Product Details

Our QunYing screw is the China top 10 injection screw barrel for injection molding.We can provide the best design and the best quality.We have produce and design screw and barrel for injectio mold machinery over 10 years in CHINA.We are the best injection screws and barrels rebuilder/manufacturer.Any inquiry for plastic machine screw barrel, welcome here and I will try my best to satisfy you well with competitive pricesbest quality and service as per your request.

Welcome to visit our factory,we are near SHANGHAI and NINGBO.Welcome to inquire.

1. Diameter of screw: D20-D300mm
2. L/D ratio: 10 - 50
3. Injection amount of screw barrel: 45g - 200g

Material	1.38 CrMoAlA(JIS SACM645) 2.42 CrMo(AISI 4140) 3.Cr12MoV(JIS SKD-11) 4.4Cr5MoSiV1(JIS SKD-61)
Hardness after hardening and tempering	HB260 °
Nitrided Hardness	HV900°~1000°
Nitrided Depth	0.5~0.7mm
Nitrided Brittleness	above 2 stage
Surface Roughness	Ra0.4
Screw straightness	0.015mm
Chromium plating Depth	0.05~0.10mm
Hardess of surface chromium-plating after Nitriding	HV≥950HV
Alloy Depth	0.8~2.0mm
Alloy hardness	HRC56°~65°
Alloy(bimetallic)	iron,nickel,tungsten,molybdenum

Our injection screws and barrels details:

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.

Quality Inspection

We take only first-class steel and check every production procedure to ensure every dimension is produced precisely. A final complete inspection will be executed before dispatch.

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

Want to know more information about our products ?

Warmly welcome to contact us by below ways:

* Skype : zj1584

* Whatsapp/ wechat: +8618205803693

We will be very happy to answer your questions in 24 hours.

As per customers' demand,we can supply below:
Extruder Screw Barrel,PVC/PE Film Blowing Bimetallic Screw Barrel; Blow Molding Conical Twin Screw Barrel; PS/PE/PP/ABS Sheet Extrusion Screw Barrel; PE Aluminum Plate;PPR Pipe Conical Twin Screw Barrel;EVA Extrusion Screw Barrel;HDPE High efficiency Bimetallic Screw Barrel;PET Straps Screw Barrel;XPS/EPE Foamed Screw Barrel;Granulation Coincal Twin Screw Barrel,Vented single bimetallic screw barrel etc!