Patent ID: 6272990
Filing Date: 2001-08-14
Classification: B41F

Abstract:
An automatic deceleration and stoppage controller for a rotary press which uses a paper roll and in which a paper wave which has undergone continuous printing in a printing unit is cut and folded into signatures, and the thus-produced signatures are discharged from the rotary press, the controller comprising:input means for inputting a scheduled copy number indicating the number of the signatures to be printed by and discharged from the rotary press;detection means for detecting the signatures discharged from the rotary press and for outputting detection signals corresponding to the signatures;copy-number management means connected to the input means and detection means for receiving the scheduled copy number from the input means and the detection signals from the detection means, the copy-number management means storing the scheduled copy number, subtracting from the scheduled copy number the total number of the detection signals successively output from the detection means to thereby calculate a remaining copy number, and outputting a remaining-copy-number signal representing the remaining copy number;printing-speed detection means for detecting an operation speed of the rotary press and for outputting an operation-speed signal representing the operation speed during printing; andprocessing means connected to the copy-number management means and the printing-speed detection means for receiving the remaining-copy-number signal output from the copy-number management means and the operation-speed signal output from the printing-speed detection means, the processing means calculating a period of time before completion of printing, and on the basis of the period of time, outputting an automatic deceleration and stoppage command signal for automatically decelerating and stopping the rotary press.