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    Process and apparatus for the cold extrusion of metal bushings, in particular, for tracks of track-laying tractors and the like
    1.
    发明公开
    Process and apparatus for the cold extrusion of metal bushings, in particular, for tracks of track-laying tractors and the like 失效
    用于对金属衬套冷挤压，特别是用于履带式车辆的环形履带的方法和装置。

    公开(公告)号：EP0003773A1

    公开(公告)日：1979-09-05

    申请号：EP79100356.9

    申请日：1979-02-08

    申请人： ITS - ITALTRACTOR-SUD-S.p.a. (Société per Azioni)

    发明人： Cuneo, Carlo Alberto ,  Ielpo, Carmine ,  Sacco, Decio

    IPC分类号： B21C23/03 ,  B21C23/20

    CPC分类号： B21C23/03 ,  B21C23/20 ,  B21K1/02

    摘要： Process and apparatus for the cold extrusion of bushings (2) from cylindrical metal pieces or slabs, carried out by means of a single extrusion step, performed into an apparatus comprising a press body with a reciprocating punch (4), cooperating with a coaxial press die (8), including a coaxial seat adapted to receive the metal slab to be transformed in a bushing as well as a upper sleeve (6), slidably mounted about said punch and acting as guiding means for correctly centering said punch with regard of said piece during the extrusion step.

    摘要翻译： 方法和装置用于从筒状金属片或板，借助于一个单个的挤出步骤的情况下进行，所执行进到装置，包括一个压体与往复冲头（4）的衬套（2）的冷挤压，具有同轴压配合 所述（8），其包括同轴的座angepasst以接收所述金属板被变换成一个衬套，以及一个上部套筒（6）可滑动地安装大约所述冲头，并作为引导装置，用于正确地定心所述冲头与所述的方面 在挤出步骤片。