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High-frequency pulse power supply for ultra-fine micro-EDM machine tools

A technology for processing machine tools and high-frequency pulses, applied in electric processing equipment, metal processing equipment, circuits, etc., can solve problems such as limiting the scope of application, and achieve the effect of improving maintenance efficiency, stable performance, and high program security.

Inactive Publication Date: 2011-12-21
WUXI MICRO RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the diversity of workpiece materials in actual processing, the processing size and accuracy requirements are also diverse, so the existing high-frequency pulse power supply can only be limited to the processing of individual materials and individual processing size and accuracy requirements, which limits its scope of application.

Method used

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  • High-frequency pulse power supply for ultra-fine micro-EDM machine tools
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  • High-frequency pulse power supply for ultra-fine micro-EDM machine tools

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Embodiment Construction

[0028] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0029] figure 1 It is an overall structure diagram of the present invention. like figure 1 As shown, the present invention at least includes a multi-speed transformer 2 , a multi-speed resistance 3 , a switching power supply 5 , a digital display DC voltmeter 6 , a high-frequency discharge circuit module 7 , a main control module 8 and a fan 12 . In actual use, the components that can be selected and connected according to needs include a control switch 1 , a multi-level voltage resistance adjustment switch 4 , an external voltmeter 9 , an external ammeter 10 and a host computer 11 .

[0030] like figure 1 As shown, the control switch 1 controls the power on and off of the switching power supply 5 and the multi-speed transformer 2 . The external multi-level voltage resistance adjustment switch 4 correspondingly adjusts the voltage of the m...

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Abstract

The invention discloses a special-purpose high-frequency pulse power supply for an ultrafine micro electric discharge machine tool, which mainly includes two modules, namely a main control module and a high-frequency discharge module. Its power supply discharge voltage and discharge gap are multi-level adjustable, and the two can be combined at will. The invention can adapt to discharge machining of different materials, processing sizes and precisions, and can conveniently expand the pulse power supply to multi-pulse output, so as to adapt to various types of ultra-fine electric discharge processing machine tools.

Description

technical field [0001] The invention relates to the field of high-frequency pulse power supply, in particular to a high-frequency pulse power supply specially used for ultra-fine electric spark machining machine tools. Background technique [0002] EDM is to connect the tool electrode and the workpiece to the two poles of the pulse power supply respectively, and immerse them in the working fluid, and use the electrical corrosion phenomenon during the pulsed spark discharge between the positive and negative electrodes to erode the excess metal, and change the size and shape of the parts. And the special processing method that the surface quality is processed to the predetermined requirements. [0003] The voltage, pulse frequency and pulse width interval of the existing high-frequency pulse power supply used for EDM are not adjustable during pulsed spark discharge. Due to the diversity of workpiece materials, processing dimensions and precision requirements in actual process...

Claims

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Application Information

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IPC IPC(8): B23H11/00B23H1/02
Inventor 虞锋
Owner WUXI MICRO RES
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