强大的冲击电流流入土壤后会形成很强的电场，使土壤发生强烈的局部放电，使土壤导电性增大，其效果犹如增大了接地电极的尺寸，使接地电阻小于工频电流下的数值，这种效应称为火花效应。
通过电火花修整试验研究了修整过程中的极性效应以及不同电参数对修整效率和整形精度的影响。
Polarity effects and the influences of different electrical parameters on wheel dressing efficiency and accuracy were studied in the experiments.
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。
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.
研究了结构陶瓷电火花加工热影响层厚随脉冲参数变化的规律以及蚀除机理的各种分离方式作用效应的变化规律。
This paper deals with the regularities of the thickness of thermal damage surface and effect of all of the mechanisms in EDM of structural ceramics .
应用推荐