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    • 81. 发明专利
    • PILE LIFTER
    • JPH07267387A
    • 1995-10-17
    • JP6457295
    • 1995-03-23
    • ROLAND MAN DRUCKMASCH
    • RIHIYARUTO KIYUSUTAA
    • B65H1/14B65H1/18B65H1/30
    • PURPOSE: To control the lift speed of a pile lift base automatically. CONSTITUTION: After this pile lifter is connected, a pile lift base 2 is lifted and maintained at the position until an upper level signal is transmitted. After that, the number of sheets ejected from a sheet pile 5 is counted by a counting element until a low level signal is transmitted, so that an equivalent signal is transmitted at a control unit 9 and by an electric motor 4 of the pile lift base 2, the pile lift base 2 is controlled in lift by the high difference between the prescribed upper level and lower level until the second upper level signal is transmitted. The control unit 9 determines the thickness of a sheet from the vertical difference between the upper level and lower level and the number of the counted sheets, determines the lifting speed from the thickness of sheets and the sheet cycle time. The lift speed is memorized as a controlling variable for the electric motor, thus the electric is controlled by the controlling variable at least for roughly continuous operation after the second upper level signal is transmitted.
    • 87. 发明专利
    • CONTROL METHOD OF AUTOMATED PRINTING PLATE REPLACING PROCESS IN PRINTING PRESS
    • JPH07186370A
    • 1995-07-25
    • JP27662794
    • 1994-11-10
    • ROLAND MAN DRUCKMASCH
    • BERUNTO RINTONAANIKORA PUUPIKUHERUMUUTO SHIRUTOBERUTOORUTO ZAIPUTOOMASU MERAA
    • B41F27/12B41F33/00B41F33/14
    • PURPOSE: To reduce input commands to members in a semiautomatic type and protect from troubles in a fully-automatic type by applying a sensing method only for sensing a position corresponding to the register specification of the front end of a used printing plate before the sending of guiding a new printing plate into a start engaging area and the holding of the position corresponding to the register specification of the printing plane and also before the closing of the engaging area. CONSTITUTION: A register pin 6 to be interrogated electrically is provided in an engaging area 4. The pin 6 is connected with a control apparatus 7, and the control for an operation apparatus 5 is carried out through the apparatus 7. Then the printing cylinder is revolved slowly in the reverse direction to a given angle, and a used printing plate is transferred into an automatic printing plate exchanger to the rear edge of the printing cylinder. Alternately, the used printing plate is transferred horizontally into a release apparatus for being removed. The positioning of the printing cylinder is carried out on the sheet angle position used for guiding the front edge of a printing plate to be guided into a corresponding printing start end clamping rail DA. The printing cylinder is on the set angle position by revolving in the reverse direction, and then the printing start end clamping rail is opened.