| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a printing machine controller that can carry out a safe and sure work of changing a plate cylinder phase and maintain a device durability.SOLUTION: A power transmission part of a plate cylinder 1 in a printing machine power transmission mechanism k comprises a plate cylinder shaft 1c, and a power transmission part of the other cylinder comprises a plate cylinder gear 51 that transmits power to the plate cylinder shaft 1c. Contact and separate means has a clutch 53 to make drive transmission from the plate cylinder gear 51 to the plate cylinder shaft 1c turn on and off. Either of the clutch 53 and the plate cylinder gear 51 is provided with an engagement part 53a, and the other is provided with a printing engagement object part 51a engageable with the engagement part 53a and an in-phase engagement object part 51b. Both are so constituted as to be engaged by rotation of the plate cylinder gear 51 with respect to the clutch 53. A controller 80 controls the plate cylinder gear 51 to decrease its rotation speed in the case where an error occurs during changing a phase.</p> |
