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UC500 Coating and priming unit

The UC500 coating line is a universal coating/priming unit. It comes as an inline or offline version. Inline versions support all major digital presses. GM delivers the UC500 in both left- right and right-left run direction. Coatings are applied with a flexo graphic station and can be both UV and water based. The UC500 can be equipped with partial varnish, lamination, super gloss and other coating options. For priming synthetics a Corona system is needed. Water based coatings will need a closed chamber option in most cases. The UC500 can be delivered in a “full duplex version” that applies coatings to both sides of the web. The standard 4x1.6 meter UC500 has a more compact sister; The ultra compact UC500L. This light version measures only 2x1.6 meters.



The converting line consists of a UV varnish, lamination/supergloss with length slitting.
Operation can be both inline with a dancer or offline (optional unwind module).
Typical applications are banners, folders, post cards and roll-to-roll printed labels (not die cut).
The line is operated by a touch display and available for web widths of 330mm (~13.0”) or 515mm (~20.3”). The machine can be supplied with rotating length slitting.


  • UV flexo varnish
  • Ultrasonic web guide
  • Pneumatic 76mm spindles
  • Dual 76mm rewind with Ø500mm capacity
  • Optional hot-air for aqua varnish
  • Touch display setting of label quantity per sheet and other job information
  • Automatic register control adjusts for changes in the web speed (cut to mark)

Optional equipment

  • Length slitting knives (rotary top and bottom cutter) max. 6 knives. (Also for retrofitting)
  • Separate unwind section, max. roll diameter 1000mm (~39.4”)
  • Hot-air module for Aqua varnishJogger table for sling stacking
  • Spot varnish 
  • Corona treater 
  • Back scoring / Perforation

Technical Specifications
Specifications Metric Imperial
Web width 100 - 500 mm 4 - 20"
Substrate  60 - 200 µm  
Diameter max. Ø500 mm 19.7"
Core diameter 76,2 or 152,4 mm 3 or 6"
Diameter max. Ø700 mm 27.6"
Core diameter 76,2 or 152,4 mm 3 or 6"
Flexo Station
Orint cylinder size 228,6 - 482,6 mm 9 - 19"
Curing  GEW UV 6 kW  

Spot varnish option (digital sensor register control)

Hot air drying system 11 kW  
Power / Air  3x400V+N+PE, 16A, 6 bar  
Dimensions (WxDxH) 3,8 x 1,5 x 1,7 m  
Exhaust  Ø100 mm, 800 m³/h. Outside  

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All GM Industry 4.0 certified machines are built to be cloud connected for easy remote diagnostics and connection to various production systems (MIS).

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