Goss International Variable Sleeve Web Offset Presses for Flexible Packaging, Carton and Label Applications

Goss International supplies presses, press ancillaries and finishing systems – including the most automated and productive web offset presses in the world – for magazine, newspaper, packaging, catalogue, direct mail and other printing applications.

Part of the Shanghai Electric (Group) Corporation, an international group with annual revenues of more than $8bn, Goss is headquartered in Durham, New Hampshire (US) and has major manufacturing centers in North America, Asia and Europe, as well as a global sales and support network.

A longstanding web offset market and technology leader, Goss believes that changing requirements are now creating the right conditions for a wider adoption of web offset for folding cartons, as well as flexible packaging and labels.

Why web offset for packaging?

  • Infinite variable sleeve repeat range
  • High quality, with a true commercial inker / dampener with four form rolls
  • 50-200% higher productivity than sheetfed
  • Lower plate and substrate costs and a wider substrate range
  • Short and long-run agility
  • Advanced makeready and presetting ability
  • UV, EB or heatset drying
  • In-line converting or roll-to-roll
  • No complex, high-cost cylinder imaging

While high-quality run lengths and turn-around times continue to decrease in the pursuit of ever more dynamic, targeted and personalised packaging, profit margins have never been tighter. In this climate, web offset is a process that offers distinct advantages for an increasing range of packaging jobs.

Web offset lithography is an inherently stable process ideally suited to addressing the challenges of high-quality applications, including precise color tones, intricate reverses and screens in excess of 200 lines per inch. Sophisticated screening techniques, such as FM or stochastic screening, can further improve print quality while avoiding screen clashes, moirés and other defects.

In contrast to the flexographic process, web offset has the ability to print solids and screens for a particular color from one plate on the same unit, which boosts simplicity and cost-effectiveness. It also offers a major advantage over flexo through its much quicker platemaking process and significantly lower plate and consumables costs, which become compelling factors as run lengths are reduced.

Web presses run fast – up to 15m/s (49ft/s) – and automated makeready processes not only result in speedy start-ups for new or repeat jobs, but also quicker and easier adjustments during production. These advances in presetting, process integration and closed-loop control have given web offset competitive advantages on a full range of run lengths, including shorter runs on a wide variety of substrates.

With the option of integrating flexo or gravure stations into an offset line to form a hybrid production line, packaging printers can also benefit from the inherent advantages of offset with the flexibility of a wide range of coating and finishing options.

Why Goss International?

  • 150-year record supporting the world’s leading printers
  • More than 13,000 web offset printing units installed during the past decade
  • Proven specialist in customised configurations and auxiliary integration, including complex in-line finishing
  • Unmatched leader in transformative web offset innovations
  • High quality at high speeds
  • Wide webs up to 112in / 2.8m – precision tension control for lightweight substrates
  • Sunday Vpak web offset technology

Goss Sunday Vpak presses are designed from the ground up to allow flexible packaging, folding carton and label producers to fully exploit the productivity, print quality, process automation and short-run advantages made possible by web offset technology.

Sunday Vpak presses provide the productivity and print quality advantages of web offset, along with high-tech inking and exacting control over presetting, register, color and tension. Quick-change sleeve technology allows infinitely variable repeat settings within the design range of each press model, making it fast and simple to match the cylinder circumference to each specific job.

In adapting its sleeve technology for packaging applications, Goss developed a system that involves affixing a layer of lightweight material known as the "white light" layer under blanket and plate sleeves.

Varying the thickness of this "white light" layer means that fewer blanket bridging sleeve adapters are required, providing a less expensive and complex alternative to buying and organising separate sets of bridging sleeves for every single size requirement.

In parallel with the sleeve change and "white light" concepts, the Goss team designed the Sunday Vpak press cylinder stack so that rollers and cylinders maintain a correct contact profile regardless of the repeat size.

The end result is a press design that merges the proven quality and productivity traits of the world’s most advanced commercial presses with a size-change capability that is easy, reliable and cost-effective, providing a much more sustainable production solution.

Sunday Vpak press models

Both models of the Sunday Vpak press feature quick-change blankets and printing cylinder sleeves, which make ‘infinitely’ variable repeat lengths easy and affordable.

The Sunday Vpak 3000 press is available in web widths of up to 1,905mm (75in) and exploits the signature print stability of the established gapless Sunday technology to address the growing trend towards wider web packaging printing for greater economy and flexibility of production.

The narrower web width of the Sunday Vpak 500 press (from 521mm/20.5in) delivers a new level of packaging printing productivity with high web offset print quality and web economic advantages for folding carton, flexible packaging, preprint and label applications.

Sunday Vpak features and benefits

  • Up to 75in web widths
  • Premium offset print quality
  • Affordable, fast variable-sleeve size changes
  • Fast makereadies
  • Lower-cost offset plates
  • Higher productivity than sheetfed
  • Unique image nesting on plates to optimise layout
  • Gapless cylindrical Sunday press blankets
  • Advanced tension control
  • Bearerless, force loaded cylinders
  • High-quality ink and dampening system with four form rolls
  • Automated Goss Omnicon controls

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Press Release

Goss Packaging Technology Center will Open in January as Unique Resource

Center will provide the opportunity for brand owners and packaging producers to test, demonstrate and implement cooperative programs to enhance their business proposition through web offset technology. Sunday Vpak press system for film and board production will be featured.

White Papers

Sunday Vpak: a Variable-sleeve Web Offset Platform Delivering Productivity

Specialized Goss® Sunday® Vpak™ presses were designed from the ground up to allow flexible packaging, folding carton, pre-print and label producers to fully exploit the productivity, print quality, process automation and short-run agility advantages unleashed by the latest advances in web offset technology.

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Press Release

23 September 2013

Center will provide the opportunity for brand owners and packaging producers to test, demonstrate and implement cooperative programs to enhance their business proposition through web offset technology. Sunday Vpak press system for film and board production will be featured.

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8 September 2013

Goss Sunday Vpak press offers converters fast ROI for short-medium run lengths. Productivity, quality and cost advantages of new web offset option will be highlighted.

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24 April 2013

Precision Press, an innovative US packaging and label producer for the food, beverage and consumer markets, will be the first in the world to install the new Goss Sunday Vpak web offset printing system.

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24 April 2013

Packaging producers from Europe and North America saw a Goss Sunday Vpak press system print with high quality at high speeds on wide webs during a series of demonstrations at the Goss International headquarters in the United States.

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24 April 2013

With intensive print testing completed throughout October at its headquarters in Durham, New Hampshire, Goss International started shipping its first Sunday Vpak packaging press on schedule to Precision Press in Minnesota (US).

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Regional Offices

World Headquarters

Goss International Americas Inc.

121 Technology Drive

Durham, New Hampshire 03824

California

United States of America

+1.603.749.6600 +1.603.750.6860 www.gossinternational.com Sunday Vpak 3000 Sunday Vpak 500 Goss Sunday Vpak video

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