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The chill roller can quickly cool the melt in a viscous flow state below the glass transition temperature after breaking through the diehead quickly, forming a glassy cast sheet with uniform thickness. The purpose of quenching is to make the thick sheet form an amorphous structure and reduce its glass transition temperature as soon as possible. Therefore, there are two very important request for the chill roller: firstly, surface temperature must be uniform and the cooling performance must be good; secondly, the quenching roller must be uniform and stable. Cooling water at about 30°C is circulated internally to assure that the chill pieces are cooled to below 60°C.
Production Crafts of Chill Roller for Bi-oriented Strech Film:
Double-shell construction type 2OS
Inner and outer tube from S355
Flow-System:channels between inner and outer tube separated with welded leading spirals
Disc/Shaft construction: Shrinked and welded shafts and side discs from Q345B
Surface: chrome-coating, ceramic-coating, anti-sticking coating
cylinder form <=0.1mm Out of roundness <=0.1mm
Dynamic balancing G2.5
Except Chill Roller, We can also offer : Water Tank Fluted roller, Stripping Roller,Dehyration Roller,MDO Preheating roller,MDO Stretching Roller,Flame Roller ,Gravure Roller,Pull roller,Vacuum Suction Roller,Corona Treater Roller,Corona Treatment Nip Roller,Carbon fiber floating roller, MDO Nip Roller, carbon fiber contact roller, carbon fiber tension roller,Carbon Fiber Slitter Roller, Spreader Roller,one-stop roller solution for Bi-Oriented strecth film, feel free to contact us
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Main Product:
Industrial Gearboxes,
Gear Reducers,
Electric Motor,
Roller for Plastic Film & Sheet,
Bearings ,
Gear motors
