Double-channel tube electrode and electrolytic cutting method thereof

A cutting method and dual-flow technology, which are used in processing electrodes, electrode manufacturing, electric processing equipment, etc., can solve the problems of difficult electrolyte renewal and difficult discharge of electrolysis products, and achieve enhanced flow performance, reduced electrolytic processing area, and improved electrolysis. The effect of cutting efficiency

Active Publication Date: 2018-11-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0008] Aiming at the problems of high-efficiency and precise electrolytic cutting of large-thickness workpieces and difficult discharge of electrolytic products and difficult replacement of e

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  • Double-channel tube electrode and electrolytic cutting method thereof
  • Double-channel tube electrode and electrolytic cutting method thereof
  • Double-channel tube electrode and electrolytic cutting method thereof

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Embodiment Construction

[0023] according to figure 1 As shown, a kind of double-channel tube electrode 5 proposed by the present invention is a metal circular tube with a closed lower end, and a separator 20 is arranged in the axial direction of the tube to separate the inner cavity of the circular tube into two parts: an infusion flow channel 21 and a flow channel 22; On the outer wall surface of the infusion flow channel 21, the thickness direction of the wall surface is from the inside to the outside, and an array of small holes 18 is inclined downward. In the thickness direction of the workpiece 7, the distribution range of the array small holes 18 is not less than the processing gap range; Two rows of micro-long slits 19 are provided on the outer wall surface, and the two rows of micro-long slits 19 are respectively located at the edge positions close to the outer wall surface and the partition 20, and the length of the micro-long slits 19 is greater than the thickness of the workpiece 7.

[002...

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Abstract

The invention relates to a double-channel tube electrode and an electrolytic cutting method thereof and belongs to the technical field of electrochemical processing. The double-channel tube electrodeand the electrolytic cutting method thereof are mainly characterized in that a double-channel metal tube with one end closed is adopted as a tool cathode for electrolytic cutting, wherein arrayed small holes are obliquely formed downward in the wall surface of the outer side of a liquid conveying channel of the double-channel tube electrode, and slightly elongated seams are formed in both sides ofthe wall surface of the outer side of an air conveying channel. During electrolytic cutting, an electrolyte is obliquely ejected from the arrayed small holes downward to increase the downward flow rate of the electrolyte and promote the discharge of electrolysis products, and the efficiency of electrolytic cutting is improved; at the same time, high-pressure gas is ejected from the slightly elongated seams to close the electrolyte in a front-end machining gap, the turbulent diffusion range of the electrolyte in the machining gap is reduced, the electrolytic machining area is reduced, and theelectrolytic cutting precision is improved.

Description

technical field [0001] The invention relates to a double-channel tube electrode and an electrolytic cutting method thereof, belonging to the technical field of electrochemical processing. Background technique [0002] Cutting processing technology is an important process in the machinery manufacturing industry, such as blade tenons of aero-engines and gas turbines, turbine disk tenon grooves, high-precision transmission gears, various dies, extrusion dies, blanking dies and other parts in the mold industry The working surface of straight grain structure is processed by cutting technology. [0003] With the emergence of various new materials and the continuous exploration of aerospace, precision instruments, mold manufacturing and other fields, higher requirements are put forward for the precision and efficiency of cutting processing. Electrolytic cutting technology is an electrolytic machining method that uses the wire electrode as the tool cathode, uses the principle of el...

Claims

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Application Information

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IPC IPC(8): B23H3/00B23H3/04B23H3/10B23H11/00
CPCB23H3/00B23H3/04B23H3/10B23H11/00
Inventor 曾永彬杨涛朱荻
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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