extruder screw barrel/conical twin screw barrel design for wpc

extruder screw barrel/conical twin screw barrel design for wpc, material: 38CrMoAlA,bimetallic layer, processed to drawing - details see: https://www.machineto.com/extruder-screw-barrel-conical-twin-screw-barrel-design-for-wpc-10334899

Place of Origin:Zhejiang China (Mainland)	Brand Name:BOHAI	Model Number:65/132	basic material:38CrMoAlA,bimetallic layer
type of screw:Conical twin screw barrel	Depth of Bimetallic Layer:>=2mm	Hardness of Bimetallic Laye:HRC55°-72°	Appliance:pipes sheets, wpc profiles etc
plastic processed:pp pe pve,pet abs.wpc	Machine:extruder	Warranty:Common 1-2 years,bimetallic is longer

Specification

45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188

The above are standard specifications, we can customize according to customers' requirements.

Product	Bimetallic twin conical screw and barrel
Hardness after hardening and tempering	HB260°~320°
Nitrided Hardness	HV950°~1000°
Nitrided Depth	0.50~0.7mm
Nitrided Brittleness	above 2 stage
Surface Roughness	Ra0.4
Screw straightness	0.015mm
Hardess of surface chromium-plating after Nitriding	HV≥950HV
Chromium-plating Depth	0.05~0.10mm
ALLoy Depth	0.8~2.0mm
Alloy hardness	HRC56°~65°
Alloy	iron,nickel,tungsten,molybdenum
Types of screw	Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.

Base Materials:

1)38CrMoAlA(SACM 645)

2)42CrMo(AISI 4140)

3)Cr12MoV(SKD11)

4)4Cr5MoSiV1(SKD61)

5)9Cr18MoV

6)40Cr

Bimetallic Alloy Materials:

1)Fe-based alloy

2)Ni-based alloy

3)Co-based alloy

4)Tungsten carbide

Processing Technology:

Heat treatment

High-frequency quenching

Nitriding treatment

Hard-chrome electroplating

Bimetallic alloy welding

Bimetallic alloy centrifugal casting

we could manufacture all kinds of screws and barrels according to the customer's requirement.

Our screw and barrel can ensure high performance and low energy consumption for extruder machine.
What's more, we can supply the most optimum designs of screw barrel with your requirements.