Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Norihiko Narutaki"'
Publikováno v:
International Journal of Machine Tools and Manufacture. 47:1971-1977
In the past few years, extensive researches have been done to improve the machinability of work materials in order to increase productivity and reduce the effect on the environment. To satisfy these demands, various free-machining steels have been re
Publikováno v:
Journal of the Japan Society for Precision Engineering, Contributed Papers. 71:1303-1308
本研究では, 炭素鋼S45Cを切削速度269~2089m/minの範囲で正面フライス切削し, 高速断続切削した場合の切削温度と工具摩耗の特徴を, 切削速度およびカッタ1回転中の実切削時間などの観点
Publikováno v:
Journal of the Japan Society for Precision Engineering, Contributed Papers. 71:931-935
本研究では, 同一材の焼結鋼に異なる熱処理を施して被削材硬さを変更したものを用意し, 穴あけ実験と旋削実験を行って検討した. その結果, ドリルの折損は, 硬度の高い (降伏強さの高
Publikováno v:
Journal of the Japan Society for Precision Engineering. 69:1104-1108
Scraping operation is indispensable to make high accuracy machine tools and measuring instruments. Scraping however needs not only highly professional skills but also the ability to make a scraping strategy, such as where and how far to be scraped. I
Autor:
Yasuo Yamane, Hideaki Kataoka, Ayumu Torimoto, Hajime Ohotuka, Norihiko Narutaki, Katsuhiko Sekiya
Publikováno v:
Journal of the Japan Society for Precision Engineering. 69:1620-1624
In-process tool life detecting system has been developed. To detect tool life during cutting operation, a belt type TiN thin film having good electric conductivity was coated parallel to cutting edges on flank face of a ceramic insert having no elect
Publikováno v:
Journal of Manufacturing Science and Engineering. 124:820-832
In order to increase the accurate finishing productivity of pearlitic cast iron, face milling by CBN (Cubic Boron Nitride) cutting tools was studied. The main focus of the study is the machinability investigation of pearlitic cast iron with CBN cutti
Publikováno v:
Journal of Materials Processing Technology. 127:246-250
In metal cutting, a vertical wall is generally cut by end milling. The wall machined by an end mill, however, has low accuracy owing to the bending of the end mill by cutting forces, especially in the case of a deep wall. Plunge cutting carried out u
Publikováno v:
Journal of the Japan Society for Precision Engineering. 68:581-585
In this study, influence of fitness of the taper connection of the spindle on the natural frequency on bending vibration of a test bar was studied. The spindle taper must sustain not only a large thrust force but also a large radial force due to the
Publikováno v:
Journal of the Japan Society for Precision Engineering. 67:867-872
Publikováno v:
The Proceedings of Design & Systems Conference. :259-262