Non-conducting material electric spark milling method

A non-conductive material and electric spark technology, applied in the field of mechanical processing, can solve the problems of high cost and low processing efficiency, and achieve the effect of convenient processing and avoiding poor processing environment

Active Publication Date: 2008-05-28
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a non-conductive material EDM method, develop efficient and practical non-conductive material EDM processing technology, and solve the problems of low processing efficiency and high cost of non-conductive difficult-to-machine materials

Method used

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  • Non-conducting material electric spark milling method

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Embodiment Construction

[0014] See Figure 1. In the system composition diagram of the electric spark milling method for non-conductive materials of the present invention, 1 is a digital control system, which is mainly used for the control of speed, displacement and processing parameters, etc.; The sleeve is installed on the negative tool electrode, which can rotate and move in the Z direction with the negative tool electrode; 3 is the negative tool electrode, which is connected to the negative pole of the pulse power supply and is installed on the spindle head, which can rotate with the spindle head and the movement in the Z direction; 4 is the wire connecting the CNC system and the spindle DC servo motor, providing a detection and control circuit for the DC servo motor; 5 is the spindle system, which is equipped with a spindle head, which can drive the spindle head to move in the Z direction. The servo motor and the DC motor that can drive the spindle to rotate. Under the control of the servo contro...

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Abstract

The invention relates to an EDM milling method used for nonconductive materials, belonging to a mechanical machining field. When machining, a tool anode and a tool cathode are respectively connected with the anode and the cathode of an impulse powder supply. The tool anode and the tool cathode are provided with tubular structures and are arranged on the same shaft, and are separated by an insulation medium layer. A conductive liquid flows from the central hole of internal tool electrodes to the surface of the nonconductive material, and triggers discharge when flowing through the ends of the tool anode and the tool cathode, and then the nonconductive material can be corrosion-removed and machined by effects of high temperatures and high voltages generated by the discharge instantaneously. A main shaft head can drive the tool anode and the tool cathode to revolve and do a Z-direction movement. A nonconductive material work piece to be machined is arranged on X and Y movable work tables, and an EDM milling to the nonconductive material work piece with a complicated shape is realized by a linkage between the main shaft head and the work tables. The EDM milling method used for nonconductive materials of the invention has the advantages that machining efficiency is high, surface quality is high and the environment is not polluted, etc.

Description

technical field [0001] The invention belongs to the field of mechanical processing and relates to an electric spark milling method for non-conductive materials. Background technique [0002] At present, the electrical machining methods of non-conductive materials studied by scholars at home and abroad mainly include: electrolytic EDM composite machining, auxiliary electrode machining, high-voltage EDM and other methods. [0003] The research and development of EDM technology for non-conductive and difficult-to-machine materials is a research hotspot in the field of EDM technology. At present, scholars at home and abroad are mostly focusing on the electrolytic EDM composite machining technology for non-conductive and difficult-to-machine materials. This kind of machining technology uses the spark discharge in the electrolyte for machining. The positive pole connected to the pulse power supply, when the pulse voltage is applied between the two poles, bubbles will be generated...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H1/00B23H1/04B23H7/26
Inventor 刘永红纪仁杰李小朋于丽丽李庆云蔡宝平王大伟
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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