About OBIKAWA TOSHIYUKI
About 東京電機大 ものづくりセ
About MORIGO CHIKARA
About トクピ製作所
About HASEGAWA TOORU
About 長谷川機械製作所
About refrigerant
About difficult-to-machine material
About cutting (machining)
About chip (cutting)
About tool wear
About chip treatment
About tool life
About lifetime extension
About small diameter
About drilling (machining)
About automobile industry
About mechanical property
About property
About 高圧クーラント
About 快適切削加工
About Cutting in general
About 高圧
About クーラント
About 切削
About 問題
About 難削材
About 切削加工