Experimental Study on Dry WEDM Finishing

Tong Wang; Feng Qiu; C.Q. Wang; G.Z. Zhang; Xiao Cun Xu

doi:10.4028/www.scientific.net/KEM.455.190

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Experimental Study on Dry WEDM Finishing
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 455Experimental Study on Dry WEDM Finishing

Experimental Study on Dry WEDM Finishing

Abstract:

Comparing with conventional WEDM in emulsion, dry finishing of high-speed WEDM (HS-WEDM) has advantages such as higher material removal rate, better surface roughness and straightness. Authors have presented a new procedure as gas-liquid combined multiple cut, in which roughing is processed in dielectric liquid, and semi-finishing is in liquid or gas, while finishing is in gas. For better understanding the effect of machining parameters on surface roughness and cutting speed in dry finishing, a L25(56) Design was implemented. The analysis of variance shows that the effect of pulse duration on surface roughness is of high significance, and peak current is of significance respectively, and the effect of no load worktable feed on cutting speed is high significant.