FIELD: process engineering.
SUBSTANCE: invention relates to electrochemical processing of metals and can be used for finishing of 3D complex surfaces. Tool comprises case of dielectric material, EDM electrode secured thereat and connected with negative pole of DC source. Note here that said EDM electrode is provided with means to create the gap between it and processed billet connected to DC source positive pole. Said electrode is composed of an adapter with soft three-ply shell rigidly secured at the case. Note here that shell first ply is made of rubber to make a closed chamber. Second ply is made of metal close-meshed gauze while third is made of non-metallic gauze. Note here that aforesaid case has two holes, one to be connected to pump-compressor outlet. Second hole is to be connected to vacuum pump inlet.
EFFECT: higher quality of finishing, precise geometrical sizes.
2 cl, 2 dwg
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