METHOD OF MANUFACTURING BEARING UNIT, AND ROTARY PRESS DEVICE

A rotary press device (33) includes a restriction section (36) configured to restrict a motion of a roll (30) around a central axis of a roll (30) against movement of the roll (30) around a central axis of a hub main body (8) during rotary forging. In an example, the restriction section (36) has gui...

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Bibliographische Detailangaben
Hauptverfasser: Kobayashi, Kazuto, Nakamura, Toshio, Koyama, Hiroshi, Hagiwara, Nobuyuki, Shintou, Isao
Format: Patent
Sprache:eng
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Zusammenfassung:A rotary press device (33) includes a restriction section (36) configured to restrict a motion of a roll (30) around a central axis of a roll (30) against movement of the roll (30) around a central axis of a hub main body (8) during rotary forging. In an example, the restriction section (36) has guide teeth (44) meshed with teeth formed on a processing surface of the roll (30).