FIELD: manufacture of drawing dies. SUBSTANCE: formation of thin-walled casting pattern is began from formation of frame of pattern of easily deformed metal net, then, net meshes are filled with self-hardening plastic, and outer and inner surfaces of frame are coated with current-conducting layer, and metal layer is deposited on frame by electrochemical method. EFFECT: higher efficiency. 4 dwg
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|---|---|---|---|
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| METHOD OF CASTING WITH USE OF INVESTMENT PATTERNS AND WITH CRYSTALLIZATION UNDER PRESSURE | 1989 |
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