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A soft electrode electric discharge machining device based on liquid metal and porous ceramics

A liquid metal and processing device technology, applied in metal processing equipment, electric processing equipment, electrode manufacturing, etc., can solve the problems of complex research methods, ineffective effects, and failure to fundamentally solve electrode loss, etc., to improve processing accuracy , Improve the effect of loss

Active Publication Date: 2018-07-03
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Although many scholars have conducted a lot of research, they mainly focus on the estimation, measurement and compensation of electrode loss, and have not fundamentally solved the problem of electrode loss. Moreover, the above-mentioned research methods are relatively complicated, and the results obtained are not very obvious.

Method used

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  • A soft electrode electric discharge machining device based on liquid metal and porous ceramics
  • A soft electrode electric discharge machining device based on liquid metal and porous ceramics
  • A soft electrode electric discharge machining device based on liquid metal and porous ceramics

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] Such as figure 1 As shown, a soft electrode electric discharge machining device based on liquid metal and porous ceramics includes a soft electrode, and the soft electrode includes a porous ceramic 2 and a liquid metal 3, and the porous ceramic 2 is provided with a blind hole, so The liquid metal 3 is arranged in the blind hole, and the liquid metal 3 seeped through the porous ceramic 2 is a tool electrode.

[0017] Such as figure 2 As shown, the soft electrode EDM device also includes a workpiece 1, a numerically controlled machine tool 6, a pulse power supply 5 and a liquid supply device, wherein the pulse power supply 5 is electrically connected to the liquid metal 3 and the workpiece 1 respectively, The liquid supply device is connected with the blind hole.

[0018] Such as figure 2 As shown, the liquid supply device includes a...

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Abstract

The invention provides a soft electrode electrical discharge machining device based on liquid metal and porous ceramic. The device comprises a soft electrode; the soft electrode includes the porous ceramic and the liquid metal; the porous ceramic is provided with a blind hole; the liquid metal is arranged in the blind hole; and the liquid metal permeating out from the porous ceramic is a tool electrode. The device has the following beneficial effects: the liquid metal serves as the tool electrode, and is put in a porous ceramic blind pipe; because of the effect of the porous ceramic, the liquid metal can permeate out from the porous ceramic to attach on the external to form the soft electrode; after once discharge is finished, the liquid metal at the top can be slightly worn; then, under capillary effect, new liquid metal can be continuously permeated out to guarantee continuous discharge; and the porous ceramic dose not participate in spark discharge, so that the shape of the tool electrode cannot be changed, the loss problem of the tool electrode is preferably improved, and the machining precision is improved.

Description

technical field [0001] The invention relates to an electric discharge machining device, in particular to a soft electrode electric discharge processing device based on liquid metal and porous ceramics. Background technique [0002] EDM is a special processing method that uses the electric erosion effect generated by pulse discharge between two electrodes to remove conductive materials. It is also called electric discharge machining or electric erosion machining, and is called EDM in English. Since the EDM method can be used to process materials and complex-shaped workpieces that are difficult to cut by ordinary cutting methods, and there is no cutting force during processing, and no defects such as burrs and tool marks are produced, so this processing method is widely used in processing complex workpieces. Shaped holes, molds and parts of the cavity, and various hard and brittle materials, such as cemented carbide and hardened steel; traditional EDM generally uses copper wit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H1/06B23H1/10B23H1/02
CPCB23H1/02B23H1/06B23H1/10
Inventor 黄瑞宁刘晓飞韩绍峰赵呈路路丹丹楼云江
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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