Analysis of the Corner Error in WEDM

Li Jun Yang; Xi Nan Dang

doi:10.4028/www.scientific.net/AMM.37-38.146

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Analysis of the Corner Error in WEDM
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 37-38Analysis of the Corner Error in WEDM

Analysis of the Corner Error in WEDM

Abstract:

This paper introduced some current researches on the corner error in WEDM and put forward the factors that have an influence on the corner error. The deflection of the wire-electrode that has been caused by discharge force, feeding directions of the wire-electrode and radial flops of the guide pulley was analyzed in detail. To minimize corner errors, the energy control strategy and the trace control strategy are presented. Especially in WEDM-HS processing, the methods improving the processing precision are given as follows: Using the over-cutting and retract program, controlling the wire-electrode tension and improving the guiding and allocation parts.