著者

吉村 博仁 堀田 恭平 星 幸義 永澤 克浩

出版者

一般社団法人 日本機械学会

雑誌

日本機械学会論文集 (ISSN:21879761)

巻号頁・発行日

vol.83, no.853, pp.17-00094-17-00094, 2017 (Released:2017-09-25)

参考文献数

15

被引用文献数

1

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In recent years, needs for micro drilling are increasing, accompanying the development of higher wiring density of printed circuit board (PCB). When drilling PCB for the purpose of making the electric through holes, it has been said that the drill breakage is caused by being filled the chips of GFRP and copper of PCB in the drill flutes. The aim of this study is to clarify the effect of PCB drilling using DLC coated drill on tool wear, chip evacuation and cutting torque. Series of drilling tests of PCB have been carried out to investigate the amount of drill wear, the chips evacuation behavior out of drilled hole with the drill, the shape of chips produced and the cutting torque using DLC-coated drill and non-coated drill. The chips evacuation behavior out of drilled hole with the drill is filmed by a high-speed motion camera and the shape of chips produced is observed by a microscope. The cutting torque is measured by a dynamometer; Kistler 9329A. The amounts of drill flank wear and margin wear using DLC-coated drill and non-coated drill are almost the same. The chips of GFRP using DLC-coated drill are shorter and smaller than those using non-coated drill. The chips evacuation out of drilled hole with the drill using DLC-coated drill is better than those using non-coated drill, and cutting torque using DLC-coated drill is lower than those using non-coated drill.

著者

小林 裕史 堀田 恭平 高田 尚樹 藤本 貴之

出版者

情報処理学会

雑誌

研究報告情報システムと社会環境(IS) (ISSN:09196072)

巻号頁・発行日

vol.2010, no.20, pp.1-6, 2010-03-10

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本論文では,旧世代の機器と,現代のコンピュータ技術を接続した装置を提案する.本研究ではそのような試みを 「想い出のデザイン」 と呼んでいる.「想い出のデザイン」 とは,旧世代の 「想い出」 を喚起させつつ,新しいコンピュータ技術による新感覚のシステムを開発することを意味する.本研究で進めている複数の 「想い出のデザイン」 事例を紹介し,とりわけ,「黒電話」 をモチーフとした 「想い出のデザイン」 の開発について詳述する.In this research, we propose the device that connects old generation's equipment with modern computer technology. A new sense system by a new computer technology was developed rousing old generation's "Memories".