Importance

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Abstract

An automatic deceleration and stoppage controller for a rotary press includes an input unit, a detection unit, a copy-number management unit, a printing-speed detection unit, and a processing unit. The input unit inputs a scheduled copy number indicating the number of signatures to be printed by and discharged from the rotary press. The detection unit detects the signatures discharged from the rotary press and outputs detection signals corresponding to the signatures. The copy-number management stores the scheduled copy number, subtracts from the scheduled copy number the total number of the detection signals successively output from the detection unit to thereby calculate a remaining copy number, and outputs a remaining-copy-number signal representing the remaining copy number. The printing-speed detection unit detects the operation speed of the rotary press and outputs an operation-speed signal representing the operation speed during printing. The processing unit calculates a period of time before completion of printing, and on the basis of the period of time, outputs an automatic deceleration and stoppage command signal for automatically decelerating and stopping the rotary press.

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First Claim