Why screw slip when using Lab twin screw extruder?
1.Back pressure is too high
2.Abrasion of screw or barrel
3.The second half of barrel too hot/cold
4.Hygroscopic material
5.Improper use of the feeder 

6.The reverse ring faul

Hartek is manufacturer,supplier&exporter of Lab single screw extruder, Lab twin screw extruder, Lab film blowing machine, Mni 3D printer filament extrusion line, Lab cast film extrusion machine, Lab two roll mill, Lab banbury mixer,Hot-melt extrusion line etc.