FIELD: performing operations.
SUBSTANCE: invention relates to spark erosion machining and can be used in production of articles from quartz glass. Device for plasma-chemical treatment of inner cavity of one-parameter surface of the second order of quartz glass articles includes cylindrical electrodes with length equal to or greater than the length of the cavity of the second-order one-parameter surface. Coaxially to electrodes near arc discharge zone there are two solenoids connected in series in high-frequency electric circuit in phase with each other. One of the electrodes has a channel for supplying plasma-forming argon gas to the arc discharge zone.
EFFECT: development of device for plasma-chemical etching of inner cavity of one-parameter surfaces of the second order.
1 cl, 3 dwg
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