Auxiliary anode mask micro electrolytic machining array micro-pit system and method

An auxiliary anode and micro-electrolysis technology, applied in the direction of electric processing equipment, electrochemical processing equipment, processing electrodes, etc., can solve the problem of poor scale uniformity and achieve the effect of promoting the uniform distribution of electric field

Active Publication Date: 2015-05-13
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0006] The purpose of the present invention is to address the disadvantages of poor scale uniformity of the micro-pits of the current template electro

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  • Auxiliary anode mask micro electrolytic machining array micro-pit system and method

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[0017] The following describes the implementation of the present invention in detail with reference to the accompanying drawings-"A system and method for micro-electrochemical machining of array micro-pits using auxiliary anode masks.

[0018] The method of the present invention adopts the auxiliary anode mask to micro-electrochemically process the micro-pits of the array, including the following steps:

[0019] (A) Make a mask 5 with a through and consistent group hole structure;

[0020] (B) Put the mask plate 5 and the anode 6 of the workpiece tightly, and put them in the lower clamp 7;

[0021] (C) Fix the auxiliary anode 4 on the lower clamp 7 and surround the anode 6 of the workpiece;

[0022] (D) Clamp the tool cathode 2 in the upper jig 1 and fix it on the mask plate 5 to form a flow channel between it and the lower jig 7;

[0023] (E) The auxiliary anode 4 and the workpiece cathode 2 are respectively connected to the positive and negative electrodes of the power supply 8;

[0024...

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Abstract

The invention provides an auxiliary anode mask micro electrolytic machining array micro-pit system and method, and belongs to the technical field of micro electrolytic machining. The system comprises an upper clamp (1), a lower clamp (7), a tool cathode (2) which is arranged on the upper clamp (1), a tool anode (6) which is arranged on the lower clamp (7), mask plates (5) which are arranged on the surface of the tool anode (6) and of group drilling structures, and auxiliary anodes (4) which are fixed on the lower clamp (7) and surround edges of the tool anode (6); an electrolyte flow pass is formed between the tool cathode (2) and the tool anode (6), and the system further comprises a main power supply (9) and an auxiliary power supply (8), wherein the positive pole of the main power supply (9) and the positive pole of the auxiliary power supple (8) are connected with the tool anode (6) and the auxiliary anode (4) respectively, and the negative pole of the main power supply (9) and the negative pole of the auxiliary power supple (8) are both connected with the tool cathode (2). The auxiliary anode mask micro electrolytic machining array micro-pit system and a method are characterized in that an auxiliary power supply voltage is smaller than a main power supply voltage, and a potential difference exists between the auxiliary power supply voltage and the main power supply voltage, so that the electric current density in all mask holes of the work piece surface is consistent, and the dimensional homogeneity of array micro-pits is improved.

Description

technical field [0001] The invention provides a system and method for assisting anode mask micro-electrolytic machining array micro-pits, belonging to the technical field of micro-electrolytic machining. Background technique [0002] Friction and wear are one of the main reasons for the failure of industrial equipment. According to statistics, 30% of the energy in industrialized countries is consumed by mechanical wear, and about 80% of parts are damaged due to various forms of wear. Wear and tear not only consumes energy and materials, but also accelerates the scrapping of equipment, resulting in frequent replacement of parts and causing great economic losses. Therefore, reducing useless friction loss, controlling and reducing wear, and improving lubrication performance can reduce equipment maintenance times and costs, save energy and improve resource utilization. Reducing wear and friction is also one of the major technical problems that the engineering community has been...

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Application Information

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IPC IPC(8): B23H3/00B23H9/00
CPCB23H3/04B23H9/00
Inventor 曲宁松陈晓磊房晓龙
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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