Method for adjusting contact between two rollers which are adjus

Details Method for adjusting contact between two rollers which are adjus Method for adjusting contact between two rollers which are adjus

1996-02-27

1997-04-22

Yan, Ren

Printing

Processes

Position or alignment

101216, B41F 1324

Patent

active

056221142

ABSTRACT:
A method for adjusting contact between two rollers of a printing mechanism of a rotary printing press, which rollers are adjustable relative to one another. The method includes separating the rollers so that a gap exists therebetween, inserting a piezofilm of known thickness into the gap between the rollers at one end of the rollers and moving the rollers toward one another on the one end until the piezofilm transmits an output signal when the two rollers first make contact. Then, the rollers are separated and the piezofilm is removed from the roller gap. The piezofilm is next inserted into the gap between the rollers at the other end of the rollers after which the rollers are moved toward one another at the other end until the piezofilm transmits an output signal when the rollers first make contact. The rollers are once again separated and the piezofilm removed from the roller gap. Finally, the rollers are adjusted toward one another at both ends by an amount corresponding to the piezofilm thickness.

REFERENCES:
patent: 2212820 (1940-08-01), Barber
patent: 2592569 (1952-04-01), Henderson
patent: 3272122 (1966-09-01), Behringer
patent: 3418850 (1968-12-01), Goddin
patent: 3601046 (1971-08-01), Motter
patent: 3760637 (1973-09-01), Budinger et al.
patent: 4690052 (1987-09-01), Paulsen
patent: 5201272 (1993-04-01), Simon
patent: 5275099 (1994-01-01), Kawagoe
Copy of Article "Die optimale Anstellung von Druckwalzen", Dr. Timm Gudehus, B ottcher, May 1985, Jun. 1985 & Sep. 1986, pp. 2-5.

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