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1. Flexo and digital Printed wrestling
Digital printing has become a major attraction at Labelexpo Americas 2010 due to its flexibility, maneuverability and speed, and the design of the short paper path has revolutionized the flexo label industry, also in many flexo printing equipment at the show. As shown, who is changing the flexo printing of short paper paths compared to digital printing? Whose loss is lower?
At present, digital printing is paying more and more attention in the label industry. With the help of the computer platform, the unique characteristics of digital printing are unmatched by other printing processes, but the comprehensive cost has become the soft underbelly of digital printing. The high price of digital printing consumables has made many label printing companies face the situation of “available but not affordable†digital printing equipment . In the entire label market, short-run jobs and long-run jobs each account for 50%, and short-staple jobs below 4,000 meters are definitely in the field of digital printing, and the challenge of digital printing in long-run jobs will be cost.
In addition, digital printing FM points will be a double-edged sword of cost and quality. Digital printing uses FM outlets, but traditional printing basically uses AM outlets. There is such a situation. When we are marketing, because it is a short version of the job, it often uses digital printing, which is fast and low-cost, and the sense of FM outlets is very good. However, as the market expands, the demand for labels increases. If digital printing continues, the cost problem will be highlighted. At this time, flexo or embossing is required to print, but flexo and embossing often use traditional circular dots. That is to say, the amplitude modulation dot, there will be problems in the printing quality. Let's not say which of the FM outlets and the AM outlets are printed more beautifully, at least on the same product label, which is unacceptable in the market.
However, if it is required to use AM sites to achieve the printing quality of FM sites, it is very difficult from the process and quality control. Therefore, I hope that when you promote digital printing, when the product enters the market, it is necessary to consider the feasibility of the connection between the traditional printing AM site and the digital printing FM site when the output increases, that is, the first one that can best be in the market. The sample is digitally printed to simulate the amplitude modulation dot, which will be used for future connections. Unless the cost of digital printing supplies drops dramatically, this seems unlikely at the moment.
2. Flexo faces the challenge of other traditional printing methods
The flexo process faces multiple challenges in other printing processes: the challenges of offset printing processes that highlight high-gloss small dots, the embossing process challenges of low-cost, and the gravure process challenges of long-running jobs. Despite these challenges, flexo is still invincible, mainly because: 1 label flexo printing plates have basically adopted 150 to 175 lines / inch of screen lines, is close to gravure The level of offset printing; 2 label flexo logo spot color and logo color color difference control, is unmatched by other printing methods; 3 rounds of flexo printing combined with a variety of processes, in order to improve the label decoration, increase the function of the label Sex has built a favorable platform; 4 capacity and cost of flexo printing process.
Currently, label printing companies are still most concerned about quality and cost. The high quality and high level of registration and high-quality dots are still the advantages of sheetfed offset printing. The label industry is the only high-margin industry in the packaging industry, so sheetfed offset printing also hopes to gain a share in this industry. The control of chromatic aberration by flexographic anilox rolls is unmatched by other printing processes. The advantages of embossing are the short paper path and low cost. In short, in the highly competitive label industry, the profit margin of products comes from the comprehensive consideration of quality and cost.
3. Comparison of flexo and offset printing and embossing
Traditional label printing techniques have their own characteristics. The following compares the gains and losses of flexo, offset and embossing.
(1) The gains and losses of the flexographic process in the assessment
The stability of 1Lo go and the color of the logo is non-flexible; 2 the number of screen lines and the level of expression are lower than offset; 3 dot expansion is less than embossing, product quality is better than embossing; 4 in the middle adjustment area flexo dot The integrity of the offset makes the offset printing unattainable, the flat net is flat, and does not emit flowers; (5) the metallic color is very strong, and the offset printing is incomparable.
(2) The gains and losses of the offset printing process
The number of screen printing lines reaches 200 lines/inch, and the level of expressiveness is the most delicate; 2 the multi-color offset printing and the web printing of the multi-color offset printing and the embossing of the web are the same, and the overprinting precision of the offset printing is the highest; 3 The color difference control of the spot color and the color difference control of the overprint color are more difficult; 4 The ink balance control is difficult, the integrity of the dot is poor; 5 The dot jump and the lap near the critical point cause the unevenness of the flat net; 6 is famous internationally. The brand's four-color, five-color sheetfed offset printing equipment is compared with the rotary equipment. Although the printing quality of the product is high, the shortcomings in the comprehensive cost of the product's production capacity, raw material utilization level, and offline processing cost are obviously exposed. .
(3) The gains and losses of the embossing process
1 dot enlargement to the loss of image level; 2 loss of color density of embossed ink path; 3 although there is no constraint of anilox roller condition, but because of dot enlargement, it can not challenge the number of high-screen lines of offset printing; 4 chromatic aberration control is insufficient; 5C MYK four-color overprint stability is not high. It can be seen that there is no reason for the downturn in embossing in the European and American markets.
The above content is selected from the first issue of 2011, Label Printing Technology , and more journal content, please pay attention to the journal channel .
Hydra Roller 64
Hydra Roller 64 is one Medical Device.
The advantages of Hydra Roller 64 are as followings:
1. Integrated design, more convenient to use Compared with the traditional microneedle use procedure, it is necessary to apply the relevant essence after the microneedle is finished. HR64 simplifies these two steps into onestep, and evenly applies the essence while using the microneedles. It is more convenient touse and saves time.
2.Spread evenly and increase absorption
Each needle can bring the essence into the cortex, which can maximize the effect of the essence, while also reducing
unnecessary waste of the essence. The flow rate of the essence can be controlled by different pressing forces.
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Suitable for all people, can be used at home or in clinical use. lt is recommended to be used once and to ensure more safety and hygiene.
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