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    • 2. 发明授权
    • Method for manufacturing dimensionally correct compacts
    • 制造尺寸正确压块的方法
    • US5024811A
    • 1991-06-18
    • US539065
    • 1990-06-15
    • Gerd HinzmannNorbert NiesSiegfried Radewahn
    • Gerd HinzmannNorbert NiesSiegfried Radewahn
    • B30B11/02B22F3/02B30B11/00G05D5/00
    • B30B15/0094B22F3/02B30B11/005
    • Precision compacts are produced from powdered material in a mold having at least one top plug and at least one bottom plug between which plugs the powdered material is compressed. The course of the pressing force of at least one of the plugs is detected as a function of the path of its travel during compression, and compared with a predetermined path-dependent tolerance range of the pressing force. Upon exceeding such tolerance range, the final pressing position of the plug in question is changed in such a manner that the height of the compact in such final pressing position is reduced by an amount corresponding to the increased springing back of the compact upon its removal from the mold that results from the greater final pressing force. In the absence of exceeding such tolerance range, the final pressing position of the plug in question is changed in such a manner that the weight of the compact in such final pression position is increased by an amount corresponding to the decreased springing back of the compact upon its removal from the mold that results from the lesser final pressing force.
    • 在具有至少一个顶塞和至少一个底塞的模具中由粉末材料制造精密压块,在该底塞之间压入粉末材料。 根据其压缩过程中的行进路径来检测至少一个插头的按压力的过程,并与按压力的预定的路径相关的公差范围进行比较。 在超过这种公差范围时,所讨论的塞子的最终按压位置以这样的方式改变,使得在最终按压位置处的压块的高度减小了对应于压块从其移除时的增加的弹回 该模具由较大的最终按压力产生。 在没有超过该公差范围的情况下,所讨论的塞子的最终按压位置以这样的方式改变,使得在最终压紧位置处的压块的重量相应于压实件的减小的弹回 其从模具中的移除由最小的最小压力产生。
    • 7. 发明授权
    • Process and apparatus for the manfuacture of dimensionally accurate
die-formed parts
    • 用于尺寸精确的模具零件的制造工艺和装置
    • US5043111A
    • 1991-08-27
    • US537568
    • 1990-06-14
    • Gerd HinzmannNorbert NiesSiegfried Radewahn
    • Gerd HinzmannNorbert NiesSiegfried Radewahn
    • B30B15/18B22F3/02B30B11/00B30B11/02
    • B22F3/02B30B11/005B22F2999/00
    • A plurality of rams in a pressing machine are movable into and out of a predetermined position to compress power material and shape a die-formed part. The rams are advanced to a pre-selected spaced relationship to form a desired configuration of the die-formed part. Strain gauges are mounted on each ram to detect during the pressing operation elastic deformation, altering the dimension of the ram and the shape of the die-formed part. In response to detected elastic deformation, the strain gauges transmit a signal through a controller to a readout device for recording the magnitude of ram deformation. Thereafter, the press drive mechanism is actuated to move the rams to compensate for the change in dimension of the rams so that the rams are repositioned to maintain the desired spaced relationship for a predetermined configuration of the die-formed part.
    • 压制机中的多个柱塞可移动进出预定位置以压缩动力材料并成形模具部件。 柱塞前进到预先选择的间隔关系以形成模具形成部件的期望构造。 应变计安装在每个压头上,以在压制操作期间检测弹性变形,改变冲头的尺寸和模具形成部件的形状。 响应于检测到的弹性变形,应变计通过控制器将信号传输到读出装置,用于记录压头变形的大小。 此后,致动推动机构以移动公柱以补偿柱塞的尺寸变化,从而重新定位柱塞以保持模具形成部件的预定构造所需的间隔关系。
    • 8. 发明授权
    • Powder press
    • 粉饼机
    • US07553145B2
    • 2009-06-30
    • US11451137
    • 2006-06-12
    • Norbert NiesWalter SoltyBernd Horn
    • Norbert NiesWalter SoltyBernd Horn
    • B29C43/36
    • B22F3/03B22F2003/033B30B11/04
    • A powder press for compacting a compressible mass into a rigid and dimensionally accurate body has a base, a first sleeve part in the base and having an inner surface, and a second sleeve part movable in a predetermined direction on the base adjacent the first die part between an inner position and an outer position. The second part has an inner surface forming in the inner position with the first-part inner surface a cavity open outwardly in the direction. A piston shiftable in the direction in the cavity can compact the mass therein. An actuator can shift the second part in the direction relative to the first part between the inner and outer positions.
    • 用于将可压缩物料压实成刚性且尺寸精确的主体的粉末压制机具有底座,底座中的第一套筒部分和具有内表面的第二套筒部分,以及在与第一模具部件相邻的基部上沿预定方向移动的第二套筒部件 在内部位置和外部位置之间。 第二部分具有在内部位置形成的内表面,其中第一部分内表面是沿该方向向外敞开的空腔。 可在空腔中沿方向移动的活塞可以压缩其中的质量。 致动器可以在第二部分之间相对于第一部分在内部位置和外部位置之间移动第二部分。
    • 9. 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。