Label printing technology inventory (six)
Combination printing: the leader of the family
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What is combination printing: Combined printing refers to the printing production of various types of printing and finishing units into a production line. The more common combinations are screen printing, flexo printing, embossing, offset printing and hot stamping units. As the combination printing method adapts to the needs of the development of the modern printing industry, it has brought huge profits to the printing manufacturers, so it has developed rapidly. According to industry insiders, with the continuous development of related technologies, combined printing will gradually develop into a mainstream way of label printing.
Main advantages:
1. Online processing of each product at the same time, the production efficiency is high;
2. It saves the number of added and discharged waste products and reduces the loss rate of printed matter;
3. The combined printing machine has a compact structure, a small machine footprint and convenient operation;
4. Less operators;
5. The total investment in equipment is small;
6. Increasing the difficulty of counterfeiting is conducive to anti-counterfeiting, while improving the quality and grade of prints.
Difficulties in combined printing processes:
1. Calculation of the amount of registration scaling between different printing methods;
2. Ink control is difficult;
3. It must be ensured that the sequence between the units of the combined printing press used is sufficiently variable;
4. Set the speed of the printing unit according to the printing requirements;
5. The quality of the operator is high.
Future trends: At present, the combination of glue, soft, concave, convex and screen printing has pushed traditional labels and trademarks to new heights; digital systems have opened up new markets for labels and trademarks. In the field of packaging, a single printing method has become increasingly incapable of adapting to market demand. In the next 5 to 10 years, the combined printing method will achieve faster development. The development of combined printing is still in its infancy, and many technical and material problems need to be improved and improved. As printing becomes more and more personalized and diversified, the application of combined printing will become more and more extensive.
Applicable fields: mainly used for cigarette labels and washing, strong anti-counterfeiting function.
The international protagonist of combination printing equipment: Heidelberg Speedmaster CD102Duo series, Drent Goebel Novaprint series;
Domestic master: Duo Weilong "Swiss L series;
End user representatives: Procter & Gamble, Colgate, Unilever, Lafang, etc.