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    • 17. 发明申请
    • SURFACE TREATING METHOD FOR LIGHT-METAL CASTINGS AND VEHICLE ALUMINUM WHEEL SURFACE-TREATED BY THE SAME METHOD
    • 用于轻金属铸件和车辆表面处理方法的表面处理方法
    • WO00043153A1
    • 2000-07-27
    • PCT/JP2000/000199
    • 2000-01-18
    • B22D15/00B22D17/12B22D27/11B22D29/00B60B3/00C23C14/16C23C14/20
    • B22D27/11B22D15/005B22D17/12
    • This surface treating method comprises the steps of greatly reducing the resin thickness of a substrate when a light-metal casting, such as an aluminum wheel casting (26), is to be coated with a dry-plated layer, pressurizing molten metal filled into a mold cavity (14) under a predetermined high pressure by an injection plunger (16) in order to provide a metallic luster superior in design, casting a light-metal material by the high pressure casting method, as desired, that presses a predetermined region of the molten metal during the solidification of the molten metal by a pressing pin (22) installed on a mold (12), barrel-finishing the casting surface of the casting of light-metal material cast and formed by fully reducing the size and number of pinholes in the casting surface of the casting, applying a resin coating to the polished surface, and forming a metal or metallic compound layer on the resin coating surface by dry plating, thereby providing a light-metal casting, such as an aluminum wheel, having a lustrous design surface.
    • 这种表面处理方法包括以下步骤:当将铝轮铸造件(26)等轻金属铸件涂覆在干镀层上时,大大降低基板的树脂厚度,将填充到 通过注射柱塞(16)在预定的高压下形成模腔(14),以提供优异的设计的金属光泽,根据需要通过高压铸造法铸造轻金属材料,压制预定区域 通过安装在模具(12)上的按压销(22)固化熔融金属期间的熔融金属,对通过完全减小尺寸和数量的轻金属材料铸造的铸造表面进行机筒加工 在铸件的铸造表面中的针孔,将树脂涂层施加到抛光表面,并通过干电镀在树脂涂层表面上形成金属或金属化合物层,从而提供轻金属铸造,例如 铝轮,具有光泽的设计表面。