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    • 7. 发明授权
    • Process for the manufacture of compacts in a powder press
    • 在粉末压机中制造压块的方法
    • US07211217B2
    • 2007-05-01
    • US10225747
    • 2002-08-22
    • Jurgen HinzpeterUlrich ZeuschnerIngo SchmidtThomas PannewitzUdo BaltruschatThorsten EhrichUlf Hauschild
    • Jurgen HinzpeterUlrich ZeuschnerIngo SchmidtThomas PannewitzUdo BaltruschatThorsten EhrichUlf Hauschild
    • B22F1/00B22F1/02
    • B30B15/22B22F3/02B22F2999/00B30B11/005B22F2203/03
    • A process for the manufacture of compacts, particularly cemented-carbide cutting blades, by compressing metallic powder and subsequently sintering the compacts wherein the compacts are formed in a powder press having a die-plate, an upper ram and at least one lower ram which are associated with a die-bore and are adapted to be actuated by a hydraulic press cylinder with the rams having associated thereto force-measuring devices and path-measuring devices to measure the compression forces during the ram feed motion up to the final positions, wherein the value of the energy to be applied by the upper ram is stored for a compact of predetermined geometry and dimensions and a predetermined material, that the overall energy to be applied by the upper and lower rams is further stored as a second value, that the feed motion of the upper ram is completed when the energy applied by the ram has reached the predetermined first value and the feed motion of the lower ram is effected depending on the application of the residual energy and is completed when the overall energy has reached the predetermined second value.
    • 一种用于制造压块,特别是硬质合金切割刀片的方法,通过压缩金属粉末并随后烧结压块,其中压块在具有模板,上压头和至少一个下压头的粉末压力机中形成, 与模孔相关联并且适于由具有与其相关联的压头的液压冲压缸致动力测量装置和路径测量装置来测量在柱塞进给运动期间的压缩力直到最终位置,其中 由上部压头施加的能量的值被存储为具有预定几何尺寸和尺寸和预定材料的压实体,使得由上部和下部柱塞施加的总能量被进一步存储为第二值,即进给 当由冲头施加的能量已经达到预定的第一值时,上冲头的运动完成,并且下冲头的进给运动根据第 e施加剩余能量并在总能量达到预定的第二值时完成。
    • 8. 发明授权
    • Method and apparatus for minimizing the spread of maximum compression forces in a powder press
    • 用于最小化粉末压机中最大压缩力的扩散的方法和装置
    • US07147820B2
    • 2006-12-12
    • US10225604
    • 2002-08-22
    • Jurgen HinzpeterUlrich ZeuschnerIngo SchmidtThomas PannewitzUdo BaltruschatThorsten EhrichUlf Hauschild
    • Jurgen HinzpeterUlrich ZeuschnerIngo SchmidtThomas PannewitzUdo BaltruschatThorsten EhrichUlf Hauschild
    • B22F3/00
    • B22F3/004B22F2999/00B30B11/005B30B11/022B30B15/22B30B15/302B22F2203/03B22F3/03B22F2202/01
    • A method for minimizing the spread of the maximum compression forces in compacting powder, specifically metallic powder, by means of a powder press which has a die-plate, an upper ram, and at least one lower ram which are associated with a die-bore and are respectively operable by a hydraulic press cylinder, and a charging shoe movable on the die-plate along a predetermined path for filling the die-bore with the powder, wherein the maximum compression force of at least the upper ram is measured upon arrival at a predetermined position, the charging shoe, the die-plate, the upper ram and/or lower ram are vibrated at a predetermined frequency and amplitude during the filling operation and/or at the beginning of the compression procedure and, in addition, the filling time or the course of charging shoe motion in time are predetermined, wherein the frequency distribution of the maximum compression force values is determined at intervals and the standard deviation is determined therefrom for the maximum compression force, the standard deviation is compared to a predetermined value, if desired, and the vibration parameters, the course of motion in time and/or the path of charging shoe travel are varied according to a predetermined program until the standard deviation has reached the predetermined value or a minimum.
    • 一种通过粉末压制机将压实粉末(特别是金属粉末)中的最大压缩力的扩散最小化的方法,所述粉末压制机具有与模孔相关联的模板,上压头和至少一个下压头 并且可分别通过液压缸和一个可沿着预定路径移动的模具板上的充填鞋,用于用粉末填充模孔,其中至少在上冲头的最大压力在到达时测量 在填充操作期间和/或在压缩过程开始时,预定位置,充电块,模板,上压头和/或下压头以预定的频率和振幅振动,此外,填充 预先确定时间或鞋子运动时间的过程,其中最大压缩力值的频率分布以间隔确定,并且由此确定标准偏差 r最大压缩力,如果需要,将标准偏差与预定值进行比较,并且根据预定程序改变振动参数,时间上的运动过程和/或充电靴行进路径,直到标准偏差 已达到预定值或最小值。
    • 9. 发明授权
    • Arrangement for monitoring pressing forces in a pelletizing machine
    • 用于监控压力机中的压力的​​装置
    • US5145693A
    • 1992-09-08
    • US611176
    • 1990-11-08
    • Jurgen HinzpeterIngo SchmidtHeinrich BehrmannJorg ReitbergerKlaus-Peter Preuss
    • Jurgen HinzpeterIngo SchmidtHeinrich BehrmannJorg ReitbergerKlaus-Peter Preuss
    • B30B11/00B30B11/08
    • B30B15/32B30B11/005B30B11/08
    • A method of monitoring maximum pressing forces of a pelletizing machine provided with a rotatable matrix disc and plungers, involves the steps of supplying values corresponding to pressing forces applied by plungers for evaluation in a computer so as to control a deviating device, detecting a position of the matrix disc continuously by an angle pulse transmitter and releasing pulses by the latter to supply the pulses to the computer, and coordinating the pulses with predetermined maximum pressing force values and supplying to evaluation. The pelletizing machine has a rotatable matrix disc, plungers whose maximum pressing forces are supplied for evaluation, a computer to which the maximum pressing forces of the plungers are supplied for evaluation, and an angle pulse transmitter supplying pulses released by the matrix disc during its rotation into the computer for an association to measured maximum pressing forces.
    • 一种监测设置有可旋转矩阵盘和柱塞的造粒机的最大压力的方法,包括以下步骤:将对应于由柱塞施加的压力的值提供给计算机进行评估,以便控制偏差装置,检测位置 矩阵盘由角度脉冲发射器连续地释放,并且通过后者释放脉冲以将脉冲提供给计算机,并且将预定的最大压力值与脉冲协调并提供给评估。 造粒机具有可旋转矩阵盘,其最大压力被提供用于评估的柱塞,用于评估柱塞的最大压力的计算机,以及角度脉冲发生器,其在旋转期间提供由矩阵盘释放的脉冲 进入计算机进行关联以测量最大压力。