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Research on ELID Grinding of Nano-Cemented Carbide Tool

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Abstract:

Nano-cemented carbide is a novel material, which is superior to common cemented carbide on physical and mechanical properties, such as high hardness, toughness, flexural strength and higher wear resisting property. It is proposed to have wide application prospect to tools and mould manufacturing. In this paper, ELID grinding technique is applied to grind nano-cemented carbide tools. And the ground surface quality, cutting edge radius, and machinability of nano-cemented carbide tools are studied, compared with common cemented carbide. It is demonstrated by experimental results that nano-cemented carbide has higher grinding surface quality with less surface flaw than that of common cemented carbide. The cutting edge radius of nano-cemented carbide tool is less than that of common cemented carbide tool. Under the same conditions, the tool life of nano-cemented carbide is 1~2 times longer than that of common cemented carbide. The research results indicate that ELID grinding technique is suitable for grinding cemented carbide tools. Nano-cemented carbide tools have better machinability than common cemented carbide tools.

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Periodical:

Key Engineering Materials (Volume 329)

Pages:

105-110

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.329.105

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Online since:

January 2007

Authors:

Fei Hu Zhang, J.C. Gui, Yi Zhi Liu, Hua Li Zhang

Keywords:

Cutting Edge Radius, ELID (ELectrolytic In-Process Dressing) Grinding, Machinability, Nano Cemented Carbide, Surface Quality

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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