从线切割的加工精度、粗糙度和残余变形三方面详细阐述了影响线切割加工质量的原因，并给出了相应的解决办法。
The reasons of WEDM affecting manufacture quality are stated from WEDM precise, roughness and remain deforming, and the solving steps are presented.
提出了利用切割面下缘粗糙度作为评价切割面质量的方法。
The article presents a method with the roughness of the lowest cut face as the main criterion for quality evaluation and detection.
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