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digital printing no annexation screen printing

From:aoke date:2011-2-28 times: size:[ ]

Many years ago, the emergence of digital printing, and many people believe that within 5 years will be the annexation of digital printing screen printing, but it did not, according to some digital printing has never claimed: the printing of digital printing technology in other (mainly Screen printing, screen printing another name for) the position in front of the expansion will be a breakthrough, but they forget that the following three points:
1)Since the conversion, such as print head speed or the speed of the jet drop in the mechanical and physical constraints, digital printing technology will eventually at some point or will soon reach the limit;
2)They often claim that digital printing can achieve very high printing speed, but forget the actual print resolution is only 50dpi or 72dpi. Assumptions required to achieve the quality of the printing POP, that is 300dpi or 600dpi, printing speed will have to slow down the 6 to 12 times, 600m2 / h speed becomes 100m2 / h or 50m2 / h. In screen printing, the quality of our customer requirements is 300L / inch (120L/cm), often 610dpi, we need to photo-like quality, contrast, digital printing is too slow;
3)Many digital printing process requires the use of the printing material must be pre-treatment, and in the printing is completed, but also for a special finishing process in order to print effect of mechanical and physical protection, the use of these finishing processes ink or coloring agents are very expensive, finishing techniques will increase the cost of printing products. In addition, they ignore the screen printing process can be so fast to react in the following areas
Screen printing and offset printing and other printing process, as full use of the advantages of digital technology, the pre-press process quickly realized all digital.
B) Screen printing technology to develop multi-color large format graphics printing presses and computer-to-plate system for network systems, and, overall improvement and improved screen printing technology, products, equipment and productivity. As a result, in 1996, 100 pieces of printed using digital printing living is cheaper, but by 1990, more economical digital printing down to 50 copies printed, screen printing was soon back a lot part of the lost market. Now the actual situation is not as optimistic as they predicted, screen printing in Europe and other parts of the world have reached relative stability. For many screen printing industry for their digital printing has become necessary to supplement the business. Digital printing screen printing has been accepted by the industry, its existence is no longer seen as a threat, but a meaningful opportunity, that is why do we screen printing business into the digital printing field must be the reason. Now let's talk about the digital printing market. For the digital printing market, my point is that some medium-sized enterprises or screen printing plate manufacturers, they are about 20 to 40 employees, with some semi-automatic and fully automatic screen printing production lines for their choice of digital printing technology should be a piezoelectric inkjet printing, thermal inkjet printers instead. Thermal inkjet is too restrictive, it can only in some traditional printing materials printing. However, 50% of the piezoelectric inkjet printers using solvent inks, with environmental pollution problem
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