Ryobi's innovative LED-UV curing system, which made its debut in B3-format at Drupa last year, was shown at PRINT 09 in a B2-format for the first time.
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The Japanese press manufacturer's stand featured the new Ryobi 1050, a fully automated B1-format offset press making its North American debut at PRINT 09, and a B2+ format Ryobi 750 series in a six unit configuration.
The Ryobi 1050-6, a fully automated eight-up, six-colour press, was supported by the first appearance of the B2+ format Ryobi 756 with LED-UV curing unit. Both presses were demonstrated in a live print production environment.
The 750 series is available in up to 10 colours; the 1050 series is currently available in up to eight-colour models and features an optional closed-circuit camera to continuously monitor print quality. Both the 1050 and 750 series presses run up to 16,000 sheets per hour.
These two presses can run a wide range of substrates from super-lightweight papers to board and film, making them ideal for printers involved in the packaging world, or those seeking to add that capability. Ryobi's new LED-UV curing system, which offers significant savings on power consumption and speeds drying time, was making its first appearance at a major show in B2 format, following a preview of the technology at Drupa last year.
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Ryobi 750 series
Ryobi has seen strong worldwide demand for its popular Ryobi 750 series of six-up presses. The Ryobi 756 prints substrates from lightweight stocks and film to board stock.
The LED-UV curing unit on the Ryobi 756 is the first curing unit that replaces conventional UV lamps with long-life UV light-emitting diodes (LED), cutting power consumption by at least 70%. Dry times are shortened, speeding job completion. The LED-UV unit is also available for the two-up Ryobi 520 series press and the eight-up Ryobi 920 series press.
The system eliminates ozone emissions, has a lamp life 12 times longer than conventional lamps, and uses ink with no volatile organic compound solvents (VOC's).
This breakthrough technology is viewed by many as the most significant advancement in UV technology for 30 years. Light emitting diodes (LED's) are extremely efficient. Instead of using electricity to heat up a metal filament, LED's produce light by channeling an electric current through a semiconductor material. The result: close to 100% of the electricity is converted into light with virtually no waste heat generation.
Ryobi 1050 Series
The Ryobi 1050 Series features a double diameter impression cylinder and a double diameter transfer drum. There is also an optional movable shell-type skeleton transfer drum that accommodates various print stocks and thicknesses. The press is ideal for packaging and other high-value speciality printing.
The six-colour 1050-6 model at PRINT 09 featured an inline aqueous coater and infrared/hot air knife dryers, which speed delivery times. High-value-added printing is made possible by optional UV curing units, enabling chemical embossed and lenticular printing, and production on film, metallized paper and other non-absorptive materials. The 1050 series press is designed for highly accurate sheet feeding.
Other standard or optional technologies on the Ryobi 1050 series press include the centralized settings covering make-ready, paper changing, cleaning, registration, dampening volume control and more. The inline Ryobi Printing Quality Control System monitors and controls ink density with a closed-circuit camera, allowing efficient colour adjustment and reducing waste. Other options include fully automatic plate changing and automatic cleaning.
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