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Auxiliary anode electrolysis milling processing system and method

An auxiliary anode and processing system technology, applied in the field of auxiliary anode electrolytic grinding and milling processing system, can solve problems such as unstable processing, cavitation phenomenon, inconsistent electrolytic removal speed, etc., to improve processing stability, avoid liquid shortage, Effect of Suppressing Stray Corrosion

Active Publication Date: 2018-01-23
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI Technical Summary

Problems solved by technology

This diffuse flow field is likely to cause a sudden drop in pressure near the liquid outlet, resulting in cavitation, causing a local lack of liquid in the processing gap, resulting in inconsistent electrolytic removal speeds at different parts of the processing surface, resulting in unstable processing
In addition, the machined surface forms a conductive circuit with the tool cathode through the continuously flowing electrolyte, causing the machined surface to be corroded by stray currents
Taking the electrolytic milling groove as an example, due to the stray corrosion of the processed surface by the electric field, there is a serious "overcut" phenomenon on the side wall and bottom surface of the processed groove, resulting in unsatisfactory processing results
These problems affect the processing stability and processing accuracy of electrolytic grinding and milling technology

Method used

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  • Auxiliary anode electrolysis milling processing system and method
  • Auxiliary anode electrolysis milling processing system and method
  • Auxiliary anode electrolysis milling processing system and method

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Embodiment Construction

[0036] combine figure 2 , illustrate the processing method concrete implementation process that the present invention proposes:

[0037] Step 1. Clamp and position the tool cathode 1, workpiece 2 and auxiliary anode 5 respectively;

[0038] Step 2, connect the positive pole of the main power supply 4 to the workpiece 2, connect the negative pole to the tool cathode 1, and adjust the working parameters of the main power supply 4;

[0039] Step 3. Connect the positive pole of the auxiliary power supply 6 to the auxiliary anode 5, and connect the negative pole to the tool cathode 1, and adjust the working parameters of the auxiliary power supply 6;

[0040] Step 4. Pass the electrolyte solution along the direction 7, and reach the processing area (3) through the liquid hole of the tool cathode (1);

[0041] Step 5, turn on the main power supply 4 and the auxiliary power supply 6, and then start the electrolytic milling process;

[0042] Step 6. Stop processing and retract the...

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Abstract

The invention relates to an auxiliary anode electrolysis grinding and milling processing system and method and belongs to the field of electrolysis grinding and milling composite processing. The auxiliary anode electrolysis grinding and milling processing system comprises a main power source (4), a tool cathode (1), a workpiece (2), an auxiliary power source (6) and an auxiliary anode (5); the positive pole and the negative pole of the main power source (4) are connected with the workpiece (2) and the tool cathode (1) correspondingly; the positive pole and the negative pole of the auxiliary power source (6) are connected with the auxiliary anode (5) and the tool cathode (1) correspondingly; and the positive potential difference delta U of the auxiliary anode (5) and the workpiece (2) is equal to 0-20 V. The auxiliary anode electrolysis grinding and milling processing system and the method have great significance in improving the electrolysis grinding and milling processing stability and the electrolysis grinding and milling processing precision.

Description

technical field [0001] The invention relates to an auxiliary anode electrolytic grinding and milling processing system and method, belonging to the field of electrolytic grinding and milling composite processing. Background technique [0002] With the development of science and technology, a large number of high-temperature alloys, titanium alloys and other metal materials are used in modern aviation, aerospace, shipbuilding and other industrial fields. For example, GH4169 alloy accounts for 34%, 56% and 57% of the total weight of CF6 engine, CY2000 engine and PW4000 engine respectively; titanium alloy accounts for 41% of the total materials used in the fourth-generation fighter F-22, etc. However, due to the inherent characteristics of these materials, such as poor thermal conductivity, high strength, and high hardness, the temperature in the processing area is high during machining, and the cutting force is large, which easily causes tool wear. Taking the thin-walled casi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H5/08B23H5/10
CPCB23H5/08B23H5/10
Inventor 李寒松牛屾曲宁松
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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