Description

Conical twin screw barrel is one of important screw barrel. It have free drying, save energy, high output, extruder speed fast, producing film light more well than ordinary screw and barrel and so on excellent characters.

Size: Screw diameter; *****0mm
Maximum screw length: ****0mm
Barrel inner bore diameter: ø **0mm
Material :
*8CrMoAlA
*0CrMo
*2CrMo
High quality alloy steel
Technology: Nitriding treatment
Alloy coating sparying
Heating treatment
Screw fully hardening
Specification: Depth of nitrition layer 0.**0.8mm
Nitriding treatment, surface hardness: HV≥ *******0
Fragility of nitrition: Less than grade 1
Surface roughtness: Ra 0.4um
Surface of hardness of nitrated Cr coating layer ≥ **0HV
Thickness of Cr coating layer: 0.***0.*8mm
Used for granulation, PP, PE, PA, PC, ABS, AS etc
We can manufacture various kinds of screw barrels according to the customers requirement