Wire electric discharge machining apparatus, wire electric discharge machining method, and control device
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Dec 19, 2013
filing date -
Dec 19, 2013
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Abstract
A wire electric discharge machining apparatus includes a machining unit that forms a product part by cutting off an outer frame portion from a workpiece and a control device that controls the machining unit. The machining unit machines a first boundary region in a boundary between a member to be the outer frame portion and a member to be the product part to leave an uncut portion, cuts off the product part from the outer frame portion by machining a second boundary region, which is the uncut portion, and repeats machining for the first/second boundary regions. The uncut portion has a side crossing a machining direction in machining the second boundary region, and when machining the second boundary region, the control device controls the machining unit to start the machining from the crossing side.
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