GL CoaterTraining Sea Dragon PM 4, - 2005 A Technological part B Technical components C Operation D Maintenance E Safety Task of GL Coater Uniform application of fluid in order to: Improve printability改善印刷质量 Improve opacity and gloss 提高透明度和光泽度 Prevent curling and dusting 防止卷曲和除尘 Pigmenting and coating Applicationprinciple 1 backing roll(背辊) 2 roll applicator unit(辊式涂布装置) 3 framing(机架) 4 return system(回流系统) 5 metering beam(刮刀梁) Application principle Metering elements Contour coat涂层轮廓 with metering rod Blade coat Stiff/Bent Blade(硬/软刮刀) Metering rod(计量棒) Design Data GL – COATER STATION Control function hydraulic with roll application system. The coater can be used with rod or blade. Design Data Design Data Web width5650 mm Max. operation speed620 m/min Design speed 700 m/min Design Data Coating machine Dryness before coating machine 93 % Dryness at reel 93 % Coating weight ≤ 12 g/m2 Solid content ≥ 60 % Coating colour viscositiy 350 – 2000 cps (100 rpm, # 4 Spindle, 35°C) Coating metering type rod / Stiff blade Coating drying type Air Dryers (customer′s provision) Coating weight control CD manual MD automatic Design Data Applicator roll Diameter450 mm Face5.860 mm Cover thickness 20 mm Cover material rubber MagnaSize Cover hardness25 P&J Body and journals of steel, caps of cast iron. Design Data Backing roll Diameter1.000 mm Face 5.850 mm Cover thickness25 mm Cover materialrubber, Topcoat Cover hardness70 P&J Body and welded – on journal of steel A Technological part B Technical components C Operation D Maintenance E Safety