发明授权
US4051422A Programming apparatus for electroerosion cutting machine 失效
电动切割机编程设备

摘要:
A programming apparatus for an electroerosion cutting machine with two jig tables displaced by motion screw comprising: a counter-commutator controlling motors in the course of machining piece sectors tilted with respect to coordinate axes; pulse angular displacement sensors, each having an element sensing the revolutions of the respective motion screws and mounted together with the latter on the same roll; and sensors reacting to the actions produced by said element due to the revolutions of the respective motion screw.
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