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Grinding auxiliary electrochemical discharge machining tool and method

An electrical discharge machining and electrochemical technology, applied in the field of machining tools, can solve problems such as tool electrode damage and machining surface quality defects, and achieve the effects of prolonging life, improving surface quality and reducing damage.

Active Publication Date: 2012-04-04
THE HONG KONG POLYTECHNIC UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an electrochemical discharge machining tool provided with an abrasive layer, and corresponding processing method

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  • Grinding auxiliary electrochemical discharge machining tool and method
  • Grinding auxiliary electrochemical discharge machining tool and method
  • Grinding auxiliary electrochemical discharge machining tool and method

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] see figure 1 , is a schematic diagram of the grinding-assisted electrochemical discharge machining process according to the present invention. Such as figure 1 As shown, the grinding-assisted electrochemical discharge machining method provided by the present invention includes carrying out electrochemical discharge machining to the workpiece, and the electrochemical discharge machining includes carrying out electric discharge machining to the workpiece (i.e. figure 1 ED process indicated in ), and using electrochemical methods (ie figure 1 The ECE process indicated in ) generates hydrogen bubbles to assist the electrical discharge machining. The present invention is unique in that a grinding process is used simultaneously with the electro...

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Abstract

The invention relates to a grinding auxiliary electrochemical discharge machining tool and machining method, wherein the method is particularly suitable for machining metal base composite material. The grinding auxiliary electrochemical discharge machining tool comprises an ECDM (Electrochemical Discharge Machining) electrode and an abrasive layer, wherein the abrasive layer is mainly used for removing recast material formed around a sparkle pit in a machining process. Due to the application of the invention, when materials hard to machine is machined, the removal rate of the materials can be increased, better surface quality can be obtained, and the service life of the machining tool is greatly prolonged.

Description

technical field [0001] The invention relates to a processing tool and method, more specifically, to a grinding-assisted electrochemical discharge processing tool and method suitable for metal matrix composite materials. Background technique [0002] Metal matrix composites (Metal matrix composites, MMCs) are gradually entering the fields of aerospace, electronics and automobiles. However, it is believed that metal matrix composites are generally much more difficult to process than either of the individual materials, whether using traditional or non-traditional processing methods. This is not surprising since the reinforcing phases are mostly hard ceramic materials such as silicon carbide (SiC) and aluminum oxide (Al 2 o 3 ). In addition to the extremely high hardness of the reinforcing phase, the large differences in physical, chemical and mechanical properties between the metal matrix and the reinforcing phase also make metal matrix composites a notoriously difficult mat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B1/00
Inventor 余大民刘江文
Owner THE HONG KONG POLYTECHNIC UNIV