4, to digital development
With the development of sheet-fed and web digital presses, digital printing's postpress system has also been followed up. Although on-demand printing technology is mostly used in short-lived printing (less than 1,000 copies), this is not static. The increasingly powerful functions of the printing press, especially the widespread use of web-fed inkjet printers, have led many digital printing companies to begin to accept long-lived prints. This change in workflow has led people to turn their attention to finishing solutions.
Digital finishing is very different from commercial printing in terms of system and workflow. They usually use "one-off" production methods. That is to say, the content and the number of pages of each book may be different, and the effect that each reader sees is different.
(1) The Digi-Finisher binding processing system jointly developed by Germany's Hohler Company and MBO Company has a variety of functions. It can complete the collation, binding, and cutting of printed products until the final product output, and can also be equipped with books and magazines. Machines, automatic balers and other additional equipment. This Digi-Finisher processing system, which can input fixed data as well as variable data, can set data without downtime, and can be flexibly connected to the press for on-line or off-line processing.
Digi-Finisher is a combination of Heller's saddle stitching line HSB7000 and MBO's B-21 folding machine. It folds digital printed pages into four or eight pages and then places them in Hall Stapler on the saddle. The device has many vertical book holders so that digital printing materials can be combined with digital prints. Barcode scanners guarantee the integrity of pages and signatures. In addition, these two units can also work independently and independently. The B-21 type folding machine can be used as a folding machine alone for folding processing. The HSB7000 single machine is a complete saddle stitching linkage line when it is offline.
(2) Martini has always occupied an important position in the field of post-press processing, and he is not to be outdone in the field of digital bookbinding. The Martini SigmaLine system is very versatile and can be coupled online with a continuous web printer. If you use the online production method, you can install a paper cutter at the end of the printer, and send the processed pages through it, and then transfer the book block to the paper feeder of the binder through a special conveyor belt. At the stapling measuring station, each input book block is pressed with a certain amount of pressure applied to a variable number of jobs. At the same time, the measuring station also determines the actual size of the book blocks and the order in which they enter the binding machine. The machine's maximum processing speed can reach 6000 volumes/hour.
(3) IBIS's high-speed Digi-Stitch DST2 saddle stitching device works online with web digital presses. The printed roll prints from the on-line printing system are cut by the cut-sheet machine, and are fed one by one into the DST2 edge position register feed device. The barcode reader checks the print sheet number, and then each print sheet is separated. It is indented, folded and collated. The preprinted front cover is input by another paper feeder, and after folding, the booklet is automatically matched with the book block, and then booked by the saddle stitching device. Finally, the three-sided cutter cuts the booklet into the format specification. The DST2 saddle stitching device can precisely adjust the booklet thickness without affecting the paper feed, up to 0.4 inches. For ultra-small booklets, center slitting knives can also be used for processing. The Digi-Stitch DST2-NL bookbinding device has the same functionality as the DST2 bookbinding machine, but works off-line.
(4) Duplo System 5000 maintains its leading position in the offset printing and digital printing markets. The System 5000 can be used with any offset or digital printing device. Duplo also introduced the IMBF software for the System 5000 product line, which can control 40 paging units via the PC interface, while allowing the operator to select the collation unit and the order of feeding. In this way, people can bind color and black and white pages together in a reasonable order. In addition, this software can also be driven by the database, so you can create brochures with personalized data. If you add a suitable folding/inserting unit, the system can also implement the mailing function.
PCL is a kind of polymer with mechanical properties, shape memory and biodegradability. It is also a kind of biocompatible, absorbable and low-cost synthetic polymer. Our PCL are currently widely used in many fields, such as injected glaucoma drug, coatings, ophthalmic implant, Dermal Fillers, absorbable.
The CAS Registry number of Poly(L-lactic acid) PLLA is 24980-41-4.
It is white floccule.
We can provide Intrinsic viscosity from 0.30-2.25 dl/g, Mw from 6000-30000.
For each batch a certificate of analysis is provided, showing the analytical data determined in our quality control laboratory. Additional analytical data can be made upon request.
When stored in the original packaging at low temperatures (2-8°C), PDLGA keeps its initial properties for at least two years.
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