Electrical discharge machining method

A processing method and electric spark technology, applied in the field of EDM, can solve the problems of easy occurrence of burrs, small size, unclear processing fonts, etc., and achieve the effects of high processing efficiency, low cutting resistance and clear graphics.

Inactive Publication Date: 2020-01-03
富联裕展科技(衡阳)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] When the size of each part of the image to be etched on the workpiece is quite different, such as when a trademark needs to be etched on the workpiece, Compared with other graphic sizes, the mark is very small. If a constant discharge gap is used to process it in place at one time, it will cause the problem that the processed font is not clear
In addition, in the existing processing technology, red copper is generally used as the tool electrode, and the workpiece pattern processed by the tool electrode pattern made of red copper is prone to burrs, and it is necessary to cooperate with the projector to perform deburring operations with copper wires

Method used

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Embodiment Construction

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0017] The electric discharge machining method provided by the present invention is used to form a preset pattern on a workpiece, such as figure 1 As shown, the electric discharge machining method includes:

[0018] S1 disassemble the preset figure into multiple unit figures according to the processing conditions of each part in the preset figure, and the figures in each of the unit figures are applicable to the same proces...

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Abstract

The invention provides an electrical discharge machining method for forming a preset figure on a workpiece. The electrical discharge machining method comprises the following steps that according to the machining conditions of each part of the preset figure, the preset figure is disassembled into a plurality of unit figures, and the figures in each unit figure are applicable to the same machining conditions; according to the contour parameters of the plurality of unit figures, a plurality of tool electrodes are correspondingly machined, and a tool electrode pattern corresponding to the unit figure is formed on the surface of each tool electrode, wherein the tool electrode adopts a graphite electrode; and the workpiece is placed on a workbench of a electrical discharge machining forming machine, and the workpiece is machined by the plurality of tool electrodes sequentially, and the plurality of unit figures are processed on the surface of the workpiece according to the plurality of toolelectrode pattern s to jointly form the preset figure. According to the electrical discharge machining method, the preset figure is disassembled, so that the figure of the machined workpiece is clear,and the graphite electrode is adopted, so that the figure of the machined workpiece is free of burrs.

Description

technical field [0001] The invention relates to the field of electrical discharge machining, in particular to an electrical discharge machining method. Background technique [0002] EDM, commonly known as electrical discharge machining, refers to the method of processing workpieces through the electric erosion effect of pulse discharge between tool electrodes and workpiece electrodes in a certain medium. During EDM, the tool electrode and the workpiece are respectively connected to the two poles of the pulse power supply, and immersed in the working fluid, or the working fluid is filled into the discharge gap, and the tool electrode is controlled to feed the workpiece through the gap automatic control system. When the gap between the two electrodes When the gap reaches a certain distance, the pulse voltage applied to the two electrodes breaks down the working fluid, generating spark discharge, which forms energy conversion on the surface of the workpiece to generate thermal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H1/00
CPCB23H1/00
Inventor 徐添
Owner 富联裕展科技(衡阳)有限公司
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