微细电化学加工纳秒脉冲电源的研制  

Development of nanosecond pulse power supply for electro-chemical micro-machining

作　　者：张建华[1] 葛红宇[1] 李宏胜[1] 方力[1] 

机构地区：[1]南京工程学院自动化学院,江苏南京211167

出　　处：《制造技术与机床》2011年第10期37-40,共4页Manufacturing Technology & Machine Tool

基　　金：江苏省自然科学基金(BK2009350);江苏省高校自然科学基金(09KJB460005);南京工程学院基金(KXJ07004)

摘　　要：根据微细电化学加工的工艺特点,采用CPLD器件EPM7160与8位单片机STC12C5A60S2,设计了微细电化学加工纳秒脉冲电源。脉冲参数设置通过专用键盘或RS232实现,参数显示采用国显电子的12864液晶模块实现,人机界面友好。通过RS232,电源可以接受主控计算机的实时参数调整。测试表明,脉宽、脉间等脉冲参数可调,且调节方便,通用性强。输出脉宽、脉间可以调至20ns以下,适于微细电化学加工。According the processing character of electrochemical micro-machining,a nanosecond pulse power supply is developed with a CPLD device EPM7160,and a 8 bit microcontroller STC12C5A60S2.Special keyboard and RS232 communication circuit used for parameter setting is built,and display circuit with 12864 LCD module is also realized so that friendly man-machine interface of the power supply is achieved.At the same time,the parameters of the power supply can be adjusted on line by the host computer of the electrochemical micro-machining system.The system tests indicate that parameters such as pulse duration and pulse interval are opt to be adjusted.The pulse duration or pulse interval can be adjusted to less than 20 ns,which is suitable for electrochemical micro-machining.

关 键 词：微细电化学加工 电源 纳秒 脉冲参数 

分 类 号：TG662[金属学及工艺—金属切削加工及机床]