CONTROL CIRCUIT FOR LARGE-CAPACITY PAPER FEEDER

CONTROL CIRCUIT FOR LARGE-CAPACITY PAPER FEEDER

PURPOSE:To hold the elevation speed of a feeder board constant, regardless of the amount of printing papers stored in the feeder board, cancel the actuation of a motor lock protection circuit to provide low-speed smooth elevation for the feeder board and avoid damage to a feeder due to failure. CONS...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: AKIYAMA KAZUHIKO, NISHIMOTO YUKIHIKO, OHASHI HIDEYO, YOSHIDA MASARU
Format: Patent
Sprache:eng
Schlagworte:
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Beschreibung
Zusammenfassung:PURPOSE:To hold the elevation speed of a feeder board constant, regardless of the amount of printing papers stored in the feeder board, cancel the actuation of a motor lock protection circuit to provide low-speed smooth elevation for the feeder board and avoid damage to a feeder due to failure. CONSTITUTION:A large-capacity feeder comprises a CPU 2 to control the actuation of a motor lock protection circuit 5, a drive motor 3 to serve the elevation of a feeder board and an encoder 4 to develop digital codes containing a transfer speed in proportion to the rotating speed of the drive motor 3. Also provided are the motor lock protection circuit 5 to stop the actuation of the drive motor 3, a HAND gate 6, an AND gate 7 and a motor driver 8 to control the rotating speed of the drive motor 3.