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    • 5. 发明授权
    • Method and device for adjusting a contact pressure between ink-carrying
cylinders of a printing machine
    • 用于调节印刷机的承载油墨缸之间的接触压力的方法和装置
    • US5448949A
    • 1995-09-12
    • US295510
    • 1994-08-24
    • Harald Bucher
    • Harald Bucher
    • B41F31/30B41F33/00
    • B41F33/0072B41F31/301
    • A contact pressure between ink-carrying cylinders of a printing machine are automatically adjusted. At least one ink-carrying cylinder can be disengaged from the ink-receiving cylinder. A width measuring device measures a width of a contact strip transferred from the ink-carrying cylinder to the ink-receiving cylinder. The measuring device may be aimed at the ink-receiving cylinder or at a product issuing from the last printing unit. A control or regulating device compares the signals which represent the width of the contact strip and, if necessary, adjusts the contact pressure. The adjustment may be parallel, i.e. the contact pressure is increased or decreased uniformly along the cylinder axis, or is may be one-sided, if the contact strip image is non-uniform or wedge-shaped.
    • 自动调节印刷机的供墨气缸之间的接触压力。 至少一个墨水容纳筒可以从墨水容纳筒脱离。 宽度测量装置测量从承载油墨筒转移到吸墨圆筒的接触条的宽度。 测量装置可以瞄准墨接收筒或从最后一个打印单元发出的产品。 控制或调节装置比较表示接触片宽度的信号,如有必要,调节接触压力。 调整可以是平行的,即,接触压力沿着气缸轴线均匀地增加或减小,或者如果接触带图像是不均匀的或楔形的,则可以是单侧的。
    • 8. 发明授权
    • Process for controlling coloration in multicolor printing
    • 用于控制多色印刷中着色的工艺
    • US06192147B1
    • 2001-02-20
    • US09006804
    • 1998-01-14
    • Harald BucherWolfgang GeisslerBernd KistlerWerner Huber
    • Harald BucherWolfgang GeisslerBernd KistlerWerner Huber
    • G06K900
    • B41F33/0045
    • A process for controlling coloration in multicolor printing, wherein a photoelectric measuring arrangement (3) is used to obtain actual color measurement values from the printed image (4), wherein the actual color measurement values are compared with specified setpoint color measurement values, and wherein the comparison signals are supplied to a color controlling device (12), with the layer thickness of the ink to be applied to a material to be printed (1) being controllable by means of color controlling elements (12), monitoring signals are continuously derived at selected measuring locations (8), whereby the number of the measuring locations (8) is increased if the monitoring signals exceed a specified threshold value and the actual color measurement values obtained at the increased number (N2) of measuring locations (8) are processed into comparison signal. The invention can be used in multicolor printing machines.
    • 一种用于控制多色印刷中的着色的方法,其中使用光电测量装置(3)从印刷图像(4)获得实际的颜色测量值,其中将实际颜色测量值与指定的设定点色彩测量值进行比较,其中 将比较信号提供给颜色控制装置(12),使得要施加到要印刷的材料(1)的墨水的层厚度可通过颜色控制元件(12)控制,连续导出监视信号 在所选择的测量位置(8)处,如果监视信号超过规定的阈值,并且在增加的测量位置(N)的获得的实际颜色测量值(8)为 处理成比较信号。 本发明可用于多色印刷机。
    • 10. 发明授权
    • Method for regulating inking when printing with a printing press
    • 用印刷机打印时调节着墨的方法
    • US5802978A
    • 1998-09-08
    • US713799
    • 1996-09-13
    • Wolfgang GeisslerHarald BucherWerner HuberBernd Kistler
    • Wolfgang GeisslerHarald BucherWerner HuberBernd Kistler
    • B41F33/00B41F31/04B41F31/06
    • B41F33/0036
    • A method for regulating inking when printing with a printing press, which includes, by means of at least one sensor element directed towards the surface of a recording carrier at a given measurement site, deriving actual-value signals from at least one physical variable representing the inking; comparing the actual value signals with reference-value signals for the physical variable at the same measurement site; deriving, in accordance with a prescribed principle, control signals for control elements for the physical variable from the comparison-value signals obtained, and feeding the derived control signals to a control element; and placing the actual value in a range of reference values by means of the control element and holding it there automatically; further includes acting upon the control elements with defined control signals during a startup phase of the printing press; obtaining actual-value signals from a multiplicity of measurement sites in the entire printed surface of the recording carrier; determining, for each physical variable to be controlled and for each measurement site, changes in the actual-value signals with respect to the control signals to be defined; selecting measurement sites wherein the changes occur most markedly; and regulating the physical variables exclusively at the selected measurement sites, in a production-run phase of the printing press.
    • 一种用于在用印刷机进行打印时调节着墨的方法,其包括通过至少一个传感器元件,该至少一个传感器元件指向在给定测量位置处的记录载体的表面,从至少一个物理变量导出实际值信号, 着墨 将实际值信号与相同测量点处的物理变量的参考值信号进行比较; 根据规定的原理,从获得的比较值信号中导出用于物理变量的控制元件的控制信号,并将导出的控制信号馈送到控制元件; 并通过控制元件将实际值放置在参考值范围内,并将其保持在自动位置; 进一步包括在印刷机的起动阶段期间用限定的控制信号对控制元件作用; 从记录载体的整个印刷表面的多个测量位置获得实际值信号; 确定对于要被控制的每个物理变量和每个测量位置,相对于要限定的控制信号改变实际值信号; 选择其中变化最明显的测量点; 并且在印刷机的生产运行阶段中仅在所选择的测量位置调节物理变量。