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    • 94. 发明授权
    • Method of making aluminum alloy plate for bearing
    • 制造铝合金板的方法
    • US06439451B1
    • 2002-08-27
    • US09739275
    • 2000-12-19
    • Yukihiko KagoharaMasahito FujitaKoichi YamamotoTakayuki Shibayama
    • Yukihiko KagoharaMasahito FujitaKoichi YamamotoTakayuki Shibayama
    • B23K3102
    • C22C21/003B21B31/07B21B2003/001B22D11/008B32B15/016C22C21/02F16C33/121Y10T29/302
    • A method of making an aluminum alloy plate for bearing which is made by cladding a bonding layer comprising a pure aluminum or an aluminum alloy excluding Sn onto a bearing alloy layer comprising an aluminum alloy containing Sn. The method includes the steps of fitting a concave portion of a first roll in a convex portion of a second roll, the first roll having both axial ends with large diameter portions respectively, the second roll having both axial ends with small diameter portions respectively, and passing superposed plates formed into the bearing alloy layer and the bonding layer respectively through a roll gap defined between the concave and convex portions and closed by the large diameter portions of the first roll so that the plates are rolled down at a reduction ratio not less than 50% while both widthwise ends of each plate is restricted by the large diameter portions of the first roll respectively such that the bonding layer is cladded onto the bearing alloy layer.
    • 一种制造用于轴承的铝合金板的方法,其通过将包括纯铝或除Sn之外的铝合金的接合层包覆在包含含有Sn的铝合金的轴承合金层上而制成。 该方法包括以下步骤:将第一辊的凹部装配在第二辊的凸部中,第一辊分别具有两个具有大直径部分的轴向端部,第二辊分别具有两个具有小直径部分的轴向端部,以及 通过形成在轴承合金层和接合层中的叠置板分别通过限定在凹凸部之间的辊间隙并由第一辊的大直径部分封闭,使得板以不小于 50%,而每个板的宽度方向两端分别受到第一辊的大直径部分的限制,使得接合层被包覆在轴承合金层上。
    • 99. 发明授权
    • Sliding bearing for light alloy housing
    • 滑动轴承轻合金外壳
    • US5432013A
    • 1995-07-11
    • US112263
    • 1993-08-27
    • Tadashi TanakaMasaaki SakamotoKoichi YamamotoYoshiaki SatoTohru Kato
    • Tadashi TanakaMasaaki SakamotoKoichi YamamotoYoshiaki SatoTohru Kato
    • B32B15/01F16C33/12
    • B32B15/017F16C33/12F16C2204/20F16C2204/22Y10S384/912Y10T428/12687Y10T428/12701Y10T428/1275
    • A sliding bearing has a back metal made of a copper alloy which has a high followability with respect to deformation of a light alloy housing, and with this construction, the sliding bearing is excellent in fretting resistance and migration resistance. The multi-layer sliding bearing for a light alloy housing includes an aluminum alloy bearing layer, and a back metal layer, the back metal layer being made of a copper alloy which has a thermal expansion coefficient of not less than 15.times.10.sup.-6 /.degree.C., a 0.2% yield strength of not less than 295 N/mm.sup.2 and a heat transfer coefficient of not less than 0.40 Cal/cm.cndot.sec.cndot..degree.C. A Pb-alloy overlay layer can be formed on the bearing layer. A bonding layer can be formed between the bearing layer and the back metal layer. A flash plating layer can be formed on an entire surface of the bearing. When a large interference is not obtained, or under sever conditions as when the temperatures of the bearing and the lubricating oil rise in a high-speed range of the internal combustion engine or as when the inertia force of the housing increases, an excellent bearing performance is achieved by the sliding bearing of the present invention.
    • 滑动轴承具有由铜合金制成的背金属,其对于轻合金壳体的变形具有高的跟随性,并且通过这种结构,滑动轴承具有优良的耐摩擦性和耐迁移性。 用于轻合金壳体的多层滑动轴承包括铝合金轴承层和背金属层,后金属层由铜合金制成,其热膨胀系数不小于15×10 -6 /℃ 0.2%屈服强度不低于295N / mm2,传热系数不低于0.40Cal / cm·sec。 可以在轴承层上形成Pb合金覆盖层。 可以在承载层和背面金属层之间形成结合层。 可以在轴承的整个表面上形成闪镀层。 当没有获得大干扰时,或者在严格的条件下,当轴承和润滑油的温度在内燃机的高速范围内升高时,或当壳体的惯性力增加时,优异的轴承性能 是通过本发明的滑动轴承实现的。