Metal surface micro texture group electrode direct writing micro electrolysis processing method and dedicated device

A metal surface and processing method technology, applied in the field of metal surface micro-texture group electrode direct writing micro-electrochemical machining, can solve the problems of complex process method, long processing cycle, tool wear, etc., to avoid tool wear, shorten processing cycle, The effect of good workpiece processing quality

CN103111696AInactive Publication Date: 2013-05-22ZHEJIANG UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2013-05-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

Provided is a metal surface micro texture array electrode direct writing micro electrolysis processing method and a dedicated device. The processing method includes a first step of processing metal surface micro texture of workpieces to be processed by adopting line-shaped array electrodes, and a second step of enabling the array electrodes to conduct relative movement with the workpieces to be processed under the control of a machine tool numerical control system and processing the micro texture out of the surfaces of the workpieces to be processed under the conditions of flow of electrolyte and power-on of a processing power supply. The dedicated device comprises a machine tool, an electrolyte circulating device, a line-shaped array electrodes, a computer and a power supply provided with an anode and a cathode, the electrolyte circulating device and the line-shaped array electrodes are respectively in electric connection with the computer and meanwhile controlled by the machine numerical control system matched with the computer. The metal surface micro texture group electrode direct writing micro electrolysis processing method and the dedicated device has the advantages of being capable of processing complicated texture structure with the electrodes in simple shapes, free from need to manufacture a mask plate, short in processing cycle, high-efficiency, capable of avoiding deformation of the surfaces of the workpieces and 'secondary processing' and good in quality.
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Description

technical field

[0001] The invention relates to a direct-writing micro-electrolytic processing method and special equipment for metal surface micro-texture group electrodes. Background technique

[0002] The microstructure morphology of the metal surface (such as micro-pit, micro-groove, etc.), with its excellent characteristics of reducing friction, reducing wear and improving bearing capacity, has been proved to be a method to improve the tribological properties of the surface of the friction pair. effective means. With the improvement of micro-texture application requirements, micro-modeling technology has been developed day by day. So far, the methods for processing micro-textures on metal surfaces include micro-cutting, ultrasonic machining, micro-EDM, micro-electrolytic machining, LIGA technology, photolithography, electron beam etching, reactive ion etching, and surface shot peening. , Laser surface micro-modelling, etc.

[0003] Micro-cutting, ultrasonic machining...

Examples

Embodiment 1

[0023] Example 1 The direct-writing micro-electrolytic machining method of metal surface micro-texture group electrodes includes the following steps:

[0024] 1) Using row-shaped group electrodes to process the micro-texture of the metal surface of the workpiece to be processed;

[0025] 2) Under the control of the numerical control system of the machine tool, the row-shaped group electrodes move relative to the workpiece to be processed. When the electrolyte is circulated and the processing power is turned on, the micro-texture is processed on the surface of the workpiece to be processed.

Embodiment 2

[0026] Embodiment 2 According to the special equipment of the processing method of embodiment 1, comprise machine tool 1, electrolyte circulation device 2, row shape group electrode 3, computer 4 and be equipped with the power supply of positive pole and negative pole, described machine tool 1, described Electrolyte circulation device 2 and described row-like group electrode 3 are all electrically connected with described computer 4, and are simultaneously controlled by the machine tool numerical control system configured in described computer 4; Described row-like group electrode 3 is according to The shape of the workpiece 5 to be processed is selectively installed on the main shaft 11 of the machine tool 1 or the electrolyte circulation device 2, and the row-shaped group electrodes 3 are electrically connected to the negative pole of the power supply, and the workpiece 5 to be processed Correspondingly installed on the electrolyte circulation device 2 or the main shaft 11 of...

Embodiment 3

[0033] Embodiment 3 The difference between this embodiment and Embodiment 2 is that the workpiece 5 to be processed is a cylindrical structure, the row-shaped group electrodes 3 are installed in the electrolytic cell 22, and the workpiece 5 to be processed is installed on the spindle of the machine tool 1 11, the rest of the structure and implementation are the same as in Example 1.

[0034] The workpiece 5 to be processed is a cylindrical structure. At this time, the row-shaped group electrodes 3 are installed in the electrolytic cell 22, the workpiece 5 to be processed is installed on the main shaft 11 of the machine tool 1, and then the computer 4 is turned on, and the computer 4 is correspondingly turned on. CNC machine control system, after setting the corresponding parameters, connect the row group electrode 3 with the negative pole of the power supply, connect the workpiece 5 to be processed with the positive pole of the power supply, and start processing, and control th...