Digital Printing Postpress

Digital technology has had a profound influence on almost all aspects of the printing industry, and the post-press industry is no exception. The difference is that the impact of digital technology in the post-press field is not as significant as that in prepress and print production. After all, post-press processing is mainly the mechanical processing of prints, so the impact of digital technology is relatively slow.

However, over time, digital technology is slowly penetrating the post-press area of ​​the digital printing market. Almost every digital printing device needs a certain post-printing process to match it. For this purpose, it provides new technology and opportunities for post-press technology developers, and professional post-press service companies have also acquired new markets.

Like traditional printing production methods, digital printing also requires follow-up processing. Whether it is a line-mounted, saddle-stitched, or wireless glued, if there is no post-press processing, digital prints are still only piles of printed sheets.

However, it should be noted that on-demand digital printing imposes very different requirements on post-press processing. Since most digital prints are short-lived, the post-press process must be able to support this particular product. The number of products may be from 1 After the start of the post-printing needs, it can no longer take hours to debug the machine, so that the original hundreds of products are scrap.

Many traditional postpress companies have noticed that the digital printing market is a worthwhile market, and Mueller Martini is one of several companies that specializes in the development of digital printing for the postpress industry. David McGinlay, the company’s head of technical sales, is The broad prospects of this market are very confident that the company's new binding equipment, Amigo Digital, is designed specifically for the on-demand printing market. Mr. McGinlay said, "If you want 1 copy, then 1 will not be wasted." Amigo has a speed of up to 1,000 parts per hour to cope with the post-press processing speed requirements of any digital press on the market.

CPBourg is another big company in the post-press field. In the UK, CPBourg's technology is often sold together with Xerox equipment. For many years, the company has been providing post-press solutions for the digital printing market, with wireless glue binding causing the greatest concern.

Duplo is also interested in developing a post-press process that serves the digital printing market. The company recently introduced several miniature page layout systems, of which the DFC-10 and DFC-12 are programmable and have high productivity. Duplo also owns DocuCutterDC-545HC, which is claimed to be the world's first intelligent finishing machine. It is designed for monochrome or multicolor digital printing. It has many subtle designs, such as automatic adjustment to compensate for printed images. The displacement will not be wrong when it is subsequently grooved, indented or cut, which not only saves costs, but also increases production efficiency.

In post-press processing, production efficiency is critical, and it is the same for both long-lived and short-lived jobs. For many years, Horizon has been working to increase the production efficiency of on-demand printed RFID and has developed a corresponding post-printing system. The newly introduced linear automation devices can be connected to each other via the CIP3.

Ease of use is also very important for the development of new post-printing processes. Mr. Fletcher said: “The networked production process has greatly reduced the production preparation process. The automated equipment can be set up in a matter of minutes, which makes short live production possible. It is quite competitive.”

In order to make the post-printing process competitive in the field of digital printing, a large number of new products were introduced. Watkiss Automation introduced its new collation equipment Digivac Collator at the Northprint 2003 in the United Kingdom. The device uses a patented suction-type delivery system. In the system, the sheet is fed out from the bottom, so that the operator can add sheets from above without stopping the machine, and thus the production efficiency is higher.

Source: "Printing World"

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