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1. The printing quality is high.
2. The printing cost is low.
3. The time for installing the platen machine is short.
Compared with the processing method of printing offset paper with an offset printing press and then aligning with corrugated cardboard, direct offset printing of corrugated cardboard has the following advantages:
1. Save on the cost of confrontation.
2. The shortest print processing time - no additional work process.
3. The amount of paper added is small.
The press is the key to the development of modern offset press technology. The discussion about direct offset printing of corrugated board will not cause such a sensation.
The direct printing of corrugated cardboard with the Roland 900 offset press makes it possible to produce VI-sized corrugated boxes, which are typical dimensions for corrugated box printing.
Roland 900 offset press can print smoothly on substrates up to 12mm in thickness. However, this does not mean that the machine is designed for printing corrugated board, because in a short time, the Roland 900 offset press can be changed to a standard configuration for printing plain paper.
Whether it is printing corrugated cardboard or printing other substrates, the machine's printing speed can reach 13,000 per hour. In the printing of 1mm thick cardboard, Roland 900 offset press with a non-stop automatic paper changer can reach speeds of up to 9,000 sheets/hour. Due to the bulkiness of cardboard, the replacement of paper piles during printing is frequent, and the automatic paper changer device reduces the downtime and paper change time without stopping the machine, increases work efficiency, and provides economic advantages.
For the economical consideration of the production of corrugated board printing, it is recommended to install the printer at 556 mm above the ground. Through the foundation above the ground, the non-stop replacement mechanism can be more efficiently used.
In the direct offset printing of corrugated board, in order to reduce the troubles such as the effect of the washboard, special patented blankets should be used. Such blankets are particularly suitable for direct offset printing on corrugated board.
Roland 900's features 1. The leveling transfer roller on the paperboard conveys paper without traces.
2. Adjustable paper guides are used to reliably feed paper to the paper feeding device and also serve as a holder for the paper suction belt table.
3. The improved platen roller and the front gauge prevent the back from picking up.
4. The side gauge is an excise to ensure that the cardboard side is precisely aligned.
5. The feed rollers with reduced diameter have guide rollers that reduce the paper's bend radius.
6. Use a patented blanket.
Can be glazing and polishing is not a luxury, because on the one hand, functional glazing is necessary; on the other hand, as a means to protect the printing ink layer, to increase the printing speed, or as a high-end packaging decoration and decoration methods, it is also necessary. The Roland 900 offset press can be equipped with one or two coating units. Its advantages are:
1. Not only can the full version be glazing, but also partial glazing can be performed.
2. The use of pearlescent polish can be used for special glazing, which acts as an anti-counterfeiting effect. Because pearlescent or pearlescent inks (such as Iriodin/Afflair effect pigments) are not easily imitated, the packaged prints have a unique appearance that is difficult to counterfeit.
Summary The successful application of direct printing of corrugated board technology by offset press has made corrugated box packaging and printing enter a new stage of development. Due to the high quality and low cost of direct offset printing on corrugated board, the printing and packaging industry is no longer ignoring this technology.
The design concept and market demand for displaying products and promoting products through storage and transportation packaging also promoted the rise of direct printing of corrugated board technology by offset presses, and also established new printing quality standards for corrugated box packaging. Of course, this does not mean that only offset printing will have the future of direct printing on corrugated cardboard. Thick cardboard boxes are still printed mainly by flexo printing. Many long-lasting cardboard boxes will still use flexo printing because of their relatively simple shapes and design patterns. Similarly, top quality corrugated cartons will also use offset offset printing paper, followed by processing.
Despite all the restrictions, offset printing direct corrugated cardboard has occupied a certain market share and will continue to grow.
Replacing Flexo Printing With the development of offset printing direct corrugated board technology, it seems to be no doubt that it has replaced flexo printing in certain areas of corrugated box printing. However, offset direct printing corrugated cardboard also needs to be supplemented with new technologies. The direct printing on corrugated board has the following advantages compared to flexo printing: