Advancing material of indeterminate length – With material-responsive control means – To position material laterally
Patent
1990-08-27
1992-06-09
Stodola, Daniel P.
Advancing material of indeterminate length
With material-responsive control means
To position material laterally
226 18, B65H 23038
Patent
active
051199815
ABSTRACT:
A microprocessor-controlled web guidance system which automatically implements and maintains a proper lateral web alignment of a continuous web in a web printing press. A steering mechanism is provided which is controlled by a microprocessor system which utilizes infrared radiation for edge detection wherein multiple sensors are driven by means of stepper motors driving on a flexible linear cogged belt system. The system includes novel functions, and diagnostic and maintenance modes which may be programmed by the operator. A plurality of control panels are provided to enable the operator to select and program desired functions and to access desired modes. Self calibration and testing of the steering mechanism and the edge sensors is also provided.
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Gnuechtel Herman C.
Kosmen Stephen P.
Bowen P.
Stodola Daniel P.
Web Printing Controls Co. Inc.,
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