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Single-flow electrolytic cutting method utilizing multi-flow tube electrode system

An electrode system and cutting method technology, applied in electrode manufacturing, processing electrodes, electric processing equipment, etc., can solve the problems of difficult to update electrolyte and difficult discharge of electrolytic products, and achieve the effect of easier discharge and uniform flow field.

Active Publication Date: 2019-08-20
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 electrolyte in the kerf, the present invention proposes a multi-channel tube electrode and system and a single-flow electrolytic cutting method

Method used

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  • Single-flow electrolytic cutting method utilizing multi-flow tube electrode system
  • Single-flow electrolytic cutting method utilizing multi-flow tube electrode system
  • Single-flow electrolytic cutting method utilizing multi-flow tube electrode system

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Embodiment Construction

[0022] according to figure 1 As shown, a multi-channel tube electrode 11 proposed by the present invention is a metal round tube with a closed lower end, and a plurality of partitions 20 arranged axially in the tube are evenly arranged to divide the inner cavity of the tube into a plurality of identical flow channels 21; The outer wall of the multi-channel tube electrode 11 corresponding to each flow channel 21 is arranged with an array of small holes; and in the thickness direction of the workpiece 10, the distribution range length of the small hole array is greater than or equal to the thickness of the workpiece, ensuring that the electrolyte solution jetted out of the small hole array 15 can cover the entire processing area; the small hole arrays corresponding to adjacent flow channels 21 are different; the so-called different small hole arrays refer to one or more of the following parameters: hole diameter, hole spacing, hole height, hole angle, The hole angle refers to th...

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Abstract

The invention relates to a multi-runner pipe electrode and a system and a single circulation electrolysis cutting method, and belongs to the technical field of electrochemical machining. A multi-runner metal circular pipe with one end closed is selected as a tool cathode during electrolysis cutting; and corresponding to various runners, the outer wall faces of the multi-runner pipe electrode are provided with small hole arrays correspondingly, and the small hole arrays corresponding to the adjacent runners are different. During electrolysis cutting, the multi-runner pipe electrode does the rotation movement, under the action of a distribution adapter, an electrolyte only enters from one runner at the multi-runner pipe electrode feeding face position and is ejected from the corresponding small hole arrays, and a workpiece is subjected to electrolysis cutting. Since the small hole arrays corresponding to the adjacent runners are different, along with rotation of the multi-runner pipe electrode (11), a flow field in a machining gap does the up-down reciprocated motion, the flow field is more uniform, and electrolysis products are easier to discharge. Various runners (21) are sequentially switched to be used, the electrolyte (15) in the machining gap is in a pulsating flow state, and the electrolysis cutting efficiency and machining precision are further improved.

Description

technical field [0001] The invention relates to a single flow electrolytic cutting method using a multi-channel tube electrode system, belonging to the technical field of electrochemical processing. Background technique [0002] Difficult-to-machine metal materials are more and more widely used in aerospace, weapons, precision instruments and other fields, but their processing and manufacturing difficulties have become a common manufacturing problem in related fields. For example, the straight-grained working surface of parts such as blade tenons, turbine disk tenons and high-precision transmission gears of aero-engines and gas turbines will usually be recast on the surface of parts by wire EDM, laser cutting, flame cutting, and plasma cutting. layer and heat-affected layer. [0003] At present, the ideal cutting method should belong to electrolytic cutting. Electrolytic cutting technology is an electrolytic machining method that uses metal wire as the tool cathode, uses t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H3/00B23H3/04B23H3/10
Inventor 杨涛曾永彬
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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