDM. In present scenario numbers of researchers have explored a number of ways to improve EDM efficiency. The optimum selection of manufacturing condition is very important in manufacturing processes as they determine surface quality, dimensional accuracy of the obtained parts. This experimental investigation is mainly focused on electrode wear in cylindrical copper electrode on different pulse-on & off time (µs) at constant current(amp.) which is an important parameter. In this experimental work, an investigation has been made to optimize the response parameter (electrode wear) of EDM on die-steel with electrolytic cylindrical copper electrode. Die-steel (HRC-58) is widely used in production of dies. In this investigation copper has been taken as electrode and die-steel as a work piece. Electrode wear has been investigated in the form of weight (gm) and length (mm.) of electrode on different input process parameters. viz constant discharge current (amp.), pulse on time (T-on), pulse off time (T-off)
Authors and Affiliations
Bharat Raj Bundel
Keywords
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