(57) Abstract Constitution As for the stationary knife 2 which is installed in cutter frame 1 descriptionIt has the length above the paper width of the record paper. As for operational forma round tooth 3 for Drive DThrough wire 5, with the normal rotation reversal of C motor 4 the paper widthWhile going and returning moving direction touching to stationary knife 2, to turn, the chartIt disconnects. The foam/home position which is on the both ends of stationary knife 2 (HP) position detection sensor 6 and ended position (EP) positionTo detect the position of operational forma round tooth 3 with detection sensor 7, thisControlling the signal and others with the information of the detection sensor, DC mo for DriveIt changes the voltage which is impressed in ta 4. Yes after the chart disconnectingWhen returning to foam/home position of dynamic forma round tooth 3, voltageMaking low, it decreases the torque of the motor, makes also travel speed slowru. Advantages In motor torque decrease and speed decrease at time of round tooth returnThe metal of the high frequency which is generated by the contact with the ri and the stationary knifeSound can be made small.
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