Experimental investigation of machinability and surface quality of sapphire machined with polycrystalline diamond micro-milling tool

Kazutoshi Katahira, Yuhei Matsumoto, Jun Komotori, Kazuo Yamazaki

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Ultra-precision machining of single crystalline sapphire was performed using a polycrystalline diamond (PCD) micro-milling tool. Examination of the machining characteristics indicates that a high-quality surface with a nanometre-scale surface roughness can be obtained when the removed chips are thin enough to achieve ductile-mode machining. Although a high-quality surface was successfully machined, the surface roughness gradually deteriorated and the actual depth of the machined groove became shallower as the machining distance increased because of the build-up of material adhering to the surface of the tool. To retain the milling capabilities of the PCD tool, an electrochemical-assisted surface reconditioning process has been proposed. The reconditioning technique was found to be effective in removing the surface contaminant without causing damage to the edges of the tool.

本文言語English
ページ(範囲)4389-4398
ページ数10
ジャーナルInternational Journal of Advanced Manufacturing Technology
93
9-12
DOI
出版ステータスPublished - 2017 12 1

ASJC Scopus subject areas

  • 制御およびシステム工学
  • ソフトウェア
  • 機械工学
  • コンピュータ サイエンスの応用
  • 産業および生産工学

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