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    • 4. 发明申请
    • LIGHTWEIGHT ALUMINUM CAMSHAFT AND MANUFACTURING METHOD THEREOF
    • 轻型铝合金及其制造方法
    • WO2006041255A1
    • 2006-04-20
    • PCT/KR2005/002772
    • 2005-08-23
    • KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY (KITECH)JO, Hyung, HoKIM, Shae, Kwang
    • JO, Hyung, HoKIM, Shae, Kwang
    • B22D19/04
    • B22D25/02B22D19/04
    • A lightweigth aluminum camshaft and manufacturing method thereof is provided. The method of manufacturing a lightweigth aluminum camshaft having a cam portion having cams the numver of which is same as that of valves in order to open and close suction and exhaust valves in an engine, and a shaft portion (3) on which the cam portion is mounted, includes the steps of separately fabricating the cam portion with cam pieces (2a), inserting the separately fabricated cam pieces as inserts into a mold, and injectiong molten aluminum alloy into the mold (4) through an aluminum casting method, to thereby from the cam pieces (2a) and a shaft portion (3) called a journal portion in an integral from. Simultaneously, a lightweight aluminum camshaft manufactured by the lightweight aluminum camshaft manufacturing method is provided. Here, a binder portion whose diameter is larger than that of the shaft portion and having binders each formed in the form of a reinforced rib coming into contact with the side surface of each cam piece, is provided in the joining portion of the cam pieces and the shaft portion, in order to enhance a joining intensity. Thus, the lightweight aluminum camshaft becomes lighter, has an excellent wear-resistant property, possesses a high durability and strength, and is inexpensive.
    • 本发明提供一种轻质铝合金凸轮轴及其制造方法。 制造轻型铝合金凸轮轴的方法,该凸轮轴具有凸轮,其凸轮数与阀相同,以便打开和关闭发动机中的抽吸和排气阀;以及轴部(3),凸轮部分 安装有包括单独制造具有凸轮件(2a)的凸轮部分的步骤,将作为插入件的单独制造的凸轮件插入模具中,并且通过铝铸造方法将熔融铝合金注入模具(4),从而 从凸轮片(2a)和被称为整体的轴颈部分的轴部分(3)。 同时,提供了一种由轻型铝凸轮轴制造方法制造的轻质铝合金凸轮轴。 这里,在凸轮件的接合部分设置有直径大于轴部并且具有与每个凸轮件的侧表面接触的加强肋形式的粘结剂的粘合剂部分, 轴部分,以增强接合强度。 因此,轻型铝凸轮轴变轻,具有优异的耐磨性,耐久性和强度高,成本低廉。