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    • 4. 发明公开
    • Manufacturing method and structure of bicycle wheel hub
    • Herstellungsverfahren und Strukturfüreine Fahrradradnabe
    • EP2653294A1
    • 2013-10-23
    • EP12250099.4
    • 2012-04-21
    • Lin, Shu-Wei
    • Lin, Shu-Wei
    • B29C70/22B29C70/46B29C70/48B29C70/54B29C70/86B29C70/88B60B5/00B60B27/02B29L31/30B29K307/04
    • B29C70/462B29C70/222B29C70/228B29C70/48B29C70/545B29C70/865B29C70/887B29K2307/04B29L2031/3091B60B5/02B60B27/023B60B2310/204B60B2360/3416B60B2360/3424
    • A manufacturing method of a bicycle wheel hub includes pre-weaving into a carbon fiber sleeve (10), stacking and telescoping carbon fiber sleeves, placing into left and right molds (30,31), placing reinforcing sheets (20), clamping upper and lower molds (32,33), vacuuming, injecting a resin, curing, mold opening and drilling. A structure of the wheel hub manufacturing by the method includes a carbon fiber body (40) and two reinforcing sheets (20). The carbon fiber body includes a tube portion (41) and two ear portions (42), which are integrally extended from two ends of the tube portion and have the larger outer diameters. The ear portions have spoke holes (43) arranged separately and in a ring shape. The reinforcing sheets are ring-shaped sheets and covered in the two ear portions, respectively, when the carbon fiber body is formed. The reinforcing sheets have through holes, which correspond to the spoke holes and have the same shape. The manufacturing method and structure has the enhanced production efficiency, stable quality, low cost and high structural strength.
    • 一种自行车车轮轮毂的制造方法,包括预编织到碳纤维套筒(10)中,堆叠和伸缩的碳纤维套筒,放置在左和右模具(30,31)中,放置加强片(20),夹紧上部和 下模(32,33),抽真空,注射树脂,固化,开模和钻孔。 通过该方法制造的轮毂的结构包括碳纤维体(40)和两个加强片(20)。 碳纤维体包括管部分(41)和两个耳部(42),它们从管部分的两端整体延伸并具有较大的外径。 耳部具有单独布置并呈环形的辐条孔(43)。 当形成碳纤维体时,加强片分别是环形片,并分别覆盖在两个耳部中。 加强片具有对应于轮辐孔并具有相同形状的通孔。 制造方法和结构具有生产效率提高,质量稳定,成本低,结构强度高的优点。