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    • 22. 发明申请
    • Method and device for aligning flat copies in sheet-processing machines
    • 在平板加工机器中对准平面复印件的方法和装置
    • US20020096824A1
    • 2002-07-25
    • US10036166
    • 2001-11-09
    • Peter ForchAndreas Henn
    • B65H009/00
    • B41F21/12B41F21/14B65H9/12B65H9/20B65H2402/523B65H2511/234B65H2220/01
    • A method of aligning flat copies in a sheet-processing machine includes the steps of determining the actual position of a sheetlike material in relation to a coordinate system; implementing a nominal position of a cylinder that accommodates the sheetlike material to be aligned on the jacket surface of the cylinder by correctively controlling non-contacting radial/axial magnetic bearings so as to compensate for position changes of the cylinder or components thereof from the nominal position; and maintaining the cylinder in the nominal position thereof until the aligned sheet material is transferred to transport units arranged farther downline; a device for performing the method; a printing unit having the device; and a multicolor rotary printing machine having the device.
    • 在片材加工机中对准平面复印件的方法包括以下步骤:确定片状材料相对于坐标系的实际位置; 通过校正控制非接触的径向/轴向磁性轴承来实现容纳要被排列在气缸的表面上的片状材料的气缸的标称位置,以便补偿气缸或其部件与标称位置的位置变化 ; 并将气缸保持在其标称位置,直到对齐的片材转移到布置得更远的运送单元; 用于执行所述方法的装置; 具有该装置的印刷单元; 和具有该装置的多色旋转印刷机。
    • 30. 发明申请
    • Cylinder for guiding at least one yarn
    • 用于引导至少一根纱线的气缸
    • US20020130572A1
    • 2002-09-19
    • US10097364
    • 2002-03-14
    • Dirk Laukien
    • H02K007/09
    • B65H54/46B65H51/06B65H2402/523B65H2601/524B65H2701/31D02J13/005F16C32/044F16C2340/24F16F15/03H02K7/09H02K7/14
    • A cylinder for guiding yarn comprises a hollow-cylindrical jacket seated on a support by radially acting magnetic bearings having plural pole windings distributed circumferentially. The cylinder jacket position is detected by plural sensors coupled with the pole windings by a control unit. The sensors are spaced from the cylinder jacket and from the support for determining the actual position of the cylinder jacket relative to a stationary reference position. Vibrations of the cylinder jacket are damped by determining the actual position of the cylinder jacket in relation to a stationary reference position and the chronological change of the actual position as a function of the rotary frequency of the cylinder jacket. Control signals for the magnetic bearing are generated to cause the magnetic bearing to counteract the position change of the cylinderjacket.
    • 用于引导纱线的圆筒包括通过沿径向分布的多个极绕组的径向作用的磁性轴承而位于支撑件上的中空圆柱形护套。 气缸套位置由与控制单元的极绕组耦合的多个传感器检测。 传感器与气缸套和支撑件间隔开,以确定气缸套相对于静止参考位置的实际位置。 通过确定气缸套相对于静止参考位置的实际位置和作为气缸套的旋转频率的函数的实际位置的时间变化来阻尼气缸套的振动。 产生磁轴承的控制信号,使磁轴承抵消气缸盖的位置变化。