半桥逆变式功率VMOSFET超声电发生器的研制  

Developing a half bridge inverting power VMOSFET ultrasonic electric generator

作　　者：朱武[1] 金长善[1] 孙丽威 

机构地区：[1]哈尔滨工业大学,哈尔滨150001

出　　处：《应用声学》1998年第2期40-43,25,共5页Journal of Applied Acoustics

摘　　要：本文介绍了一种用于超声波电火花复合加工的超声电发生器，它以功率VMOS场效应管作为开关元件，以单片集成电路TL494作为信号源的控制核心．发生器具有工作稳定可靠、重量轻的特点．An ultrasonic electric generator, which can be used in an ultrasonic EDM system, is described. A power VMOSFET works as the switching element, while a TL494 works as the heart of signal control. The generator is characterized by high reliability and light weight.

关 键 词：超声电发生器 驱动电路 超声波加工 电火花加工 

分 类 号：TG663[金属学及工艺—金属切削加工及机床] TG661