電気加工学会誌
Online ISSN : 1881-0888
Print ISSN : 0387-754X
ISSN-L : 0387-754X
研究
ワイヤ放電加工におけるワイヤ断線防止制御
佐藤 達志佐藤 清侍三宅 英孝服部 広一郎戸倉 和
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ジャーナル フリー

2014 年 48 巻 118 号 p. 108-117

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抄録
 Wire-break, which greatly harms machining performance, can be prevented by reducing the ma- chining energy. However, too much reducing the energy also harms machining speed. Thus control algorithm which brings minimum requirement for wire-break prevention is needed. In this paper, we clarify there exists energy limit that brings wire-break, and the limit changes according to two factors: the workpiece thickness and the flow of dielectric fluid. In addition, we propose the control algorithm for wire-break prevention, which detect these two factors automatically. It is also shown that this control algorithm brings much higher performance when these two factor change during machining.
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