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1. 发明申请

WO2014192967A1 METHOD OF MANUFACTURING METAL CORE FOR RESIN GEAR 审中-公开
标题翻译：用于树脂齿轮的金属芯的制造方法
公开(公告)号：WO2014192967A1
公开(公告)日：2014-12-04
申请号：PCT/JP2014/064794
申请日：2014-05-28
申请人： NETUREN CO., LTD. , MORI IRON WORKS CO., LTD.
发明人： ISHIKI, Nobumoto , SUZUKI, Ryosuke , MORI, Takanobu , FUJIMURA, Hiroto , TANAKA, Toru
IPC分类号： B21K1/40 , B29D15/00 , F16H55/22 , B21K1/30 , F16H55/06
CPC分类号： B23P15/14 , B21D53/28 , B21K1/30 , B21K1/40 , F16H55/06 , F16H2055/065
摘要： A method of manufacturing a metal core (10) for a resin gear is provided. The metal core (10) has a boss portion (12) into which a shaft is to be press-fitted and a ring portion (14) to which an outer peripheral resin is to be joined. The method includes swaging a plate material (30) having a center hole (31) by pressing the plate material in an axial direction to form a swaged body, and forging the swaged body by pressing the swaged body in the axial direction under a higher pressure. The swaging includes deforming a portion around the center hole (31) in the axial direction to form an inner circumferential swaged portion, and deforming an outer circumferential portion of the plate material in the same axial direction to form an outer circumferential swaged portion. The forging includes forming the inner circumferential swaged portion into the boss portion, and forming the outer circumferent at swaged portion into the ring portion.
摘要翻译：提供一种制造用于树脂齿轮的金属芯（10）的方法。金属芯（10）具有：凸起部（12），轴被压配入该凸台部（12），外周面树脂要与其接合的环部（14）。该方法包括通过沿轴向按压板材来模制具有中心孔（31）的板材（30），以形成模锻体，并且通过在较高压力下沿着轴向按压模锻体来锻造模锻体。型锻包括使中心孔（31）沿轴向的一部分变形，形成内周锻造部，使板材的外周部沿相同的轴向变形，形成外周锻造部。锻造包括将内周锻造部分形成到凸台部分中，并且将锻造部分的外周形成为环部。

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