maximum printing speed of
|High-speed printing capability has become a must in the modern marketplace. The new edition of our popular Jp4p440 model (40-inch sheet 4-over-4 perfector) now achieves 15,000 sph (versus 13,000 sph with the previous model), while the new version of the Jp5p540 (40-inch sheet 5-over-5 perfector) runs at 14,000 sph (versus 13,000 sph with the previous model). The rigidity of each respective mechanism has been improved as well, allowing these units to withstand higher revolutions and thereby ensure stable printing operation at higher speeds. These printing presses will be sure to satisfy customers who seek better revenue through increased printing speed.|
Feeder and delivery
mechanisms provide stable
feeding and delivery
developed a new sucker head for the control of feeding papers. The
sucker head currently used in our straight press, eXtreme--which
boasts an operating speed of 16,000 sph--has been improved. This,
along with the greater rigidity mentioned above, enables stable
sheet-feeding at the highest Jprint operating rates.
The feeder table employs an air suction tape that creates a vacuum to pick up and align the paper at high speed and transfer it to the swing.
The swing gripper base--which is now made of a new, improved material--also incorporates a number of improvements, notably a better layout and increased durability. In addition, a newly developed mechanism has been installed to prevent overrun.
The delivery section has two additional transfer cylinders to significantly suppress paper movement. Another addition is a paper-guiding endless tape that operates at the same peripheral
speed as the rod. It transfers the printed sheet from the final transfer cylinder to the delivery belt in a parallel motion, so that the worry of rubbing and scratching the product is eliminated.
The control mechanism of paper-release cams has also been changed to one that is based on special algorithms for the selection of paper thickness, so that the cams’ movements more closely follow the printing speed. Accordingly, various types of papers can be supported. There is virtually no need to adjust the speed of the delivery fan or the slowdown-suction wheel for each job, which further simplifies the operator’s work and helps achieve a better overall result.
Additionally, the gripper shaft uses Akiyama’s original double-cam mechanism to ensure that the sheets are transferred smoothly at high operating speeds and fan-out is prevented.
The slowdown suction wheel structure is new, as well. It can now be installed and/or removed together with the auxiliary suction piece, and the lateral movement has been made easier too.
|Ensuring high quality|
|The MEGA Jprint takes the Jprint’s high printing quality to an even higher level. For example, the cylinder machining method was revised to improve registration accuracy, while the oscillating amount of form rollers has been changed in order to eliminate ghosting. Furthermore, the ink air-blow device has been modified to prevent the excessive emulsification of ink. These functional improvements further ensure the high printing quality for which the Jprint brand is renowned.|
|New operation stand (ACC)|
|First, the new ACC operation stand supports higher control speeds of the ink-key motors within the press, so that the values entered at the stand are enacted by the ink keys in half the time required on the traditional stand, or even less than that. This makes it easier to design a CMS, and spoilage (waste paper) can be reduced as well. The benefit is that printing jobs can go full-scale more quickly and press time can be used more effectively.|
while the traditional ACC operation stand was mostly operated with a
keyboard (with mouse), the new operation stand employs a touch
panel. This is significant news for the operator, who can now easily
perform various operations simply by touching the screen.
The enhanced troubleshooting and maintenance reminder functions contribute to the efficient operation of the press. Because the customer will perform regular preventive maintenance based on alerts from the ACC, sudden stops and other problems in the press can be prevented and the operator can manage the system with less effort.
It is compatible to the CIP 4, and our original production system is also equipped as standard. The pre-press data, ink-key data and various other input can be controlled for each job. When a repeat order is received, simply call up the past order to restore all settings automatically.
savings in energy and labor
The Jprint series has always
featured a wide range of labor-saving devices, automation devices
and energy-saving devices.
an inker clutch as an optional
component in each printing unit . The inking drive of a printing
unit not currently being used for printing can be separated from the
main power line through a simple operation on the touch panel at the
delivery section, thus limiting the unnecessary consumption of
power. Roller wear is also prevented, because they are not used when
the corresponding printing units are idle.