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IJAT Vol.9 No.1 pp. 26-32
doi: 10.20965/ijat.2015.p0026
(2015)

Paper:

Precision Cutting of Ceramics with Milling Tool of Single Crystalline Diamond

Hirofumi Suzuki*, Mutsumi Okada*, Koichi Okada**,
and Yosuke Ito**

*Chubu University, 1200 Matsumoto, Kasugai, Aichi 487-8501, Japan

**NS Tool Co. Ltd., 2-11 Matsuzakataira, Taiwa, Kurokawa, Miyagi 981-3408, Japan

Received:
October 12, 2014
Accepted:
December 18, 2014
Published:
January 5, 2015
Keywords:
precision cutting, micro milling tool, single crystalline diamond, tungsten carbide, tool wear
Abstract

Micro milling tools made of Single Crystalline Diamond (SCD) have been developed to machine micro dies and molds made of ceramics. The milling tools of a cylindrical SCD having many sharp cutting edges are fabricated 3-dimensionally by scanning a laser beam. Flat shape of binder-less tungsten carbide mold was cut with the developed milling tool to evaluate the tool wears and its life. Some micro aspheric molds of tungsten carbide were cut with the milling tool at a rotational speed of 50,000 min-1. The ceramic molds were cut in the ductile mode. By cutting with the milling tool, the form accuracy obtained was about 100 nm P–V and the surface roughness 8 nm Rz.

Cite this article as:
H. Suzuki, M. Okada, K. Okada, and <. Ito, “Precision Cutting of Ceramics with Milling Tool of Single Crystalline Diamond,” Int. J. Automation Technol., Vol.9, No.1, pp. 26-32, 2015.
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Last updated on Aug. 21, 2019