BI Jinzi, ZHANG Qinhe, ZHANG Jianhua, ZHANG Qinjian, QIN Yong
（Shandong University）
Abstract: A simulation system is developed to predict machined quality and optimize machining parameters of electric discharge machining ceramics in gas．The system can forecast the machined quality of electric discharge machining in gas with higher precision．In additionthe system can optimize machining parameters and analyze the dominant factors．Through the establishment of the process databasethe simulation system is applicable to electric discharge machining in other mediumit is a help to raisethe automation of electric discharge machining and develop the intellectualized system．
Keywords: electric discharge machining in gasceramics machiningsimulation systemquality forecastparameter optimization