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Zhoushan Qunying Plastic Machinery Manufactory
Zhoushan Qunying Plastic Machinery Manufactory  

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twin screws and barrels 

Price: 175.0~5000.0 USD 
Payment Terms: T/T,L/C,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: QY063
Production Capacity: 300 sets/month
Delivery Date: within 20 days after order ...
Power: 4-150KW
Hardness of nitride layer: HV850-1000
Screw Straihgtness: 0.015mm
Nitrided Case Depth: 0.45-0.7mm
Surface Roughness: Ra0.4
Warranty: Common 1-2 years,bimetallic...
Means of Transport: Ocean,Land,Air
Packing: wooden case(export standard...
Brand Name: QunYing
twin screws and barrels: twin screws and barrels
material: 38CrMoAlA(JIS SACM645) 42Cr...
Nitrided Brittleness: Less Than Grade 2
treatment: Electroplate hard-chrome
Screw barrel Nitriding time: More Than 120 Hours

1.GBT 19001-2008/ISO9001:2008/SGS approved
2.twin screws and barrels of long operating life
3.twin screws and barrels of high quality

QunYing Screw is leading supplier of SCREW and BARREL in china,including designing,manufacturing and sales for these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY, Nippon Steel, Toshiba, Nissei, Mitsubishi and etc. We also can supply all types of screw and barrel according to your different requirements.  
Screw diameter:Φ15mm-Φ360mmL/D=15-56

Length of screw and barrel/cylinder:8000mm

According to different material and plastic products to design different screw structure ,compress rate and L/D!
According to different material and plastic products to design different Barrel with exhaust system and IKV force load system!
Material & Processes of twin screws and barrels
Alloy-steel of High-quality
1)38CrMoAlA
2)42CrMo
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)Quality Duplex Stainless Steels
6)GH 113
7)Quality Powder Metallurgy Raw Materials
8)Cold/Thermal Spray Hard Metal process
9)Advanced nitriding Process
10)Corrosion & Abrasion Resistance Bimetal Spraying Process
technology Specification of twin screws and barrels
1)heat-treatment
2)Nitriding treatment
3)Electroplate hard-chrome
4)high-frequency quenching
5)spraying corrosion wear-resisting dual metal layers
6)vacuum quenching
7)Surface Chromium-Plating's Hardness After Nitriding:≥900HB
8)Chrominm-plating Depth:0.05-0.10mm
9)Alloy Hardness:HRC50-65
10)Alloy Depth:0.8-2.0mm
The foreign material we used as following
*Germanysteel, GH113 ,2250 ,2842 ,1.8509 ,1.442 ,1.6582 ,1.6523 ,1.2080,1.4542,
*USAsteel, P20,420,L6,H13,W110,D3,A2,D6,O1,S1,M35,8620,3115,K52440
*Swedensteel, 718S,718H,S136,S136H,STAVAX,ASP-23,ASP-30
*AustraliaSteel, M202,M300,W302,K460,W300,K900,K100,W321
*Hardnesssteel, YG6X,YG 6A,YG 6,YG8N,YG8,YG8C,YG11C,YG 15,YT5,YT14,YT30
*JapanSteel, SKT 4,YXM 4,YXM 42,SNC 815,SK -3,SKS 3,and etc.
As per customer's demand,we can also supply below:
PVC/PE Film Blowing Screw; Blow Molding Screw; PS/PE/PP/ABS Sheet Extrusion Screw; PE Aluminum Plate;PPR Pipe Screw;EVA Extrusion Screw;HDPE High efficiency Screw;PET Straps Screw;XPS/EPE Foamed Screw;Granulation Screw,Vented single screw etc.
€Conical twin screw &barrel
Φ35/75,Φ37/75,Φ45/90,Φ45/97,Φ50/105,Φ51/105,Φ55/105,Φ55/110,Φ55/120,Φ58/125,Φ60/115,Φ65/125,
Φ65/120,Φ65/132,Φ70/140,Φ75/150,Φ80/143,Φ80/156,Φ92/188.
Technical Parameter
Steel MaterialDIN 41CrA1Mo7 / AST M4140 / GB38CrMoAlA
Deepness of Nitriding Layer0.7 mm -0.9 mm
Hardness of NitridingHV900 - HV1,000
Nitriding Brittleness ≤Grade 1
Chromate platingThickness 0.05 mm - 0.10 mm, hardnessHV950
Special treatmentCarbide coating on screw flight and bimetallicbarrel
Screw straight tolerance0.015 mm/m
Surface roughnessRa0.4μm
If you have any inquiry, do not hesitate to inform us.
twin screws and barrels has been presented above, want more similar products, please click twin screws and barrels.
Our twin screws and barrels is good in quality and competitive in price. We manufacture twin screws and barrels and supply all size of screw barrel according to your requirement.

Technical Parameter
Base Material1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JISSKD-11) ;
3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI4140)
Bimetallic Alloy Materials1)Fe-based alloy2)Ni-based alloy/Deloroalloy
3)Co-based alloy4)NiCo-based alloy
5)Tungsten carbide/Wolframcarbide
Double-alloylevelLevel A - containing Tungsten of40%
Level B - containing tungsten of 25%
Level C - containing tungsten of15%
Surface TreatmentHeat Treatment
High FrequencyTreatment
Nitriding treatment(120Hours):
Depth of Nitrided Layer: 0.5-0.8mm
Hardness of Nitrided Layer: 900-1020Hv(HRC56°-65°)
HardChrome Plating treatment:
Thickness of Hard Chrome Plating Layer:0.05-0.10mm
Hardness ofHard Chrome Plating Layer: ≥950HV
Nickel alloyplating.treatment:
Bimetallic Barrel/Cylinder: Centrifugal Casting(Inlay Alloy)
BimetallicScrew: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC55°-72°
Spraying corrosion wear-resisting dual metallayers
Basic informationRoughness of thesurface:Ra0.4um
Linearity of the screw: ≤0.015mm
Linear axis limit:≤0.02mm
Hardness afterHardening & Tempering: HB240-280
Fragility ofNitration:≤Twoclass
Material Application1)GeneralPlastics
2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc
3)PA + GF(GlassFiber)
4)Flame-resistant Reinforced Plastics
5)Modified EngineeringPlastics
6)All kinds of Mixed Recycled Material(in Scrap or Granule), PVC +30% CaCo3, etc
Quality Certificate:
100%Quanlity Inspection
As the twin screws and barrels are the important parts for plastic extruders machine,they affect the machine performance and quality directly,therefore,QunYing established quality control system strictlyas ISO 9001:2008 International Quality System, our every production process is under strict inspection , Those provides solid foundation for our quality products.What we need to do is to make sure best quality of each screw and barrel.Till now,our screw and barrel has been sold to more than 40 countries in the world and enjoy a good reputation by our customers!

What is ouradvantage
First one:Cretive in designs,our designing team is very strong,since we have unique culture to motivate them,in order to meetrequirement,we work closelyto our customer and market!

Second one:We have over 10 years' experience of manufacturing varied screws, barrels and accessories.We are keeping improving our production stytem day by day on the delievey,quality control,all the efforts have improved the customers satisfaction!

Third one: advantageous geographical position .We are located in China's screw Town-Jintang,Town which is in zhoushan city,near to Ningbo Port and Shanghai Port!

Grade A Qunying parallel twin screw barrel
Grade A Qunying parallel twin screw barrel

Grade A Qunying parallel twin screw barrel

Grade A Qunying parallel twin screw barrel
Products packing
Grade A Qunying parallel twin screw barrel
Grade A Qunying parallel twin screw barrel
Our Certificate(ISO & SGS)
Grade A Qunying parallel twin screw barrel
Grade A Qunying parallel twin screw barrel



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Ms. Feiying.Fang
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Tel: 86-580-8340889
Fax: 86-580-8342296
Mobile: 86- 182 0580 3693
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Company Info

Zhoushan Qunying Plastic Machinery Manufactory [China (Mainland)]


Business Type:Manufacturer
City: Zhoushan
Province/State: Zhejiang
Country/Region: China (Mainland)

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