Process for the soldering of the cooler assembly to automobile radiators
    1.
    发明授权
    Process for the soldering of the cooler assembly to automobile radiators 失效
    将冷却器组件焊接到汽车散热器的过程

    公开(公告)号:US4037774A

    公开(公告)日:1977-07-26

    申请号:US612804

    申请日:1975-09-12

    CPC classification number: B23K35/002 B23K1/0002 C23F1/36

    Abstract: An improved method is disclosed for the soldering together of the cooling assembly of automobile radiators wherein aluminum fins, a first part of the cooling assembly, are etched in a solution consisting essentially of 10 to 14% sodium hydroxide, 4 to 7% zinc cyanide, 20 to 30% technical urea with the balance water for a period of 15 to 30 seconds at a temperature of 32 .degree. to 60.degree. C prior to undergoing treatment with a protective coating and eventual soldering to cooling pipes made of copper, brass, steel or aluminum, the remainder of the cooling assembly.

    Abstract translation: 公开了一种用于将汽车散热器的冷却组件焊接在一起的改进方法,其中铝散热片(冷却组件的第一部分)被蚀刻在基本上由10至14%的氢氧化钠,4至7%的氰化锌, 20至30%的技术性尿素,余量为15至30秒,温度为32至60℃,然后用保护涂层进行处理,最终焊接到由铜,黄铜,钢或铜制成的冷却管道上 铝,其余的冷却组件。

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