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    • 1. 发明授权
    • Device for producing pressed articles
    • 冲压制品生产装置
    • US5906837A
    • 1999-05-25
    • US776371
    • 1997-01-29
    • Rainer LinkKlaus VossenMatthias HolthausenNorbert Nies
    • Rainer LinkKlaus VossenMatthias HolthausenNorbert Nies
    • B30B11/02B22F3/035B22F5/08B30B11/00B30B11/04B22F3/03
    • B22F5/085B22F5/08B30B11/005B30B11/04B22F2998/00
    • A device for producing pressed articles with a main cylindrically-shaped elements and secondary helically-shaped element from powdered material, especially powdered metal, with a female mold and with at least one top punch, which is supported so as to be rotatable about its longitudinal axis, and at least one bottom punch, which is supported so as to be rotatable about its longitudinal axis. The top and bottom punches are movable axially relative to the female mold by means of motor drives and the top punch, of which there is at least one, is driven in rotation about its longitudinal axis to achieve a helical movement in addition to its axial drive the bottom punch, of which there is at least one, is also driven in rotation. Rotary motor drives of the punches are mechanically uncoupled from the drives for the axial movement of the punches and may be regulated separately by an electronic control.
    • PCT No.PCT / DE95 / 00954 Sec。 371日期1997年1月29日 102(e)日期1997年1月29日PCT提交1995年7月13日PCT公布。 公开号WO96 / 04087 日期1996年2月15日一种用于制造具有主圆柱形元件和二次螺旋形元件的压制制品的装置,其由粉末材料,特别是金属粉末,具有阴模和至少一个顶部冲头,其被支撑为 可围绕其纵向轴线旋转,以及至少一个底部冲头,其被支撑成可围绕其纵向轴线旋转。 顶部和底部冲头可通过电动机驱动器相对于阴模轴向移动,并且至少有一个的顶部冲头围绕其纵向轴线被驱动旋转以实现除了其轴向驱动之外的螺旋运动 其中至少有一个的底部冲头也被旋转驱动。 冲头的旋转电机驱动器与用于冲头的轴向运动的驱动器机械地脱开,并且可以通过电子控制单独地调节。