KBA Rapida 105 Folio Multicolor Offset Press has the following properties:
1. True green design
KBA Rapida 105 printing press advanced design and low alcohol or non-alcohol technology, making Rapida 105 a true green printing press. During the DRUPA2000 World Printing Expo, the German Health and Safety Commission and the European authoritative environmental protection agency officially tested Rapida 105 as "ECOPRESS2000" after testing various emissions of Rapida 105, and issued a certificate, becoming the first Taiwan's sheet-fed offset press that received an environmental certificate. Its launch caused a great sensation in the industry and received widespread attention. This marks that the KBA Rapida series of printing machines have once again been at the forefront of the world.
2. Paper feeder
The performance of the paper feeding device directly affects the speed of the printing press and the positioning accuracy of the paper. Therefore, a high-end printing machine should have a high-end paper feeding device.
The Rapida 105 Folio multi-color printing machine uses the remote-controlled high-speed, high-efficiency paper feeder developed by KBA, and is equipped with a static elimination device, which can accurately separate from thin paper to thick cardboard and plastic film. All the printing materials, and it is convenient and simple to change the printing materials without replacing any parts.
The Rapida 105's paper table is currently the highest size in the same specification, its height is 1.3 meters, and it can be raised to 1.7 ~ 1.9 (meters), so that even thick cardboard printing is not As for frequent paper changes.
The height of the Feeder head of the Rapida 105 is directly adjusted by the motor, and the skew adjustment can be performed on the feeder head, so that the operator can make precise adjustments through the center console to ensure the smooth separation of paper during high-speed printing.
Rapida 105 uses a new type of paper deceleration device to make the paper feed smoother, more accurate positioning, more conducive to the separation, handover, positioning of the paper during high-speed operation, and variable speed paper feed is a sign of high-end printing presses.
Rapida 105's paperboard table is more distinctive, using vacuum suction belt paperboard table with paper pressing rod. In this way, it can not only adapt to good quality paper, but also ensure that some poor quality paper is unobstructed during printing. At the same time, the surface of the cardboard table is textured, which can also eliminate static electricity.
Rapida 105 is equipped with a central size pre-adjustment system and a paper stacking automatic centering device. As long as the paper size is input at the console, each separation mechanism of the feeder on the paper conveyor, the paper sorting mechanism on the paper board table, and the side pull gauge And the paper-aligning mechanism at the receiving part is automatically trimmed, which greatly shortens the printing preparation time and improves productivity.
3. Paper feed device
The paper transfer mechanism adopts the hem-type paper transfer tooth widely used in high-end printing machines, which fully ensures that each paper has sufficient positioning time, improves the accuracy of overprinting, and at the same time ensures the low curvature of the paper. It is also suitable for printing (including materials with high rigidity) Including) all kinds of printing materials.
Pneumatic side pull gauge and central console control are used, and there is no need to replace any parts when replacing printing materials.
The use of advanced ultrasonic double-sheet controller makes the detection more accurate and expands the detection range, so as to meet the needs of various printing industries.
4. Transmission device
Rapida 105 is driven by a continuously variable DC motor, and then the high-precision helical gear set transmits the entire power from the first printing unit as the incoming point. This gear set absolutely guarantees the smoothness and synchronization of the transmission. , And make the machine run quite smoothly during high-speed printing, improve the accuracy of overprinting, and avoid the occurrence of gear levers.
And the entire lubrication system uses a fully automatic central lubrication system.
5. Printing device
The printing device is the main functional part of the printing machine that directly completes the graphic transfer printing process, and is the heart of the printing machine. The printing device is composed of a printing plate cylinder, a rubber cylinder, an impression cylinder and corresponding transmission parts at the cylinder end, a paper transfer device, a clutch pressure mechanism, etc. Therefore, the selection and use of advanced and reasonable structure, the accuracy and quality of the manufacturing and assembly of key components are to ensure that the printing device is in excellent working condition. The key to printing high-quality prints.
The lower fuselage of each unit of Rapida 105, including beams and side wall panels, are integrally cast, and the upper part of the inking and wetting device and the lower part are arranged in a brick-like arrangement, which makes the entire printing machine run at high speed It has good resistance to twisting and stability, which means that Rapida 105 has avoided the appearance of ghosting from the design, thus improving the printing quality. This design is unique to KBA Rapida printing presses, and its superiority is unmatched by any other model.
In the design of printing presses, the arrangement of the cylinder is particularly important. It is not only related to the shape and operation performance of the machine, but also to the overall layout of the machine. At the same time, the structural arrangement of the printing cylinder is also one of the signs that reflect the main characteristics of a printing machine. Rapida 105 adopts the "seven o'clock" cylinder arrangement and the proven design of double-diameter impression cylinder and paper conveyer. It represents the development trend of contemporary offset printing press, and its advantages are as follows:
â‘ Shorten the transmission path of the whole machine, reduce the transmission error, improve the transmission accuracy of the whole machine, at the same time make the machine layout compact and reasonable, reduce the number of handovers in the paper transfer process, reduce the error of the position change during the paper transfer process, and thus improve the accuracy of overprint .
â‘¡ Fully ensure that even when printing the largest paper, the transfer can be carried out after the printing is finished during the bite of the impression cylinder, to eliminate the impact of the paper transfer process and the motion error between the two cylinders on the printing quality, and avoid the "tailing" phenomenon And effectively avoid the impact of water and ink absorption and premature paper feed on the quality of overprint.
â‘¢The radius of the cylinder is large, the curvature is small, and the surface of the cylinder is smooth, which can reduce the deformation of the dot and improve the printing quality.
â‘£Make the machine more adaptable, not only for thin paper printing, but also for thick cardboard printing. At the same time, it is also conducive to the smooth progress of the paper collection work and the completion of the subsequent processing.
The shaft end bearing of the Rapida 105 printing machine is a high-precision multi-row gapless bearing, so that the machine can not only print on the shoulder, but also can not print on the shoulder. This is only available in high-end printing presses.
The bite row on the Rapida 105 roller uses a unique "cat paw" system, which consists of a rough tooth tongue and a composite tooth pad that includes a grooved metal surface and polystyrene coating, so that the bite row has High gripping force and no need to adjust the bite row when changing the printing materials, saving adjustment time and improving productivity.
Rapida 105 adopts advanced air cushion type non-contact and non-smudge paper guide system, which effectively solves the possibility of back smearing and paper surface scratches during the paper transfer process, improving printing quality and reducing The scrap rate.
The standard configuration of Rapida 105 is equipped with an automatic plate-changing device without any tools, and a full-automatic plate-changing device can be equipped as needed. With this device, the printing plate can be quickly changed, which saves time and improves the accuracy of overprint .
6. Ink transfer device
The quality of printing is directly related to the design quality, manufacturing accuracy and use adjustment of the ink transfer device. That is, it is related to the length of the ink path and the direction, inking rate, and ink distribution coefficient.
The Rapida 105 ink transfer device has an advanced ink color (ink transfer volume) automatic tracking system and an arbitrary phase adjustment device of the ink cross roller, which can automatically adjust the ink transfer speed of the randomizer; the arbitrary adjustment of the phase of the ink cross roller can meet special requirements. Printing needs.
Rapida 105 uses a fast-response open, single-ink-path ink transfer system. The ink rollers are arranged in a “Z†shape. It is currently one of the smallest number of ink rollers and the best ink leveling effect among various ink roller arrangements. The ink can reach the printing plate quickly and evenly, at the same time, it can effectively and timely dissipate the heat, which greatly reduces the startup waste rate, and is in line with the international development trend of fewer rubber rollers and short ink paths. Moreover, the four plate-retaining rollers can be controlled from the console according to need or not, which eliminates ghosts well.
Rapida 105 can separate the power of the entire inking unit separately, simplifying the operation and greatly extending the life of the entire inking unit.
Rapida 105's inking unit is automatically separated when it is shut down, thus solving the problem that the printing machine has been unsolved for many years due to the serious color shift when printing again due to shutdown.
The ink fountain of Rapida 105 is a Coke Qi ink fountain. It is equipped with 34 30mm wide carbide blades with a large diameter and is not easy to deform. The surface of the ink roller is coated with a ceramic layer, and the speed of the ink fountain roller is automatically compensated. Special requirements can ensure the repeatability of the ink fountain roller with high precision.
The ink circuit of Rapida 105 is fully prepared for the thermostatic device of the inking device, which solves the defect that the temperature fluctuations on the ink during high-speed printing cannot be compensated for, and can be used for future waterless printing and UV printing.
7. Wetting device
The difference between offset printing presses and other printing presses is the direct participation of water in the printing process. How to control the water supply to the minimum level on the premise of achieving the best printing quality, and to achieve the balance between water and ink is the key to offset printing technology It is also the core of the design of the wetting device, so the success of the design of the wetting device will directly determine the level of printing quality.
Rapida 105 adopts VARIDAMP continuous alcohol wetting device, and has pre-wetting and post-wetting functions, and the speed is automatically compensated, so the water supply is stable, and the ink can quickly reach the balance, suitable for high speed, high Quality printing reduces the boot scrap rate.
8. Paper delivery device
KBA Rapida 105 paper collection table has a height of 1300mm, and can be increased to 1700mm or 1900mm according to needs. The paper collection chain is closed and maintenance-free. It can be used for UV printing. The speed is automatically compensated and can be adjusted remotely.
9. Online job
KBA Rapida 105 multi-color printing machine, in order to meet the needs of modern and future printing, this point was fully considered in the design, it can realize online coding, punching holes, online polishing and drying, etc., which makes The potential of KBA Rapida 105 is fully realized.
10. Automation control
If the printing unit is the heart of the printing press, then the control part is a well-deserved nervous system. The degree of automation is the need for social development, and its level directly reflects the level of the printing press.
Rapida 105 is equipped with KBAOPERA open ergonomic automation system, which can implement several levels of automation on the basis of completely digital data exchange until the entire printing plant is networked to optimize the use of printing machines and Business management. It consists of ERGOTRONIC, COLORTRONIC, KBADESITRONIC, KBALOGOTRONIC, KBALOGOTRONICS, KBAQULITRONI and so on. Through this system, the inking device, water supply device, overprinting device, color control, automatic cleaning, serial adjustment, printing quality control, etc. of the entire printing machine can be directly controlled, and the working status of the entire machine can be monitored and controlled. The fault is displayed. This greatly facilitates the operation control of the operator and the elimination of machine failures. At the same time, it can also be connected to other printing machines, administrative departments, and various PPS systems to truly realize the digitalization, networking, and automation of printing.
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