YR-203 (INNER TYPE)
Acquired Korean Patent(#0217824) in 1993.
Suitable for the thinnest material (4~20 microns)
Best accuracy with minimized rolling and yawing, by most precise design.
2 sets of lugs(3+3) will expand in turns.
First set will sustain core at center point, then second set with narrow rubber will grip carton.
This narrow rubber lug set will do slipping work to control tension.
Each cartons will constantly slip even diameter tolerance of each catron is high because of thin rubber lugs.
minimum slit width : wider than 4mm
web weight : 50~100 kg
line speed : max. 1000m/min