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Electrochemical corrosion processing method for micro fine cylindrical group electrode

A technology of corrosion processing and group electrodes, applied in electric processing equipment, processing electrodes, electrode manufacturing, etc., can solve problems such as low processing quality, high manufacturing cost, and complicated process flow

Active Publication Date: 2009-09-30
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a high processing efficiency, low manufacturing cost, and a processing method for micro-group electrodes with a high aspect ratio, aiming at the shortcomings of complex process flow, high manufacturing cost, and low processing quality in the current micro-group electrode manufacturing method. method

Method used

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  • Electrochemical corrosion processing method for micro fine cylindrical group electrode
  • Electrochemical corrosion processing method for micro fine cylindrical group electrode
  • Electrochemical corrosion processing method for micro fine cylindrical group electrode

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Embodiment Construction

[0054] Such as figure 1 As shown, the electrochemical corrosion processing of micro-cylindrical group electrodes is carried out on a CNC machine tool that can realize three-degree-of-freedom movement including the machine tool body 2, the CNC workbench 13, and the z-axis 3; the electrochemical corrosion processing system is installed on the CNC workbench 13 The electrolyte tank 5 on the top, the tool cathode 9 fixed in the electrolyte tank by the cathode installation fixture 7, the workpiece anode 8 immersed in the electrolyte by the anode installation fixture 4, and the ammeter 10, the data acquisition card 11, the computer 12, the direct current The power supply 14 is composed.

[0055] The relative position between the workpiece anode 8 and the tool cathode 9 is adjusted by the movement of the numerical control workbench 13 to make it reach the expected design state. The depth of the workpiece anode 9 immersed in the electrolyte is controlled by the up and down movement of...

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Abstract

The invention relates to an electrochemical corrosion processing method for micro-column group electrodes, which belongs to the field of electrolytic processing. The method comprises the following steps: (1) using electric discharge wire cutting or micro-milling technology to manufacture a group electrode blank with multiple single electrodes; (2) using finite element method to design and manufacture the cathode of an electrochemical corrosion tool; (3) The group electrode blank is used as an electrochemical corrosion anode, immersed in the electrolyte, so that each single column on the blank is completely below the liquid level; the electrochemical corrosion cathode and anode are placed vertically and parallelly; (4) power on, and the group electrode blank is Electrochemical corrosion processing uses constant voltage processing and charge method to control the shape and processing size of group electrodes respectively. The method of the invention has the characteristics of simple processing equipment and control mode, high processing efficiency and processing quality, and low manufacturing cost.

Description

technical field [0001] The electrochemical corrosion processing method of micro-cylindrical group electrodes of the invention belongs to the technical field of electrolytic processing. Background technique [0002] As a typical microstructure, microarray group holes are widely used in aerospace, precision instruments, chemical fiber and other fields, such as high-speed printer nozzle plate, optical fiber connector, chemical fiber spinneret, micro filter and electron microscope grating, etc. For the processing of micro-group hole structures, compared with conventional drilling, micro-electric machining has the advantages of no mechanical cutting force, high machining accuracy and efficiency, and can be processed on thin-walled, elastic parts and other low-rigidity workpieces. Therefore, It has broad application prospects in the processing of micro-porous structures. The machining of micro-cylindrical group electrodes is the key link to realize the micro-electromachining of g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H7/22B23H3/04B23H1/04
Inventor 朱荻王磊曲宁松王明环
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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