Dould twin screw barrel

Choose HuaChen Screw,is your best Choice!
For good plasticizing effect,we have different designs of extruder twin screw barrel to meet customer's demand.
We have Gradual type, Mutant type, Wave type, Barrier type, Double barrier type, Shunt type, Separation type, Exhaust type, Pin type, Mixed type, Doubel-head type, Three-head type, Multi head.

Our Product show:

Our conical twin screw barrel could apply for:
WPC,PVC,WPC PE,Super high molecular sheet,buckle,pipe,profile,XPS-PVC,soft PVC sheet etc.

Our product show:

Technical parameters:

Hardness after Hardening&tempering:	HB280-320
Nitrided Hardness:	HV900-1050
Nitrided Case Depth:	0.5-0.8mm
Nitrided Brittleness:	Less than Grade 2
Surface Roughness:	Ra 0.4
Screw Straightness:	0.015mm
Surface Chromium-plating's Hardness After Nitriding:	≥900HV
Chromium-plating Depth:	0.025~0.10mm
Alloy Hardness:	HRC56-65
Alloy Depth:	0.8~2.0mm

Half finished screws waiting for mill


Milling the screws


Screws waiting for nitrided and bimetallic


Half-finished barrels


Processing barrels


One corner of our barrel processing workshop


One corner of our screw processing workshop


One corner of our nitrogenation oven workshop


One corner of our Heat-treatment workshop


Our workman is polishing the screws carefully


Our workman is polishing the screw carefully


The front of our company

One of our workshop buliding (we have two workshop building)


About us:
HUACHEN screw has to be at the eastern coast of China, land and sea transport facilities, covering all over the country and exported to Europe and Asia more than a dozen countries and regions, widely praised by users. Choose HUACHEN,Is choose the best service and Best quality!