The on-demand printing market is a new type of printing market created in the digital printing era, and the on-demand printing process also has its own unique characteristics. With the rapid development of digital printing technology, the pre-press and printing parts of on-demand printing have realized the diversification of printing content, printing methods and printing results, and are considered to have basically met the needs of on-demand printing. However, because what people ultimately need is a complete printed matter, they appear in a variety of printed forms such as books, magazines, newspapers, brochures, etc., and certain processing methods are needed to convert the printed sheets into a complete printed matter. Therefore, on-demand printing also requires post-press processing. However, the traditional post-press processing methods, equipment, materials, and processes are all directed to long-form or large-volume printed products, which simply cannot meet the random and varied requirements of on-demand printing in terms of form, quantity, and content. Therefore, in recent years, major enterprises and research institutions have focused on technology development after-press processing of on-demand printing.
The purpose of post-press processing is to process the printed sheets into a complete product that can meet customer needs and market needs. However, due to the variety of post-press processing products, from inserts to brochures, from paperback books to hardcover books, the processing procedures that are experienced are also extremely complicated, from cutting, folding, pagination to bookbinding, cover, cutting, stacking The binding methods used vary widely, such as flat binding, saddle stitching, and spiral binding. The traditional post-press processing and production equipment is mostly dedicated, which is only suitable for books and periodicals of a certain thickness and certain quantitative paper, and it is difficult to adapt to the needs of changing digital printing products. In addition, the time-consuming and laborious processing links such as indentation, embossing, laminating, bronzing, and punching, which are widely used in post-press processing technology, also make post-press processing a bottleneck in the on-demand printing process.
To make digital on-demand printing truly form a complete processing chain and process complete printed products, it is necessary to innovate the traditional post-press processing. For this reason, post-press processing technology has undergone a series of changes in recent years. The diversification of its equipment and the flexibility of the process have made post-press processing and on-demand printing requirements gradually coincide. The main changes are:
* Digitization and automation of post-press processing equipment: Digitization and automatic control shorten the time for processing equipment adjustment and live part conversion, thereby improving the efficiency of post-press processing production and matching with digital on-demand printing.
* Multi-function of post-press processing equipment: Post-press processing equipment is no longer just serving a certain processing procedure, but trying to combine multiple processing procedures to reduce the adjustment time and material waste between the procedures.
* Flexibility of processing technology: Post-press processing no longer follows the original traditional technology, but based on the characteristics of digital printing and the requirements of on-demand printing, improve the flexibility of processing technology, adopt the best processing steps, and realize black and white and color page , Multi-page and multi-post, small size and large size, soft cover and hard cover, paperback and hardcover flexible combination, really make the printed matter on-demand binding.
After collecting information on post-press processing innovation and development for on-demand printing in the world today, we have summarized the information about post-press processing equipment and materials developed by different foreign companies and enterprises for on-demand printing, and introduced their The main features are for the reference of insiders.
High speed paper cutting / stacking machine
Stralfors' Lasermax LX 500 series equipment includes LX560 paper cutter and LX565 stacker, which can be connected to high-speed digital printers, cut the printed web into single sheets and stack them into volumes, and process complete Book block. Its additional function can also transfer individual printed sheets to the online folder, binding machine or other post-press processing equipment.
Automatically set folding machine
Standard Finishing Systems introduced the new Standard Horizon AFC-546AKT floor-mounted folding machine, which is characterized by a touch screen control panel that can display folding specifications and printed sheet size to complete automatic presetting. The control panel can store the setting parameters of up to 100 jobs, and can preset 17 folding methods. The precision stepper motor can ensure that the folding stop and folding plate are accurately positioned according to the selected folding specifications and folding method. The automatic setting time of the entire folding machine does not exceed 14 seconds, which is quick and convenient.
Folding machine with smart counter
Vijuk-G & K's folding machine with smart counter can count and feed paper through a batch counter, stack 1 to 8 pages of pre-configured page numbers, and then fold them together for folding. The folding machine can also fold the printed sheets printed by Xerox's DocuTech digital printing machine or other companies' digital printing machines. After the bar code reader is selected, the count value within a processing cycle can also be set through the input program.
Suction type paper feeder
Matik North America has developed May-Autoset Combi-Flex, an automatic suction paper-feeding collating machine. Unlike the collating machine produced by other companies, this machine uses an independent servo motor to drive the suction head to convey the paper to the collating belt of the collating machine. Its modular equipment structure can be configured with up to 36 collating machines. Page tower, with a page size of 20 inches x 28 inches, a page stack height of up to 32 inches, a page speed of 3000 sets per hour, and a page combination speed of up to 4800 sets per hour in a tandem combination configuration. Its computer-controlled automatic operation, job storage and quick setting make the short-term binding more efficient.
Center feeder collating machine
Global Print Finishing (GPF) has launched the Uchida Collator UC-1100 collating machine, which uses a reliable friction paper feeding system to efficiently collate paper of various specifications and different amounts of paper. The central paper feed device does not need to reset the booklet collating machine and cutting device every time the paper size changes. The UC-1100 collating machine can be connected with commonly used booklet binding machines, such as GPF's BookMaster binding production line.
Automatic three-sided book cutter
Challenge Machinery's CMT330 three-sided book cutter can be processed both online and near-machine. As long as the processing size is input to the control panel in digital form, any one of the 99 memorized programs can be stored within 15 seconds and can be automatically set by the computer-controlled servo motor.
Booklet saddle stitch binding machine
IBIS's high-speed Digi-Stitch DST2 saddle stitch binding machine can work online with the web digital printing machine. The printed roll paper from the online printing system is cut by the sheet-cutting machine first, and the cut sheets are input one by one into the DST2 side register paper feed device, and the barcode number is checked by the barcode reader. Then each printed sheet is creased, folded and collated separately. The pre-printed cover is input through another paper feeder. After folding, the book cover is automatically attached to the book block, and then the booklet is bound by saddle stitching, and finally cut by a three-sided cutter to become a booklet of the required format specification.
The DST2 bookbinding machine can finely adjust the thickness of the booklet without affecting the paper feed, and the thickness can be adjusted to 0.4 inches. The booklet of ultra-small specifications can also be processed with a center cutting knife. Digi-Stitch's DST2-NL binding machine has the same functions as the DST2 binding machine, but works offline.
Multifunctional post-press processing system
MBO's DIGI-Finisher binding system provides a variety of processing functions for printers' post-press processing. It can perform folding, collation, binding, wrapping and book cutting of printed sheets until they are processed into volumes. This DIGI-Finisher processing system, which can input fixed data or adapt to variable data, can be used to set data without stopping, and can flexibly realize online processing or offline processing with the printing machine. DIGI-Finisher's MBO B-21 folding machine comes with a paper feeder, which can be used for online processing of folding and binding with the saddle stitch stapler, or offline operation with the saddle order machine to complete the binding of printed products.
Hard cover binding machine without preparation time
P2 Technologies specializes in hard cover processing equipment for hardcover books, and has developed the SC-2 Autocase equipment for short and on-demand book cover processing.
Only one operator is needed to operate SC-2 Autocase equipment, and 5 bookcases can be processed per minute. If the specifications and materials of the book cover need to be changed during the processing, the operator only needs to make simple adjustments on the operation panel, and it can process different types of angled book covers without time and effort, and can automatically adjust the corner cutting machine to cut the book cover
Large format hardcover / booklet processing system
Bowe Bell + Howell launched DemandWorks single-clamp hardcover machine to enter the large format hardcover processing market. The single-clamp binding system has a processing speed of 450 hardcover books per hour and can be machined with a digital printing machine. A single-machine binding system can cooperate with multiple digital printing machines for near-machine processing.
The binding machine has the company's patented cover pressure groove and cutting device, which can automatically adjust the thickness of the binding, and does not require three-sided book cutting processing. Its dynamic adjustment function can change the page number count in the same batch of book binding processing. The equipped advanced bar code reading system can ensure the integrity of the binding processing and control the matching of the book block and the book case.
The DemandWorks booklet binding system also from Bowe Bell + Howell can process a variety of booklets from 51 inches by 81 inches to 81 inches by 11 inches. Using the optional book flattening machine and precision stacker or conveying equipment, equipped with booklet binding machine and book cutter, and a high-speed paper feeder with a variety of flexibility, it can process sheet paper and web materials And digital printing and offset printing sheets, and can even process sheets from other printing methods, can bind monochrome sheets and color sheets together.
DemandWorks' booklet processing system can also be equipped with an independent paper feeder to process booklets with customized covers. In a batch of printing jobs, each booklet can be bound into booklets with different content and different page numbers to achieve on-demand binding. The book binding integrity of the entire batch of books is guaranteed by the pre-reading system, which uses one-dimensional and two-dimensional barcode reading or OCR reading technology to control the sorting of different content page numbers and different covers.
Upgraded desktop binding machine
Powis Parker's upgraded desktop binding machine Fastback 15xs can bind books up to 11 inches thick (3 to 350 pages), and can be equipped with covers of various materials, such as fabric, film, glossy paper, etc. After using barcode technology, the binding machine can also read book binding barcodes, calculate the best processing time according to the type of book being bound, and make the binding speed up to 4 books per minute.
Integrated hardcover book production line / three-sided book cutter
Mailer Martini's AmigoDigital hardcover book production line and three-sided book cutter constitute a complete automatic book production line. The production line had continuous production demonstrations at the on-demand printing exhibition and drupa exhibition, which fully demonstrated the charm of on-demand printing and post-press processing.
The three-sided book cutter can also be connected to a short- or medium batch processing scale hardcover production line. The highlight is the programmable logic control touch screen console used in automatic preparation. The cutting speed of the three-sided book cutter is 2000 times per hour, and under the maximum cutting thickness of 3 inches, multiple books can be cut at a time.
On-demand printing digital hardcover system
Spiel Associates has introduced the Sterling Digibinder digital hardcover book binding system, which is a one-click hardcover book processing system designed for on-demand printing. The Digi-binder hardcover system can process hardcover books up to 11 inches thick, with a processing speed of 360 books per hour. When converting jobs, you only need to enter the size required for book binding on the keyboard, and the pneumatic book holder can automatically adjust to fit the thickness of the book being bound. In addition, the system uses the book spine as a whole instead of slotted. The double glue wheel device can ensure even glue, and is equipped with glue pressing device.
Quick setting automatic screw binding machine
Plastikoil developed the PBS 3000QS quick setting automatic screw binding machine. The small binding system has the basic setting function. No tools are needed for renewal. The spiral pitch is easy to adjust and the cost is low. The booklet is placed vertically.
Single-arm punch
MBM's 55-type single-arm desktop paper puncher has a 5-hole preset mode, with a 2 inch thick paper punching capability, a minimum aperture of 7/64 inches, and a fast clamping device to ensure that the paper is well fixed when punching .
Online punch
The Fusion Punch II puncher launched by Xerox Corporation and connected to GBC is designed to punch holes for the spiral binding of documents that require flattening. The Fusion Punch II puncher includes an online book stacker and an adjustable puncher capable of processing mixed paper. It has become the standard configuration of Xerox's DocuColor, DocuTech, and DocuColor iGen 3 series digital presses.
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