The paper introduces a calculating method of offset in the reference and unreference of blanking die in WEDM.And based on it,reach an approach to fast program for unreference die.

• 介绍了数控电火花线切割加工冲裁模时基准模与非基准模补偿量的计算方法,并在此基础上得出一种快速编制非基准模加工程序的途径。