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Method of wire electric discharge machining capable of detecting machining state and determining average voltage in machining gap and corresponding wire electric discharge machine.
Method of wire electric discharge machining capable of detecting machining state and determining average voltage in machining gap and corresponding wire electric discharge machine.
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机译：一种能够检测加工状态并确定加工间隙中的平均电压的电火花线切割加工方法及相应的电火花线切割机。
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摘要
In order to detect a machining state of a wire electric discharge machine, the state of a machining gap is classified into three categories; an open-circuit state in which electric discharge does not occur after a first predetermined level (V1) is reached or surpassed by a machining-gap voltage, an electric discharge state in which electric discharge occurs after a second predetermined level (V2) is reached or surpassed by the machining-gap voltage, whereby the machining-gap voltage becomes lower than the second predetermined level, and a short-circuit state wherein a third predetermined level (V3) is not reached or surpassed by the machining-gap voltage. An average voltage in the machining gap is determined based on voltages in these states and the number of cycles of voltage application to the machining gap, number of open-circuits, number of discharges, and number of short-circuits per unit time.
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