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Pulse current, distilled water ting electrolytic machining process and apparatus

A technology of micro-electrolysis and pulse current, which is applied in the direction of electric processing equipment, processing working medium, processing special circuits, etc., and can solve the problems of inability to electrolytic processing, low current density, etc.

Inactive Publication Date: 2007-11-21
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It should be pointed out that under normal conditions, ions in pure water (OH - 、H + ) concentration is only 10 -7 mol / L, at an electric field strength of 4×10 4 Under the condition of V / m, the current density can only reach 10 -5 A / cm 2 Order of magnitude, such a small current density, it is not possible to carry out electrolytic machining in a practical sense

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  • Pulse current, distilled water ting electrolytic machining process and apparatus
  • Pulse current, distilled water ting electrolytic machining process and apparatus

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Embodiment Construction

[0015] The device for implementing the pulse current and distilled water micro-electrolysis processing technology of the present invention, as shown in Figure 1 and Figure 2, the device includes: filter 1, micro water pump 2, pressure gauge 3, ball valve 4, pulse power supply 18, electrolyte tank 19 , and a micro electrolytic machining device. The installation and connection relationship of the micro-electrolytic processing device is: the upper mounting base 16 and the lower mounting base 13 are positioned and matched with the shaft, hole and end face, and are respectively installed and fixed on the upper and lower parts of the fixture main body 15. The feeding device 7 is positioned and installed in the center of the upper mounting seat 16. In order to keep the piezoelectric ceramic micro-feeding device 7 dry and clean, the protective cover 17 is installed and fixed on the upper end of the fixture body 15, and the workpiece mounting seat 21 is screwed and fastened on the The ...

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Abstract

Pulse current and distilled water tiny electrolyze process and device is disclosed. The invention takes distilled water as electrolyte, high frequency, narrow and wide pulse power supply, the parameters of minute electrolyze process cathode, tiny displacement feeding and minute electrolyze process. The device comprises screw pressing bushing, piezoelectrical ceramic tiny feeding, cation exchange membrane, assistant electrode, screw tiny displacement regulation pole, tool cathode, bottom fixing base, clamp body, top fixing base. The invention assembles many technics, which has the strong corrode-cleaning capability, high process precision and good quality of surface and there is no pollution to the environment.

Description

1. Technical field: [0001] The invention "pulse current, distilled water micro-electrolysis processing technology and device", belongs to the micro-electrolysis processing technology and device. 2. Background technology: [0002] Electrochemical machining has excellent technological characteristics: no mechanical cutting force, no residual stress, low surface roughness, and can process complex cavities and surfaces (forming electrolytic machining) or non-processed surfaces by using single-direction feeding of forming cathodes Complicated contours, pores, and grooves can be electrolytically corroded by appropriate insulation protection. Since electrolytic machining removes materials in an ion state, based on the control of processing parameters, especially electrical parameters, the removal speed and processing depth can be precisely controlled, so micro and precise electrolytic machining has shown attractive development and application prospects. [0003] As one of the effe...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H3/02B23H3/08
Inventor 徐家文鲍怀谦李颖彭思平
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS