Vacuum backflow electrolysis processing method and vacuum backflow electrolysis processing device

A processing method and a technology of a vacuum generating device, which are applied in electrochemical processing equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of low clamping efficiency in reverse flow electrolytic processing, and achieve the elimination of cavitation, stable processing, and high product quality. The effect of reducing the effect of

Inactive Publication Date: 2010-01-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0005] The invention aims to improve the defects of low clamping efficiency of reverse flow electrolytic machining, and proposes a reverse flow electrolytic

Method used

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  • Vacuum backflow electrolysis processing method and vacuum backflow electrolysis processing device
  • Vacuum backflow electrolysis processing method and vacuum backflow electrolysis processing device
  • Vacuum backflow electrolysis processing method and vacuum backflow electrolysis processing device

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[0021] figure 1 Under the action of the pressure difference formed by the vacuum and the atmospheric pressure 3, the electrolyte 2 enters the electrolyte channel 23 of the electrode 5 from the inter-electrode processing area and then enters the vacuum chamber 24 to complete the electrolyte renewal of the processing gap. The electrode 5 may be coated with an insulating coating 4 for sidewall insulation to improve processing accuracy.

[0022] figure 2 In the vacuum reflow electrochemical machining device shown, the power source 22, the machine tool spindle 17, the feed device 25 and the electrode holder 7 constitute the machine body. The motion control card 18, the data acquisition card 20, the Hall current sensor 21 and the computer 19 constitute the control system. In addition, the vacuum gauge 8, the vacuum pump 9, the gas-liquid separator 10, the flow meter 11, the liquid storage tank 12, the flow control valve 13, the liquid supply pump 14, the filter 15, and the electroly...

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Abstract

The invention relates to a vacuum backflow electrolysis processing method and a vacuum backflow electrolysis processing device which belong to the technical field of electrolysis processing. The method adopts a backflow liquid supply way in the process of electrolysis processing; and electrolyte enters a front gap from a side gap of a processing area to participate in reaction and is finally discharged from an electrolyte passage in a tool electrode. The vacuum backflow electrolysis processing method is characterized in that the backflow liquid supply way is realized by a pumping function of a vacuum generating device. The method and the device are significant for improving the stability and the processing efficiency of electrolysis processing.

Description

Technical field [0001] The vacuum counterflow electrolytic machining method and device of the invention belong to the technical field of electrolytic machining. Background technique [0002] Electrochemical machining (ECM for short) is a process that uses the principle of electrochemical anodic dissolution to etch materials and finally process them into shapes. This process has the characteristics of not being limited by the hardness of the workpiece material, good processing quality, and no loss of tools. It has important applications in aviation, automobile, weapon, mold manufacturing and other industries. [0003] Hole machining is a typical application of electrolytic machining. It is mainly used for hole machining on difficult-to-cut materials, such as hollow cooling turbine blades and guide vanes, which have many small hole structures, especially deep small holes and multi-directional holes. Angle-distributed small holes are very difficult to drill with ordinary mecha...

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Application Information

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IPC IPC(8): B23H3/00
Inventor 朱荻王维曲宁松房晓龙
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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