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    • 2. 发明申请
    • Continuous extrusion apparatus and method for the production of cable having a core sheathed with aluminum based sheath with a continuous extrusion apparatus
    • 连续挤出装置和生产电缆的方法,其具有用铝基护套连接的带有连续挤出装置的芯
    • US20100163270A1
    • 2010-07-01
    • US12654136
    • 2009-12-11
    • Daniel John Hawkes
    • Daniel John Hawkes
    • H01B7/17B21C23/08
    • B21C23/30H01B13/245Y10T29/53126Y10T29/53348
    • Apparatus for continuous extrusion of an aluminium sheathing on to a core cable includes a rotatable wheel formed with two identical circumferential grooves outwardly bounded by arcuate tooling discharging through radial exit apertures to an extrusion chamber positioned around a portal mandrel. A powered pay-off reel is arranged continuously to supply core cable through the mandrel whilst aluminium sheathing is extruded as a loose fit from extrusion chamber around the core cable. The extruded cable is discharged through cooling device to roller corrugator including a rotating frame mounted on carriage freely moveable axially of the cable and provided with a rotational drive having a roller arranged to form a continuous helical indentation in the sheathing. Pneumatic actuating cylinders positioned on the carriage provide a constant, low magnitude, tension on the portion of the sheath intermediate the extrusion chamber and roller corrugator and limit forces tending to distort the uncooled sheath.
    • 用于将铝护套连续挤出到芯线缆的装置包括可旋转轮,其形成有两个相同的周向槽,该圆周槽由弓形工具向外限定,通过径向出口孔排放到定位在门心轴周围的挤压室。 驱动的发射卷轴被连续布置以供应芯线缆穿过心轴,而铝护套被挤出成与芯线缆周围的挤出室松配合。 挤出的电缆通过冷却装置排放到辊瓦楞机上,该辊瓦楞机包括安装在支架上的旋转框架,该滑架可自由地在电缆的轴向移动并且具有旋转驱动器,该驱动装置具有布置成在护套中形成连续的螺旋形凹陷。 定位在滑架上的气动执行气缸在挤出室和辊瓦楞机之间的护套部分上提供恒定的低幅度张力,并且限制力倾向于使非制冷的护套变形。