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Electrolytic machining method for micro-pit group using bipolar electrode and bipolar electrode thereof

A technology of bipolar electrodes and processing methods, which is applied in the direction of electric processing equipment, electrochemical processing equipment, processing electrodes, etc., and can solve the problems of poor localization of micro pits in electrolytic processing

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

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Problems solved by technology

[0008] The purpose of the present invention is to address the shortcomings of poor localization of micro pits in electrolytic machining, and propose a method of electrolytic machining of micro pits using bipolar electrodes and its bipolar electrodes

Method used

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  • Electrolytic machining method for micro-pit group using bipolar electrode and bipolar electrode thereof
  • Electrolytic machining method for micro-pit group using bipolar electrode and bipolar electrode thereof
  • Electrolytic machining method for micro-pit group using bipolar electrode and bipolar electrode thereof

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Embodiment Construction

[0028] Combine below figure 1 , figure 2 Specific description of the implementation of the present invention - "Using bipolar electrode micro-pit electrolytic machining method"

[0029] (a) Drill tiny group holes on the three-layer structure consisting of auxiliary anode (the auxiliary anode material is generally made of inert metal, such as platinum), an insulating layer, and a workpiece cathode to obtain a bipolar electrode 1;

[0030] (b) by clamping the tool, the auxiliary anode 7 on the bipolar electrode 1 is closely attached to the processing surface of the workpiece anode 2;

[0031] (c) Connect the workpiece anode 2 and the tool cathode 5 to the positive and negative poles of the power supply 3 respectively;

[0032] (d) The electrolyte 4 rushes into the tiny holes in the bipolar electrode 1 and reaches the processed surface of the workpiece anode 2

[0033] (e) Turn on the power and perform electrolytic machining.

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Abstract

The invention discloses a method for electrolytic machining of fine group pits using bipolar electrodes and the bipolar electrodes, belonging to the technical field of electrolytic processing. The method is characterized in that it includes the following steps: (a) making a bipolar electrode (1) with a penetrating group hole structure and sequentially composed of an auxiliary anode (7), an insulating layer (6) and a tool cathode (5) ; (b) The auxiliary anode (7) on the bipolar electrode is closely attached to the workpiece anode (2); (c) The workpiece anode (2) and the tool cathode (5) are respectively connected to the positive and negative poles of the power supply (3) (d) spray electrolyte (4) to the surface of the tool cathode (5), so that the electrolyte reaches the surface of the workpiece anode (2) through the through holes on the bipolar electrode (1); (e) switch on the power supply ( 3) Perform electrolytic machining. The invention can significantly improve the localization and micro-scale processing ability of electrolytic machining.

Description

technical field [0001] The invention discloses a method for electrolytic machining of fine group pits using bipolar electrodes and the bipolar electrodes, belonging to the technical field of electrolytic processing. Background technique [0002] According to estimates, about 30% to 50% of the energy produced in the world is consumed in friction loss. For example, the power consumed by dry friction of textile machinery is 85% of its total power; It also reaches 30% of the total power; the friction loss of modern automobile engines accounts for 20% of its power. According to the statistics of the United States, Britain, Germany and other countries, the expenditure related to friction and wear accounts for about 2% to 7% of the annual GDP of the national economy. In 2003, the GDP of my country's national economy was 1,169.4 billion yuan. If the cost of friction and wear was calculated at 5% of the GDP of the national economy, it would be a loss of 58.47 billion yuan. It can b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H3/00B23H3/04B23H3/10
Inventor 朱荻曲宁松钱双庆李冬林
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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