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    • 6. 发明授权
    • Method and apparatus for smear-free guidance of a printed sheet on a
sheet-guiding cylinder of a printing press
    • 在印刷机的片材引导圆筒上印刷片无污染地引导的方法和装置
    • US5979318A
    • 1999-11-09
    • US50658
    • 1998-03-30
    • Karl-Heinz Helmstadter
    • Karl-Heinz Helmstadter
    • B41F21/05B41F21/10B41F22/00B65H5/12B41F13/24
    • B41F22/00B41F21/106
    • A method for smear-free guidance of a printed sheet on a given sheet-guiding cylinder of a printing press includes taking over a leading edge of the sheet by a gripper device of the given sheet-guiding cylinder from a preceding or up-line sheet-guiding cylinder and, after the take-over of the leading edge of the sheet by the gripper device, fixing a first section of the underside of the sheet to the circumferential surface of the preceding or up-line sheet-guiding cylinder in a manner that the sheet, which has been pushed onwardly by the preceding or up-line sheet-guiding cylinder, is kept spaced from the circumferential surface of the given sheet-guiding cylinder, and the circumferential surface of the given sheet-guiding cylinder is located, as viewed in radial direction, within a circular path described by the gripper device during the rotation of the given cylinder.
    • 在印刷机的给定片材引导圆筒上无印迹引导的方法包括通过来自前一或上一行片材的给定片材引导圆筒的夹持装置来接收片材的前缘 并且在通过夹持装置接收片材的前缘之后,以这种方式将片材的下侧的第一部分固定到前一个或上一页片导向圆筒的圆周表面 由前面的或上一张的导片滚筒向上推动的片材与给定的片材引导筒的圆周表面保持间隔,并且给定的片材引导筒的圆周表面位于, 在径向方向上,在给定气缸旋转期间由夹持装置描述的圆形路径内。
    • 7. 发明申请
    • Method for the cyclic conveyance of sheets through a printing machine
    • 通过印刷机循环输送片材的方法
    • US20070006754A1
    • 2007-01-11
    • US11314644
    • 2005-12-21
    • Thorsten EckartMichael FunerPeter HachmannKarl-Heinz HelmstadterAndreas Detloff
    • Thorsten EckartMichael FunerPeter HachmannKarl-Heinz HelmstadterAndreas Detloff
    • B41F13/24
    • B41F21/102
    • A method for cyclically conveying sheets through a printing-technological machine adjusts a sheet position with high accuracy. The sheets following one another are in each case held at the front edge in grippers of a gripper system during the conveyance, and wherein the sheet position is adjusted in that a pneumatic apparatus is actuated by a control device which processes signals from at least one fixed-location sensor for the sheet position, as at least one sheet runs past, a large number of measured position values of the sheet are determined successively by using at least one sensor, from the measured position values a characteristic value for the sheet position being determined in the control device, the characteristic value as actual value being compared with a setpoint, and the pneumatic apparatus being set for a following sheet as a function of the comparison in each case between the actual and intended value of the preceding sheet.
    • 通过印刷技术机器循环输送片材的方法以高精度调节片材位置。 在输送过程中,彼此相接的片材分别保持在夹持器系统的夹持器的前边缘处,并且其中片材位置被调整为气动装置由控制装置致动,控制装置处理来自至少一个固定 用于片材位置的位置传感器,至少一张片材经过,通过使用至少一个传感器连续地确定片材的大量测量位置值,从测量的位置值确定片材位置的特征值被确定 在控制装置中,将作为实际值的特征值与设定值进行比较,并且将气动装置设置为随后的纸张,作为在每种情况下在前一张纸的实际值和预期值之间的比较的函数。