Apex Digital Graphics

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A closer look at some advanced Ryobi features
Ryobi LED UV

LED UV

Ryobi is the first printing press manufacturer to put LED-UV curing to practical use, and has been delighted with the reaction of the market and the interest shown in this product to date. The LED-UV curing unit replaces conventional UV lamps with long-life UV light-emitting diodes (LED's), cutting power consumption by at least 70%. Drying times are shortened, speeding up job completion, whilst the light source should last as much as twelve times longer than conventional lamps. The system generates minimal heat and no ozone, providing a real environmental plus, and eliminating the need for exhaust equipment to handle both heat and ozone.

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 channelling 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.The LED-UV unit is now available for the two-up Ryobi 520 Series press, the B2+ format 750 Series, and the eight-up Ryobi 920 Series press. The LED-UV curing concept was awarded with the Nippon (Japan) Brand Prize at the 39th Machine Design Award competition in 2009.
  • Efficient light emitting diodes
  • Uses up to 70% less power
    than conventional UV
  • 12 x longer lamp life
  • Ozone free
    		•  nip1Ryobi's LED UV system won the 2009 Nippon Brand Prize at the 39th Machine Design Competition
    sponsored by the Nikkan Shimbun (Business and Technology Daily) in Japan
    INLINE UV CASTING AND FOILING
    holo The need for added value has never been greater as print companies become increasingly competitive and look for ways to differentiate themselves. Holographic coating and foiling are increasingly being used to print packaging for cosmetics and luxury goods, and to achieve unique effects for book and magazine covers. Responding to this trend, Ryobi has developed a new UV casting and foiling system for the Ryobi 1050 and 750 series machines. Ryobi's system uses various types of holographic coating and foiling in-line.

    holo750
  • Can be accomplished inline during printing
  • Space saving installaton
  • Several film patterns are available and custom designs are possible. Film can be rewound and used several times
  • The coating unit is used to apply glue for foiling and increase adhesive strength to the foil
  • The UV lamps of this system can be used for the delivery section. Replacement is easily accomplished in about 3 minutes.
  • The lamp unit remains in a raised position when not being used
    		•
    UV Holographic coating process
    The relief texture and pattern of the film are transferred to the UV varnish, then the printed surface is cured by UV light to produce the holographic effect
    holo1
    The printed sheet is coated with UV varnish    		 hol2
    A holographic coating film is adhered to the surface of the varnish coating before curing, then the film is irradiated by UV light    		 hol3
    The detailed relief texture and pattern of the film are accurately formed to the varnish coated surface
    UV foiling process
    After applying UV adhesive with a printing or coating unit, the printed surface is covered with a film based foil. It is then irradiated with UV light so the foil firmly adheres
    holo1
    The printed sheet is coated with UV varnish    		 hol2
    A holographic coating film is adhered to the surface of the varnish coating before curing, then the film is irradiated by UV light    		 hol3
    The detailed relief texture and pattern of the film are accurately formed to the varnish coated surface

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