Method for feeding material sheet to a press

Details Method for feeding material sheet to a press Method for feeding material sheet to a press

1985-12-27

1987-02-10

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

With means to align sheet

271248, 83 74, 83367, 83412, B65H 714, B65H 910, B65H 920

Patent

active

046418288

ABSTRACT:
A method for feeding material sheet to a press comprises steps of transferring a material sheet on which print parts and the corresponding positioning marks are printed for a preset distance at least until the positioning mark comes into the field of view of a viewing device provided in a position related to the working position of the press, detecting misalignment between the centers of the positioning mark and a reference mark of the field of view in the X and Y axis directions by the viewing device, and positioning the print part at the press working position automatically and precisely by using the detected amount of the misalignment as a correction value for positioning.

REFERENCES:
patent: 4143571 (1979-03-01), Oxenham
patent: 4434693 (1984-03-01), Hosoi et al.

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