| 半桥逆变式功率VMOSFET超声电发生器的研制 |
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| 引用本文： | 朱武,金长善,孙丽威.半桥逆变式功率VMOSFET超声电发生器的研制[J].应用声学,1998,17(2):40-43,25. |
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| 作者姓名： | 朱武 金长善 孙丽威 |
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| 作者单位： | 哈尔滨工业大学!哈尔滨，150001，哈尔滨工业大学!哈尔滨，150001，哈尔滨工业大学!哈尔滨，150001 |
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| 摘 要： | 本文介绍了一种用于超声波电火花复合加工的超声发生器，它以功率ＶＭＯＳ场效应管作开关元件，以单片集成电路ＴＬ４９４作为信号源控制核心。发在具有工作稳定可行以的特点。
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| 关 键 词： | 超声电发生器 驱动电路 超声波加工 电火花加工 |
Developing a half bridge inverting power VMOSFET ultrasonic electric generator |
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| Zhu Wu,Jin Changshan and Sun Liwei.Developing a half bridge inverting power VMOSFET ultrasonic electric generator[J].Applied Acoustics,1998,17(2):40-43,25. |
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| Authors: | Zhu Wu Jin Changshan and Sun Liwei |
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| Institution: | Harbin Institute of Technology Harbin, 150001;Harbin Institute of Technology Harbin, 150001;Harbin Institute of Technology Harbin, 150001 |
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| Abstract: | 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. |
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| Keywords: | Ultrasonic electric generator Driving circuit Thermal resistance |
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