The Research on the Improved CMG Tool for Al2O3 Ceramic

Heng Zhen Dai; Zhu Ji Jin; Shang Gao; Zhan Chun Tao; Feng Wei Huo

doi:10.4028/www.scientific.net/AMM.121-126.514

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 121-126The Research on the Improved CMG Tool for Al2O3...

The Research on the Improved CMG Tool for Al₂O₃ Ceramic

Abstract:

A new D/SiO2 CMG tool for Al2O3 ceramic process was developed by adding some diamond abrasive into SiO2 CMG tool. The solid state reaction between the CMG tool and Al2O3 ceramic played a key role for achieving ultra-precision, high efficiency and low damage.Three kinds of formulations for the D/SiO2 tool were tested and evaluated. The material removal rate(MRR) of Al2O3 ceramic mainly depended on the content of diamond abrasive. In contrast with the corresponding SiO2 tool,the D/ SiO2 tool, which had minimal content of diamond abrasive,could achieve a minimal Ra and better MRR. The enhanced mechanical removal action made the MRR improve nearly twice times, and the process surface roughness of Al2O3 ceramic specimen using the D/ SiO2 tool kept almost same value as using the SiO2 tool without surface damage. Thus the D/ SiO2 tool is more suitable for process of Al2O3 ceramic workpieces.

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Periodical:

Applied Mechanics and Materials (Volumes 121-126)

Pages:

514-518

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.121-126.514

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Online since:

October 2011

Authors:

Heng Zhen Dai, Zhu Ji Jin, Shang Gao, Zhan Chun Tao, Feng Wei Huo

Keywords:

Al₂O₃ Ceramic, CMG, CMG Tool, Diamond, SiO₂ Abrasive

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