By using the tunnel effect principle of quantum mechanics, the mechanism of electrospark machining is studied, and a new explanation of the essence of electrospark machining is given.
利用量子力学隧道效应原理，对电火花加工机理进行了研究，给出了电火花加工本质的新解释。
These factors are studied comprehensively by means of the elastic mechanics and physics in this paper and, the correction formular of machining dimension for bush hole is derived.
本文运用弹性力学和物理学对上述各因素进行综合研究，导出衬套孔加工尺寸修正公式。
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