... ). 11,Cooling for three rollers:Adopting condensor outside circulatory system. 12,Traction roller: Adopting positive pole aluminum roller. ... 13,Moving system of three rollers and traction stand: Adopting sprocket wheel ... 15,Winding device: Turnover style winding system ( air expansion shaft) 16,Feeding mode:vacuum feeding system17,Total power: 188kw 18, ...