Intaglio printing machine with wiping roll adjusting device

Details Intaglio printing machine with wiping roll adjusting device Intaglio printing machine with wiping roll adjusting device

1992-07-24

1993-10-26

Burr, Edgar S.

Printing

Intaglio

Rotary

101157, 101425, B41F 910

Patent

active

052556018

ABSTRACT:
The wiping cylinder (10) is mounted in eccentric bushes (12) and can be coarsely adjusted by hydraulic cylinders (15), by which the eccentric bushes can be rotated, between its operating position resting on the plate cylinder (3) and a position of rest removed from the latter. Additionally, a fine adjustment is provided, by which the change in spacing between the axles of the plate cylinder and the wiping cylinder as a result of deflection of the plate cylinder (3) occurring during the engagement of the impression cylinder (2) can be compensated. For this purpose, the hydraulic cylinders (15) are each attached to a worm wheel (17) which can be rotated by a worm spindle (18). Serving for the fine adjustment of the worm spindle (18) is a stepping motor (19) which is adjusted simultaneously with the engagement and disengagement of the impression cylinder (2) in each case by a preselectable amount in either direction.

REFERENCES:
patent: 2659305 (1953-11-01), Giori
patent: 2987993 (1961-06-01), Giori
patent: 3389656 (1968-06-01), Giori
patent: 3468248 (1969-09-01), Giori
patent: 3630146 (1971-12-01), Shields
patent: 3738265 (1973-06-01), Saueressig
patent: 3762319 (1973-10-01), Gazzola et al.
patent: 4499825 (1985-02-01), Uno
patent: 4789432 (1988-12-01), Goodnow et al.
patent: 4899654 (1990-02-01), Hoshi
patent: 5152220 (1992-10-01), Lindner et al.

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