Development of ultra-fine-grain binderless cBN tool for precision cutting of ferrous materials

Fujisaki, Kazuhiro; Yokota, Hideo; Furushiro, Naomichi; Yamagata, Yutaka; Taniguchi, Takashi; Himeno, Ryutaro; Makinouchi, Akitake; Higuchi, Toshiro

Development of ultra-fine-grain binderless cBN tool for precision cutting of ferrous materials

Fujisaki, Kazuhiro; Yokota, Hideo; Furushiro, Naomichi et al.

Journal of Materials Processing Technology, 2009, 209(15-16), 5646-5652

Permalink : https://hdl.handle.net/2115/39399

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アクセス権	open access
URI	https://hdl.handle.net/2115/39399
タイトル	Development of ultra-fine-grain binderless cBN tool for precision cutting of ferrous materials
著者	Fujisaki, Kazuhiro ; Yokota, Hideo ; Furushiro, Naomichi ; Yamagata, Yutaka ; Taniguchi, Takashi ; Himeno, Ryutaro ; Makinouchi, Akitake ; Higuchi, Toshiro
e-Rad_Researcher 90435678 著者名 Fujisaki, Kazuhiro
著者名 Yokota, Hideo
著者名 Furushiro, Naomichi
著者名 Yamagata, Yutaka
著者名 Taniguchi, Takashi
著者名 Himeno, Ryutaro
著者名 Makinouchi, Akitake
著者名 Higuchi, Toshiro
言語	英語
キーワード	High-precision machining
	Cubic boron nitride
	Single-crystal diamond tool
	Mirror-like surface
	Ferrous material
発行日	2009-08-01
出版者	Elsevier B.V.
収録物名	Journal of Materials Processing Technology
巻(号)	209(15-16)
ページ	5646-5652
抄録	A new cutting tool was developed from ultra-fine-grain (<100 nm), binderless cubic boron nitride (cBN) material fabricated by transforming hexagonal boron nitride to cBN by means of sintering under an ultra-high pressure of 10 GPa at 1800℃. The cutting edges of the newly developed cBN tool can be made as sharp as those of single-crystal diamond tools. In this experiment, cBN and single-crystal diamond tools of the same shape were compared by precision cutting tests using stainless steel specimens and steel specimens coated with an electroless Ni-P layer. The surface roughness (Rz) of specimen surfaces cut with the cBN tool by means of planing was approximately 100 nm for both the Ni-P-coated steel and stainless steel specimens. Though similar Rz values were obtained for Ni-P layers cut by the cBN and diamond tools, an Rz value exceeding 2000 nm was obtained for stainless steel cut by the diamond tool. High-precision surfaces with Rz values of 50-100 nm were obtained for stainless steel specimens cut with the cBN tool under high-speed milling (942 m/min) conditions. These results indicate that the newly developed cBN tool is useful for the ultra-precision or precision cutting of ferrous materials.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	0924-0136
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.jmatprotec.2009.05.023