The performance of new offset printing presses 1

1. Easy operation and easy adjustment 1. Non-shaft drive technology Application of shaftless drive technology to realize synchronous control of printing unit and paper feeder, and to accomplish 4 high-precision servo motor control for the paper feeder, separately controlling separation paper suction of the separation head The movements of the nozzle and the paper-feeding nozzle, the paper feeding belt and the front paper stopper, and the lifting of the main and auxiliary paper feed stations greatly improve the accuracy and stability of the system movement, and effectively reduce the auxiliary time and energy consumption. Shaftless drive technology Paper feeders can be separated from thin paper to thick cardboard, as well as corrugated board, plastic sheet and other substrates without replacing any parts. The paper feeders for high-end sheetfed offset presses such as Manroland, Heidelberg and KBA have adopted shaftless transmission technology.
2. No side-segment technology Applied to the KBA Rapida 105 without side-spot technology is to place the side of the regulation position on the paper delivery link, to gain time for the former specified position, to ensure that the paper has enough positioning time and positioning accuracy, is a single A unique positioning system in sheet offset presses. The non-side positioning system means that before the paper reaches the front gauge, the position of the paper is monitored through photoelectric sensors installed on both sides of the paper transporting platform, and the information is fed back to the central controller and then sent to the control of the transfer cylinder. The tooth row servo motor completes the lateral positioning of the tooth row. Because there is no sideline, the operator does not need to make any sideline adjustments, which can effectively reduce the 25% of the machine preparation time.
3. The paper corresponding adjustment device inputs the paper thickness and other data to the console before printing, and can automatically complete the paper table height increase, paper table automatic centering, and the electric adjustment nozzle position precise and rapid adjustment. After the size of the paper is set, the system can automatically adjust the paper alignment, roller pressure, rules, ink supply, paper delivery, and dusting. Paper dynamic calibration refers to the fact that the paper is skewed during the paper feeding process and is automatically adjusted during the movement to ensure that the paper is positioned accurately when it reaches the parts.
4. Non-stop feeding, high-speed offset paper delivery In order to reduce the time required to replace the paper stack and improve the efficiency of the machine, there is a non-stop feeding and delivery device. KBA's recently introduced automatic, non-stop paper feeding has further increased production efficiency.
5. Follow-up pressure regulating mechanism In the printing pressure adjusting link, when adjusting the printing pressure between the blanket cylinder and the impression cylinder, the pressure regulating mechanism between the blanket cylinder and the printing cylinder moves along with it, and the adjustment is convenient and efficient.
When the diagonal adjustment of the printing plate is achieved through the axial deflection of the plate cylinder, the parallelism deviation between the blanket cylinder and the printing roller and the water roller can be achieved by using the follow-up pressure regulating mechanism. The axes of the ink roller and the water roller change with the change of the axis of the plate cylinder to ensure that the pressure between the plate cylinder and the plate roller and the water roller is constant.
6. Console Operation The fully-integrated color control panel has a high degree of human-machine dialogue, allowing easy preset, adjustment and recording of parameters. The operator can perform man-machine conversation just by clicking on the touch screen.
Second, institutional stability structure optimization
1. Conjugate cam mechanism The conjugate cam mechanism is a closed cam mechanism that does not require a return spring to keep the follower and the cam in constant contact. Theoretically, it is impossible to have resonance. The speed of the closed cam is more than that of the closed cam. It is high, but it is more complicated and expensive to manufacture than to close the cam mechanism. Nowadays, some printing machine equipments are driven by conjugate cam mechanisms, such as the printing press hem type feeding mechanism, the hem type front gauge, and the paper feeding nozzle mechanism, so as to increase the paper stabilization time and improve the paper positioning accuracy and overlay accuracy. Institutional movement is stable.
2. Shock Absorption and Noise Reduction Mechanism In the printing process, many devices and mechanisms are used to ensure smooth operation and reduce vibration and noise. For example, the buffer device of the clutch pressure process and the rubber roller damping mechanism can reduce the vibration and enable the printing press to operate. smooth. (To be continued)