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セラミック工具による焼入鋼の切削加工 Machining of Hardened Steels with　Ceramic Cutting Tools 越智, 秋雄 オチ, アキオ 鳴瀧, 則彦 ナルタキ, ノリヒコ Ochi, Akio Narutaki, Norihiko ceramic tools hardened steels turning face milling tool wear tool life tool breakage application/pdf Turning and milling tests of hardened plain and alloy steels (JIS S55C and JIS SNCM630) with TiC added ceramic tools are conducted and compared with carbide tools. Tool wear or disintegration of cutting edges are observed precisely under various cutting conditions and obtained tool life data are analyzed in order to evaluate the cutting performance of ceramic tools in machining of hardened steels. From these experiments, excellent performance of ceramic tools in turning test is reported. Also some specific facts and suggestions are proposed for the successful use of ceramic tools in face milling of steels. 広島工業大学 1989 jpn departmental bulletin paper VoR https://it-hiroshima.repo.nii.ac.jp/records/505 AN0021271X 03851672 広島工業大学研究紀要 23 167 174 https://it-hiroshima.repo.nii.ac.jp/record/505/files/kenkyukiyo23167.pdf application/pdf 377.8 kB 2023-03-30