Name: Plastic high speed screw/shaft and barrel/cylinder bimetallic
Brand: Qunying Screw
Availability: InStock

Product Details

Product Description

To all our old or new friends:

Thanks for your visiting.Qunying screw, our is one of the best machinery parts supplier in China.We cooperate with many machine factories.We produce screw and barrel over 10 years in China,rich experience in producing or designing.Choose Qunying, you best choice!

Technical P arameters for shaft and barrel:

Diameter: Ø15-Ø300

L/D ratio:15-55

Or other according to requirement, we are rich experience in producing and designing!

Product	Plastic high speed screw/shaft and barrel/cylinder
Material	38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140) Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61)
Nitrided Hardness	HV900°~1000°
Hardness after hardening and tempering	HB260 °
Nitrided Depth	0.5~0.7mm
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	0.8~3.0mm
Alloy hardness	HRC56°~65°
Alloy(bimetallic)	iron,nickel,tungsten,molybdenum
Types of screw barrel	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.

Scope of application

WPC sheet,pallets,pinch,pipe,profiles,soft pvc,pvc foam sheet,film,tape,recycled,tape tube,water pipe,drainage pipe,etc.

For good plasticizing effect,we have different designs of screw and barrel for extruder or injection to meet customer's demand.Our factory manufactures with high-quality material, applying the method of hardening and tempering and nitriding, thus it enjoys the characteristics of long working life, wear resistance, and anti corrosion. Besides, the technique of hard alloy spraying or chrome plating can be used on the working surface of screw, which will make it have better using effectiveness.

Packaging & Shipping

Our Services

Our advantages:

1. Screw and barrel for various models

2. Professional engineers design for you

3. Over 10-year exprience in this line

4. Insist on developing screw and barrel for more injection and extruder machine models

5. Main market: Southeast Asia,Eastern Europe, Africa