About OBIKAWA TOSHIYUKI
About 東京電機大 ものづくりセ
About parts
About aircraft
About difficult-to-machine material
About nickel base alloy
About titanium base alloy
About aluminum compound
About chromium compound
About titanium compound
About nitride
About drilling(cutting)
About precision machining
About cemented carbide
About coated tool
About cutting(machining)
About diamond tool
About CBN tool
About end mill
About spirality
About residual stress
About fatigue strength
About cutting tool
About technology development
About バレル工具
About technical trend
About Cutting in general
About 次世代
About 切削工具
About 難削材加工
About 切削加工
About 動向