FIELD: process engineering.
SUBSTANCE: invention relates to spark erosion processing. Proposed device 100 comprises fluid 112 tank 110 and electrodes 104, 106 arranged in said tank 110 that feature shape 120 to set shapes of sections 122, 162 of billet 102. Billet holder 130 immerses, at least partially, the billet 102 in fluid 112 and displaces said billet 102 in turns between nonworking position and working position nearby electrode. Pulse generator 140 creates electric discharge between processed section and electrode for material removal from said section when billet 102 stays in working position. Displacement of billet 102 from electrode removes fluid 112 with billet particles from the space between biller 102 and electrode. Besides it is possible to use a composite electrode, each segment being provided with separate pulse generator.
EFFECT: high quality spark erosion processing, higher smoothness of processed surface.
16 cl, 9 dwg
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