小歯数・大ねじれ角を有するはすば歯車の転造成形（押し込みによる成形誤差の幾何学的考察）
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This article is published in Transactions of the Japan Society of Mechanical Engineers. C.The article was published on 2013-01-01 and is currently open access. It has received 1 citations till now. The article focuses on the topics: Penetration (firestop).read more
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Form rolling apparatus and form rolling method
TL;DR: In this article, a form rolling apparatus for applying in-feed form rolling to a rod-shaped material includes a support portion configured to support the rodshaped material to be axially rotatable, a round die formed with die teeth on an outer periphery thereof, the die teeth configured to be positioned facing an inner periphery surface of the rod shape material, and a moving device moving the round die so that a distance of axes of the round dies and the rod shaped material changes.