System for manufacturing tire molding metal molds with electrica

Electric heating – Metal heating – Cutting or disintegrating

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219 69E, 51237R, 51 59R, B23P 108

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active

044094574

ABSTRACT:
A system for manufacturing tire molding metal molds with electrical discharge machining is disclosed, which makes possible the rotation, longitudinal and cross feeding of a work table on which a workpiece to be machined into a tire molding metal mold is placed and the rotation, lifting and lowering of a machining head, whereby the workpiece is discharge-machined by feeding a discharge machining electrode in a plurality of different directions corresponding to a plurality of projections protruding essentially vertical to the tire molding surface of the tire molding metal mold to be machined, and by changing electrodes having such profiles as to prevent the excess metal removal of the projections in accordance with each of the electrode feeding directions.

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patent: 3952179 (1976-04-01), Baker
patent: 3959929 (1976-06-01), Fleischmann et al.
patent: 4100388 (1978-07-01), Meyer
patent: 4132038 (1979-01-01), O'Connor
patent: 4247748 (1981-01-01), Sato et al.

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