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群馬工業高等専門学校 (National Institute of Technology, Gunma College) >
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第36号(2017) >

このアイテムの引用には次の識別子を使用してください: http://hdl.handle.net/10087/11988

タイトル: 複合加工機による歯車のミーリング加工手順
その他のタイトル: Milling strategies for gear cutting by using CNC multitasking machine
著者: 岡本, 邦夫
金子, 忠夫
矢口, 久雄
発行日: 2018年3月26日
出版者: 群馬工業高等専門学校
引用: 群馬高専レビュー,(36),45-50
抄録: Multitasking machines are used to manufacture gears in small batches. This method is appropriate for prototype manufacturing in small-lot production differently from traditional gear gutting such as hobbing and shaping. In this paper, our effort to manufacture gears by using the multitasking machine, Mazak INTEGREX j-200 introduced to our college in 2014, is described. Gear profile data are constructed from FreeCAD (free-3DCAD software), and NC programs are prepared by Mastercam X7 (CAM program) with Multiaxis (optional 5 axis add-on). Proper selection of tool pass type in Mastercam allow us to save machining time and to improve surface quality. Two tool path types, “flowline” and “multi-surfaces”, are mainly applied to 3 machining steps, rough, semi-finish, and finish cut. It is shown that side cutting of gear is effective to reduce cusp height at finishing of the involute surfaces. Helical and straight bevel gears are also machined by same cutting manner, in which the surface model is derived by the gear profile swept along the rails. The results obtained in this study provide us the good operational capability of multitasking machine.
URI: http://hdl.handle.net/10087/11988
ISSN: 2433-9776
出現コレクション:第36号(2017)

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