Correct selection of processing parameters of pulse power supply ， Can improve High precision parts customization Processing index and stability 。 Stay Copper products processing plant Rough machining ， Large processing current and pulse energy should be selected ， High material removal rate can be obtained （ I.e. processing productivity ）。 While finishing ， Small processing current and single pulse energy shall be selected ， The workpiece with high surface roughness can be obtained 。

　　 High precision parts customization Machining current is the average value of current passing through the machining zone 。 Single pulse energy ， Mainly by pulse width 、 Peak current 、 Processing amplitude voltage determination 。 Pulse width refers to the duration of pulse current during pulse discharge ， Peak current Peak value of pulse current during EDM ， Machining amplitude voltage refers to the peak value of pulse voltage during EDM 。

　　 The following parameters are available Copper products processing plant ／ Stainless steel processing plant Reference when using :

　　 Finish machining ：SA1 Select the first gear on the left ，SA8 Press to “L” Position ， The amplitude voltage is 75V About ，SA2、SA3 Connect ， Adjust potentiometer RP1， Processing current Stay 0.8～1.2A， Machined surface roughness Ra≤2.5um。

　　 Maximum material removal processing ：SA1 Select left to start fourth gear ，SA8 Press to “H” Position ， The amplitude voltage is 100V About ，SA2～SA7 Whole Connect ， Adjust RP1， Processing current Control Stay 4～4.5A， Available 100m㎡/min About Removal rate （ Processing productivity ）。( Material thickness Stay 40～60mm About )。

　　 Large thickness High precision parts customization Workpiece machining (＞300mm)： Amplitude voltage to “H” Block ，SA1 Select fifth 、 Six Block Power transistor open 4～5 Individual ， Processing current 2.5～3A， Material removal rate ＞30m㎡/min。

　　 Relatively Large thickness High precision parts customization Workpiece machining （60-100mm）： Amplitude voltage to High Block ，SA1 Select fifth Block ， Power transistor open 4 Individual ， Processing current Transfer to 2.5-3A， Material removal rate 50-60m㎡/min。

　　 Thin workpiece processing ： Select low amplitude voltage Block ，SA1 Choose first or second Block ， Power transistor open 2-3 Individual ， Processing current Transfer to 1A About 。