factory low price Extruder Molding Machine Screw - Various kinds of rollers shown in Chinaplas – Jwell

Used in CPP, LDPE, LLDPE cast film production. Using a unique double-layer spiral runner design, cooling better, more stable product quality, higher capacity. 
Product parameters are as follows:
1, Cylindricity, concentricity tolerance accuracy: 0.01mm
2, Roll surface roughness: Ra0.01
3, The temperature control accuracy: +/- 0.5 ℃
4, Line speed: 160-500m / min
5, Dynamic balance: G2.5 level

Used in PET, PP / PS, PC and other sheet production. The use of thin-walled high-efficiency cooling milling spiral runner design, cooling better, higher capacity. Roller through the enhanced design, to withstand the small amount of high pressure on the variable.
Product parameters are as follows:
1, Clyndricity, concentricity tolerance accuracy: 0.01mm
2, Roll surface roughness: Ra0.005
3, The temperature control accuracy: +/- 0.5 ℃
4, Line speed: 5-30m / min
5, Dynamic balance: G6.3 level