Sheetfed Offset
Koenig & Bauer (US) plans to present its global brand re-launch at Print 18 in Chicago, Ill., as well as highlight a number of new announcements, including its latest innovations for the commercial market, and its selection as a 2018 Printing Industries of America InterTech Technology award recipient.
Quantum Roll Sheeters will be attending Print 18, September 30 to October 2, at McCormick Place South in Chicago, Ill., where it plans to unveil the newest addition to its roll sheeter product line, the LS model.
UV systems manufacturer Benford UV will showcase its latest DualUV technology at Print 18.
Komori America is introducing an eight-colour Lithrone G37P perfector capable of one-pass double-sided printing, designed with a compact body size.
Heidelberger Druckmaschinen AG is now offering an enhanced rotary die-cutter based on the XL technology, primarily targeting the in-mould label market. Based on a recent Awa Global Inmould Study 2017, the in-mould market is growing globally at around 4.3 percent and more than two thirds of the worldwide production is required for food packaging.

The new Speedmaster XL 106-DD, explains the company, unites two key production steps in a single machine, describing this as a unique combination in the market. The rotary die-cutter’s first unit places the injection hole in the label for the subsequent production process by means of a die on a magnetic cylinder with a high level of precision. Heidelberg explains even the tiniest holes of five millimeters diameter or more are possible. This has traditionally been a separate production step.

The cut out material is removed by means of an extraction system. The second unit of the XL 106-DD subsequently cuts out the contour of the label from the sheet. Heidelberg explains this combination of the two production steps in a single pass means a doubling of the die-cutting throughput, while makeready times and costs for die cutting tools can be reduced to half of what was previously required.

The XL 106-DD processes foils and paper with thicknesses of 0.05 to 0.3 mm at a throughput of 6,000 to 10,000 sheets per hour – almost twice as fast, according to Heidelberg, than a flatbed die-cutter. The machine is typically set up in 15 minutes.

Injection holes of five millimeters diameter and more can be cut. Apart from in-mould labels, the XL 106-DD can also cut plastic or paper packaging elements, such as POS items which, due to their design, need a window or hole for mounting in the shelf or for attaching to the product.
Komcan is now distributing DigiNip Sensor technology for fast and accurate nip readings of roller alignment. DigiNip is a handheld electronic nip sensor system that provides diagnosis of roller conditions at the nip contact point.

Komcan explains the system requires minimal investment and no prior experience to accurately record spot nip width at any section of the web or sheetfed process. The product allows for nip readings to be determined instantly and adjustments made while the DigiNip sensors are between your rolls.

The sensor elements that connect into the DigiNip device are designed to provide thousands of readings before replacement is necessary. The technology is designed to act rapidly on the cause of problems, not on the effects.

It is estimated that DigiNip allows users to reduce nip measurement time by at least 50 percent, while also significantly reducing paper waste and providing ink savings based on better water/ink emulsion.
Heidelberg has launched the 37-inch-format Speedmaster CS 92 into the North American market. The company reports numerous machines have been installed worldwide, primarily with small commercial printers needing to print 30 million impressions and upwards per year on one machine.

The Speedmaster CS 92 was first launched at China Print 2015 as a press for printers looking to consolidate multiple, older machines or wanting to upgrade from a half-size press to widen their market offering. The new press is available in standard four- and five-colour configurations with and without coater or as a six-colour plus coater model. The CS 92 is also available with UV curing.

Heidelberg states based on its productivity versus price performance, the new press offers the lowest cost per sheet against any other competitive press in its class. With a format size of 25 x 37 inches (8-up letter size sheets), Heidelberg explains customers benefit from a 20 percent plate savings over traditional 40-inch presses.

Built upon the platform of the Speedmaster CD 102, the CS 92 prints up to 15,000 sheets per hour and comes standard with Preset Plus Feeder and Delivery. It can also be equipped with Intellistart technology to shorten makeready times.
Komori has commercially released its new Lithrone G37 press in the North American market. Komcan of Georgetown, Ontario, is the Canadian dealer for Komori presses.

Described by Komori as a compact press that can produce A1-size products, the Lithrone G37 provides a 640 x 940 mm maximum sheet size (printing sheets up to 37-inches wide) and is equipped with an updated version of the KHS-AI integrated control system for quick press start-up.

Komori explains colour management can be implemented by including a CMS colour bar on sheets even with 8-up A4 or American letter-size impositions. Its format size is also well suited, explains the company, for printing items in the international standard A1 poster size, while providing flexibility in layout criteria such as bindery register marks.

The Lithrone G37 produces a maximum printing speed of up to 15,000 sheets per hour. It also provides what Komori describes as stable high-speed operation over the 0.04 to 0.6 mm sheet thickness range. The press can be integrated with Komori’s H-UV drying system.
Komori Corporation has added a new press to its Lithrone G Series, the Lithrone GX44RP offset press, describing the system as the ultimate in one-pass double-sided printing. The 44-inch Lithrone GX44RP is equipped with H-UV technology to deliver high quality, high productivity and short turnaround stability for double-sided printing.

Komori describes the press as being well suited for applications like publication printing, magazines and books, and duplex package printing. Key features of the new press include single-edge gripping, which makes the margin on the tail edge of the sheets unnecessary. This enables paper costs to be cut by minimizing the sheet size.

The Lithrone GX44RP also employs four double-size transfer cylinders, which eliminates sheet reversal and to help provide stable sheet transport for handling either light or heavy stocks through. Additionally, front/back plate imaging is in the same direction, (just as with single-sided presses) increasing efficiency in prepress.

Supported by the KHS-AI integrated control system, benderless Full-APC and the H-UV curing system, the Lithrone GX44RP provides short makeready and powderless instant drying to accommodate fast turnarounds. Options that can be included with the press are the A-APC Asynchronous Automatic Plate Changer, the PDC-SX Spectral Print Density Control SX ,odel and the PQA-S Print Quality Assessment System.
Flint Group is introducing a new UV lamp retrofit conversion program called VANTAGE LED aimed at sheetfed printers. The full suite of products and services included in the retrofit program consists of pre-conversion consulting and training, LED inks and coatings, matching pressroom chemicals and blankets, as well as service support during and after conversion.

At the heart of the VANTAGE LED program, according to Flint, are EcoLUX LED lamps supplied by Air Motion Systems, which develops LED UV technology often applied in the sheetfed offset industry.

Flint explains VANTAGE LED is geared toward users of legacy UV methods and for those printers who have had no exposure to UV curing methods but are now investigating LED technologies.

“LED curing technology will change sheetfed offset printing forever – there is no doubt,” said Jim Buchanan, Global UV Business Development Director for Flint Group Packaging & Narrow Web. “VANTAGE LED has been developed to ensure those wishing to convert to LED curing can do so with confidence in a very short space of time. Our expert print technicians will audit an operation in the first instance and a full cost-benefit analysis will follow – a press can be converted in as little as one day.

“We have seen a staggering increase in factory-fitted LED presses, but the process of converting existing presses to LED, with retro-fitted lamp systems, allows printers a fast track to the benefits this technology brings.”
KBA is introducing a new double-pile delivery system for its Rapida 145 sheetfed press, which will be shown at drupa in a six-colour configuration with coater and automated pile logistics. The double-pile delivery option is now also available in medium format for the Rapida 106 press.

The new double-pile delivery for the Rapida 145 is designed to optimize production at packaging companies with high throughput. A waste-free delivery pile which stands next to a smaller pile of waste, explains KBA, can be sent straight to a die-cutter or laminating machine to be converted. Productivity is increased as manually sorting through a pile for waste is now no longer necessary.

KBA explains both piles can be embedded in substrate logistics. Waste can be ejected at full speed, i.e. at 18,000 sheets per hour (Rapida 145) and 20,000 sph (Rapida 106). This allows for start-up and run-up waste to be removed automatically. Further applications are planned in the future, explains KBA, which adds that double-pile delivery makes nonstop pile change at maximum speed safer. Production with two piles is possible in both manual and automatic mode.
At drupa 2016, running from May 31 to June 10 in Germany, Heidelberg plans to present three key new innovations for its Speedmaster XL 75 Anicolor 2 short inking technology, applied to both commercial and packaging printing.

Heidelberg explains its Anicolor advantages are summarized with the formula 90-50-50: “Around 90 percent less waste thanks to fast and constant inking. It takes just 20 to 30 start-up sheets to reach the correct ink levels for a new order. The result is a 50 percent reduction in setup times combined with a 50 percent increase in productivity.”

“We presented the Speedmaster XL 75 Anicolor as prototypes at drupa 2012. We have sold over 200 printing units since then – split down the middle between commercial and packaging printers,” said Stephan Plenz, member of the management board responsible for Heidelberg Equipment. “At the next drupa we will be showing how easy it can be to complete short production runs quickly, flexibly, and economically using offset printing with the Speedmaster XL 75 Anicolor 2.”

The first of three Anicolor 2 innovations highlighted by Heidelberg is the Anicolor Booster, which can be activated at the push of a button on the Prinect Press Center and permits a wider use of inks based on a new setting range for ink density on different printing stocks.

Heidelberg explains, in most cases, Anicolor Booster does away with the need to change the ink chamber as was previously required with very absorbent printing stocks, adding this shortens the setup time in commercial printing since both coated and uncoated paper can now be processed with the same ink series. Heidelberg states this benefit is even more pronounced in packaging printing, with its ever-changing spot colours – up to 15 minutes can be saved here by not having to change the screen roller, which is mostly only required for orders involving the application of opaque white, gold, or silver.

The second innovation of Anicolor 2 highlighted by Heidelberg is a faster washup program that provides for faster ink changes and, therefore, shorter setup times based on 9,000 revolutions per hour instead of the previous 7,000. As a result, Heidelberg explains the changing colour shades can now be achieved up to a minute faster.

The third innovation of Anicolor 2 highlighted by Heidelberg is a new function allowing the operator to choose between “standard,” “short,” or “none” for the ink shut-off time, depending on the colour assignment from one job to the next. The shortened ink shut-off, according to Heidelberg, saves another 20 seconds, while eliminating it altogether reduces the setup time by 40 seconds. The option of “none” is suited for successive orders of the same type.

Anicolor 2 with a new design, new feeder, and the new Prinect Press Center XL 2 will be available as standard from November 2016. A number of technical functions such as the new Anicolor Booster and the faster washup programs will be available earlier from July 2016.
IST METZ GmbH of Nürtingen, Germany, is repositioning itself to take advantage of the growing business in LED UV systems. In May 2015, the company acquired the majority interest of Integration Technology Ltd., which develops such systems, and IST METZ has now reorganized its management board.

The UV market is changing: Besides the classic UV medium pressure lamps, in recent years the curing of inks and varnishes by means of UV LEDs has been established. This has even opened up whole new business areas, e.g. in the industrial joining technology. Offering both types of UV systems, IST METZ GmbH has even further expanded the LED business this year. Apart from the successful market launch of its own high-performance LED products, the acquisition of the majority interest in the British UV systems manufacturer Integration Technology Ltd. in May brought an additional gain in expertise in this field.

Christian-Marius Metz, grandson of deceased company founder Gerhard Metz and previous Head of the Central Area Operations & Services, becomes Chief Executive Officer of IST METZ.

Holger Kühn was named Managing Director Sales. He has been part of the company for 17 years in various functions in sales, most recently as Head of the Central Area Sales. Dr. Robert Sänger will complete the management board at the beginning of next year as Managing Director Technology. Having been Head of Development at the subsidiary eta plus electronic GmbH, he will now join the parent company. Dirk Jägers, previous Managing Director of IST METZ GmbH, left the company.

“We are looking forward to running the company in the spirit of my grandfather”, said Christian-Marius Metz. “We are leading in the industry in terms of know-how in UV technology, and we will know how to make the most of it.”
Komori, at Graph Expo 2015 in Chicago, plans to focus on its recently introduced Lithrone GLX sheetfed press, IS 29 inkjet press and the PQA-S system for offset printing.

Launched worldwide at the beginning of 2015, the Komori Lithrone GLX sheetfed press features a fully automatic, non-stop feeder and delivery, camera inspection and inline colour control. The GLX’ A-APC plate changers can change plates in one minute regardless of number of printing units. The company also points toward how the press runs on vegetable-based greases and oils. The new Komori GLX is rated at 18,000 impressions per hour, and although focused for the carton market, is described as a versatile machine is also suitable for the high-end or ultra-quick make-ready commercial market, as well as printers with long runs.

Scheduled for a launch after Graph Expo 2015, the Komori IS 29 is a B2-format sheetfed UV inkjet press that can operate in perfecting or straight mode, printing on up to 18 point board substrates. It runs at 3,300 sheets per hour in straight mode. The IS 29 is a 20-inch web-fed machine that prints at up to 150 meters per second. According to Komori, this machine will be available as a roll-to-roll, roll-to-sheet, roll-to-saddle stitching or roll-to-perfecting binding configurations.

PQA-S, introduced in 2014 for Komori press integration, is an external camera inspection system designed to detect defects like hickies, scratches, dry-up, lost image, oil drops, that can occur during printing. In addition to detecting colour changes, PQA-S automatically corrects them. The system is focused through a narrow slit in the catwalk to the last impression cylinder. It photographs each sheet at press speed for comparing to master sheet.
KBA, at Graph Expo, will focus on the new Rapida 105 PRO press, as well as the growth in LED-UV printing with VariDry technology, and the RotaJET series of inkjet printing presses.

Launched in June 2015, the Rapida 105 PRO is a new medium-format sheetfed offset press. At 17,000 sph, the press delivers a slightly higher level of performance in terms of production, a larger standard sheet format of 740 x 1,050 mm, shorter makeready times based on more automation and a new operating concept. KBA explains it also offers more equipment flexibility and greater scope for customization. One of the Rapida 105 PRO’s key features, according to KBA, is the full preset capabilities from the feeder through the printing units to delivery. All of the settings at the feeder and delivery can be stored according to job type, which can be leveraged with repeat jobs or orders printed on the same substrate.

The interest in LED-UV technology has grown substantially over the past couple years, particularly for the its use on sheetfed offset perfecting presses. Introduced in summer 2014, KBA’s VariDry LED-UV system is designed for commercial and packaging printers from small to large format. The instant cure-to-print system offers low energy costs to power LED-UV, flexibility to easily move LED-UV lamps interchangeably on press, as well as environmental and safety benefits.

Introduced in January 2015, the RotaJET L and VL inkjet presses serve a range of applications for book, advertising and publications printing as well as additional industrial application fields, like decorative and packaging printing. At Graph Expo the company will be focused on its RotaJET 130 L and RotaJET 168 VL digital inkjet models.

RotaJET presses, explains KBA, feature a web guidance system over two large cylinders without turner bars, which result in optimum web tension and a high print and register quality even on thin paper. The modular RotaJET L platform is available in five different web widths from 35.2 to 51.1 inches and can be upgraded to the maximum printing width and colour content or configured to suit all fundamental application areas in the high-volume digital printing segment. Retrofitting future generations of printing heads is also possible allowing users to react quickly and economically to changing demands.
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