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    • 86. 发明授权
    • Method and equipment for forming the axle housing of an automobile using
an integral steel tube
    • 使用整体钢管形成汽车车轴壳体的方法和设备
    • US5406819A
    • 1995-04-18
    • US998722
    • 1992-12-30
    • Xiandong WangDu Bian
    • Xiandong WangDu Bian
    • B21D21/00B21D39/20B21D53/90
    • B21D39/20B21D21/00B21D53/90
    • The invention relates to a method for forming and manufacturing the automobile rear axle housing from an integral steel tube, and to the special equipment for using the said method. The method involves cutting a longitudinal through opening in the center of the steel tube, expanding the opening with an expanding device and after expansion, roll-pressing or pressing the tube wall into the required form. The equipment designed for using this method comprises an operable die set, tube end thrust unit, opening expansion unit, roll-press unit and press unit. The use of this invention for making the automobile rear axle housing will omit the welding process, improve product quality, reduce manufacturing cost and the investment for equipment.
    • 本发明涉及一种用于从整体钢管形成和制造汽车后轴壳体的方法以及用于使用所述方法的专用设备。 该方法包括切割钢管中心的纵向通孔,用扩张装置膨胀开口,并且在膨胀,辊压或将管壁压入所需形式之后。 使用该方法设计的设备包括可操作的模具组,管端推力单元,开口膨胀单元,辊压单元和压制单元。 使用本发明制造汽车后桥壳体将省略焊接过程,提高产品质量,降低制造成本和对设备的投资。
    • 87. 发明授权
    • Method for forming a banjo-type axle housing
    • 形成班卓琴轴壳的方法
    • US5163226A
    • 1992-11-17
    • US731737
    • 1991-07-16
    • Orville E. Phelps
    • Orville E. Phelps
    • B21D17/00B21D53/90B60B35/16F16C3/02
    • B21D53/90B60B35/16B60B2310/302B60B2310/305B60B2360/1442B60B2900/131B60B2900/133B60B2900/321Y10T29/49622
    • Two embodiments of a method for forming a banjo type axle housing are disclosed. Initially, one end of a tube is split into upper and lower sides by forming a pair of opposed longitudinally extending slots therein. The sides are spread apart from one another to form a yoke-like end portion. A second tube is formed in a similar manner. The two tubes are then positioned end-to-end such that the end portions abut one another. Next, the abutting end portions of the tubes are welded together to form the basic housing structure. Preferably, the upper and lower sides of such end portions are slightly spread apart from one another to introduce desirable surface compressive stresses in the welded housing. A mounting plate is then secured to the axle housing on opposite sides of the opening. The mounting plate is provided with a generally oval shaped opening. Flanages are then secured to or formed integrally with the ends of the axle housing. The flanges are used for precisely locating apertures which are next formed through the mounting plate. Such apertures are provided for mounting a carrier for the axle assembly onto the banjo type axle housing. Alternatively, the apertures can be pre-formed through the mounting plate. In this event, the mounting plate is precisely positioned relative to the banjo type axle housing by means of the flanges before being secured thereto. In both embodiments, the apertures formed through the mounting plate are precisely positioned relative to the flanges at the ends of the tubes.
    • 公开了一种形成班卓琴式车轴壳体的方法的两个实施例。 最初,通过在其中形成一对相对的纵向延伸的槽,将管的一端分成上侧和下侧。 侧面彼此分开形成轭状端部。 以类似的方式形成第二管。 然后将两个管端对端定位成使得端部彼此邻接。 接下来,将管的邻接端部焊接在一起以形成基本的壳体结构。 优选地,这些端部的上侧和下侧彼此稍微分开,以在焊接的壳体中引入所需的表面压缩应力。 然后将安装板在开口的相对侧固定到轴壳体。 安装板设有大致椭圆形的开口。 然后将Flanage固定到车轴壳体的端部或与车轴壳体的端部一体形成。 凸缘用于精确定位下一次通过安装板形成的孔。 这样的孔被设置用于将用于轴组件的载体安装到班卓琴型轴箱上。 或者,孔可以通过安装板预先形成。 在这种情况下,安装板在被固定在其上之前通过凸缘相对于班卓琴式车轴壳体精确定位。 在两个实施例中,通过安装板形成的孔相对于管末端处的凸缘精确定位。