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Processing method of three-dimensional microstructure prepared by minute electric sparks based on sheet electrodes

A processing method and EDM technology, which is applied in the field of processing three-dimensional microstructures prepared by micro-EDM, can solve the problems of serious micro-electrode loss, low processing efficiency, and difficulty in working normally for a long time, so as to reduce micro-electrode loss and improve The effect of processing efficiency and simple molding process

Inactive Publication Date: 2015-04-15
深圳市全达高分子材料科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

However, because the diameter of the cylindrical microelectrode is very small relative to the scanning area, the processing efficiency is very low
In addition, during the layer-by-layer scanning milling and electrical discharge machining of the micro-electrode, the wear of the micro-electrode is very serious, and it is difficult to work normally for a long time

Method used

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  • Processing method of three-dimensional microstructure prepared by minute electric sparks based on sheet electrodes
  • Processing method of three-dimensional microstructure prepared by minute electric sparks based on sheet electrodes
  • Processing method of three-dimensional microstructure prepared by minute electric sparks based on sheet electrodes

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Embodiment 1

[0050]1) First, through the three-dimensional computer-aided design CAD software system, a CAD geometric model is established for the three-dimensional microstructure of the material to be processed;

[0051] 2) Establish a corresponding CAD geometric model of the three-dimensional micro-EDM electrode according to the established three-dimensional microstructure CAD geometric model, and discretely slice the three-dimensional microelectrode to obtain a discrete slice geometric model;

[0052] 3) Transform the discrete slice geometric model of the 3D microelectrode into a set of parallel thin electrode data models;

[0053] 4) According to the sheet electrode data model in the computer, the laser cutting system cuts the corresponding sheet electrodes one by one on a piece of copper foil with a thickness of 0.02mm. The center distance of each sheet electrode is 4mm. After removing the waste, a set of sheets is obtained. electrode array;

[0054] 5) if Figure 4 , Figure 5 As ...

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Abstract

The invention relates to a processing method for preparing a three-dimensional microstructure based on a thin electric discharge of a sheet electrode. The CAD geometric model of the electrode; then discretely slice the CAD geometric model of the three-dimensional micro-EDM electrode; transform the discrete slice geometric model into a set of parallel sheet electrode data models; Corresponding sheet electrodes are cut one by one on a piece of sheet electrode material to obtain a set of sheet electrode arrays; finally, micro electric discharge machining is performed. The processing method of the present invention can avoid the large-area layer-by-layer scanning milling discharge processing of the cylindrical microelectrode when the two-dimensional sheet electrode is used for the discharge processing, and only adopts the simple up and down reciprocating moving discharge mode, which can effectively improve the processing efficiency and reduce the cost. Little microelectrode wear.

Description

technical field [0001] The invention relates to a processing method for a three-dimensional microstructure, in particular to a processing method for preparing a three-dimensional microstructure based on a thin electric discharge of a sheet electrode. Background technique [0002] Generally, the microstructure is defined as: at least on the two-dimensional scale, the article with submillimeter or micron-scale micro-feature structure is called micro (structural) parts. [0003] The preparation of three-dimensional microstructures by micro-electrode discharge machining is one of the mainstream processing methods for preparing three-dimensional microstructures. The main methods for preparing three-dimensional microstructures using micro-electrode discharge machining are: [0004] (1) Connect several layers of two-dimensional sheet electrodes to superimpose and fit a three-dimensional microelectrode, and use the three-dimensional microelectrode for electrical discharge machining...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H9/00
Inventor 徐斌伍晓宇雷建国罗烽梁雄阮双琛
Owner 深圳市全达高分子材料科技有限公司
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