New technology - AKIYAMA BESTECH
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Akiyama's latest presses can adjust the plate in two different ways to calibrate the plate skew. One is the more popular technique to adjust the plate by changing the parallelism between the plate cylinder and the blanket cylinder. One is to calibrate skewed plates directly by adjusting the parallelism of the plate holder. The first advantage is that it can directly adjust the printing plate without stopping the machine, but the disadvantage is that the change of the parallelism of the drum will directly lead to the change of the printing pressure and other related mechanisms, so the adjustment range is small, generally only ±0.2 The range of mm; another adjustment through the parallelism of the plate, mimics the manual operation, without the above mentioned problems, so the adjustment range can reach ±0.5mm, but because the adjustment process needs to loosen and tight the plate The process cannot be adjusted during the printing process. Therefore, for different situations, the operator can choose a more appropriate operation mode, that is, the selective use between two different adjustment channels complements the advantages and disadvantages of the two.
Roller opening and closing technology using conjugate cam
Two modifications have been made to the traditional printing press structure, one of which is the nipper-cranking and opening technique. Those who have learned the mechanics know that the mechanism using the conjugate cam can minimize the swing of the swinging mechanism by the cam mechanism. The impact of this mechanism is also to minimize the collision of the tooth pad during the closing process of the teeth. As the stability of the mechanism is improved, the instability factor during the handover between the teeth is also reduced, and the conjugate cam band is also reduced. The benefits also include the synchronization of the drum jaws.
New electronic dusting technology with protective airflow
The traditional dusting technique uses the airflow to directly spray the powder onto the surface of the printed matter. However, because the printed matter generates unstable airflow during the movement, there are even random airflows from the equipment itself such as fans and suctions. In the process of dusting the printed matter, only a small amount of powder actually adheres to the surface of the printed product, and more powder is dispersed to the outside of the delivery portion of the printing machine or elsewhere. The new dusting technology with protective airflow has greatly improved this situation, and more powder is protected by a protective airflow, which increases the chance of adhesion to the paper surface. The dusting process using this technology will save 50% of the powder spray than the conventional technology.
Ion fan type anti-static device
The traditional static eliminator is ideal if the paper is guaranteed to be relatively flat, but the high-speed printing machine is difficult to ensure that the paper is too flat, especially in the delivery part, so the static elimination effect will be unsatisfactory. The unique ion fan anti-static technology is adopted, which is very good to solve the problem of solving the paper flat service, so that the paper static problem can be solved well.
Flexible roller shaft
When the paper is bent, the roller shaft is bent by a slight curvature, and the middle paper is small, and the paper is large at both ends. When the lower group of rollers is handed over, the curved shaft is straightened, so that the paper is smashed. Stretched, it is said that this mechanism design can have a relatively large control over the dimensional stability of the paper printing process, which can well avoid the occurrence of the tailing situation.
Automatic compensation of ink path curve
When it is theoretically required that an ink area requiring a large amount of ink is adjacent to an ink area which is theoretically required to have a small amount of ink, we find that the rolling shear of the ink path and the viscosity and fluidity of the ink are common. Under the action, it is actually impossible to achieve. The actual ink path curve we get is smaller than the high area we need, and the low area is bigger. Through Komori's automatic compensation, we can make a pre-compensation for the flow of this ink zone, that is, the lower zone is lower and the upper zone is higher. In actual production, we can get a more ideal ink path curve.
Ink drive clutch
What should we do when a color group is stopped because it is not needed? The traditional way is to wash the ink roller, and then use the varnish to keep the wet state between the ink rollers during the booting process, to avoid the phenomenon of dry grinding and overheating, so that not only the labor intensity of the workers is improved, but also Unnecessary power and unnecessary roller wear.
Unique in-phase plate changing system
The traditional plate changing process can only change the plate plates one by one because the different plates of the multicolor machine have different relative angular positions on the machine. When Akiyama adopts its own unique phase-in-phase technology, the plate-changing work can be carried out at the same time. Whether it is four-color or six-color, the whole process will only be the time to replace a plate. This is a very valuable attempt for the printing speed to increase the space, and more emphasis on the shortening of the working time.
In order to avoid ink printing onto the surface of the impression cylinder during offsetting, the two presses are used. This is known to everyone who prints, but the two presses used in the new machine are Differently, the technology of using the first BI and the PB is to avoid the bar phenomenon caused by the mechanical vibration caused by the BP after the BP, and it is very important to explore the reduction of the scrap rate, but what is the effect? We will continue to pay attention.