In this paper the latest advances and the principal issues in ECM are raised.Developments in tool design,pulse current,numerically controlled,micro-snapring,hybrid processed are covered.

• 对近些年国外电解加工的研究进展进行了综述和讨论，内容包括工具设计、脉冲电解、数控电解加工、微细加工、复合加工等。