conical twin screw and barrel

Price: 100.0~5000.0 USD
Payment Terms: T/T,L/C,D/P
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Basic Info.
  • Brand Name: QunYing 
  • twin screw and barrel: twin screw and barrel 
  • material 1: alloy-steel of high quality 
  • material 2: 38CrMoAlA(JIS SACM645) 
  • material 3: 42CrMo(JIS SCM440) 
  • treatment 1: heat-treatment 
  • treatment 2: Nitriding treatment 
  • treatment 3: Electroplate hard-chrome 
  • treatment 4: high-frequency quenching 
  • treatment 5: spraying corrosion wear-resisting dual metal layers 
  • reatment 6: vacuum quenching 
  • Model No.: all size 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 300 sets/month
  • Packing:wooden case(export standard)
  • Delivery Date: within 20 days after order confirmed
Established inthe year 2003, we, "Zhoushandinghai QUNGYING machinery" are engaged in manufacturingand supplying a diverse range of Screw & Barrel andmachines. These products are precision engineered using the bestquality raw material that we procure from a trusted vendor base.
Our dedicatedteam of professionals ensures that we produce only defect-free products so ascater to the long list of clientele. We possess great process knowledge fordesigning different set of products according to the specific requirements ofour customers. Besides, our team members work in complete synchronization withthe clients for meeting their varied industry needs and demands
Someof the highlighting features of our range include:
·            Reliable
·            Less maintenance required
·            Corrosion and rust resistant
·            Abrasion resistant
·            Precision engineered
·            Long-lasting
·            Able to withstand extreme operational conditions
Within a shortspan of time, we have hired a highly talented team of professionals, which iscommitted towards producing and supplying high quality products. This team isvastly experienced and skilled to perform different tasks in the organization.In addition to this, our team maintains amicable relations with the patrons soas to understand their application needs and work accordingly. This teamincludes the following professionals:
·            Engineers
·            Technocrats
·            Quality controllers
·            R&D scholars
·            Warehousing & packaging personnel
·            Sales & marketing experts
·            Administrative staff
conical twin screw and barrel
Quality Assurance
Quality is ourmain forte and we follow varied industry policies for achieving it. Furthermore,our quality consciousness has ensured that we manufacture premiumquality Screw & Barrel andmachines for the clients. We conduct various quality testson our range that start from the time of procuring raw material till the finalsupply of products. Apart from this, our quality controllers continuously checkthe entire range on different parameters so as to ensure its defect-free nature.Our quality testing laboratory is well-equipped with modern machines andtechnology that are necessary for bulk production.
Research and Development
Research is anintegral part of our organization and, we have established a separate R&Dunit. This unit is installed with sophisticated machines and technology that areessential for managing the varied research processes. Furthermore, our researchscholars conduct various market surveys so as to continually improve the qualityof the range of Screw & Barrel andMachines. This team also makes sure that this range isregularly updated according to the current market scenario. Moreover, ourresearch scholars work hard towards introducing new products in the existingrange.
conical twin screw and barrel
We owe ourenviable position in the industry to the client-centric approach followed by us.Further, we have mustered a huge clientele, owing to our impeccable rangeof Screw & Barrel andMachines. We have always maintained amicable relationswith our patrons and targeted the business philosophy towards meeting theirchanging specifications. Besides, our team members work in close coordinationwith the clients for comprehending their application requirements. All ourconsignments are timely delivered to the customers as per theirnecessities.
Screw diameter:Φ15mm-Φ360mmL/D=15-56
Length of screw and barrel/cylinder:8000mm
According to different material and plastic products to designdifferent screw structure ,compress rate and L/D!
According todifferent material and plastic products to design different Barrel with exhaustsystem and IKV force load system!
As per customers' demand,we can supply below:
PVC/PEFilm Blowing Screw; Blow Molding Screw; PS/PE/PP/ABS Sheet Extrusion Screw; PEAluminum Plate;PPR Pipe Screw;EVA Extrusion Screw;HDPE High efficiency Screw;PETStraps Screw;XPS/EPE Foamed Screw;Granulation Screw,Vented single screwetc!
Technical Parameter
1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JISSKD-11) ;
3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI4140)
Bimetallic AlloyMaterials1)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%
SurfaceTreatmentHeat 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
BasicinformationRoughness of thesurface:Ra0.4um
Linearity of the screw: ≤0.015mm
Linear axis limit:≤0.02mm
Hardness afterHardening & Tempering: HB240-280
Fragility ofNitration:≤Twoclass
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 screw and barrel are the important parts for plasticextruders and injection molding machine,they affect the machine performance andquality directly,therefore,QunYing established quality control system strictlyas ISO 9001:2008 International Quality System, our every production process isunder strict inspection , Those provides solid foundation for ourquality products!What we need to do is to make sure best quality of each screwand barrel.Till now,our screw and barrel has been sold to more than 40 countriesin the world and enjoy a good reputation by our customers!
What is ouradvantage:
first one:Cretive in designs,our designing team is verystrong,since we have unique culture to motivate them,in order to meetrequirement,we work closely to our customer and market!
Second one:We have over 10 years' experience ofmanufacturing varied screws, barrels and accessories.We are keeping improvingour production stytem day by day on the delievey,quality control,all the effortshave improved the customers satisfaction!
Third one: advantageous geographical position .We arelocated in China's screw Town-Jintang,Town which is in zhoushan city,near toNingbo Port and Shanghai Port!
Alloy-steel of high-quality
1)38 CrMoAIA(JIS SACM645)
2)42CrMo(JIS SCM440)
3)9 Cr18MoV
7)Nitriding treatment
8)Electroplate hard-chrome
9)High-frequency quenching
10)Spraying corrosion wear-resisting dual metal layers
11)Vacuum quenching
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.
Steel Material DIN 41CrA1Mo7 / AST M4140 / GB38CrMoAlA
Deepness of Nitriding Layer 0.7 mm -0.9 mm
Hardness of Nitriding HV900 - HV1,000
Nitriding Brittleness ≤Grade 1
Chromate plating
Thickness 0.05 mm - 0.10 mm, hardnessHV950
Special treatment
Carbide coating on screw flight and bimetallicbarrel
Screw straight tolerance 0.015 mm/m
Surface roughness Ra0.4μm
Part of Our ProductionDepartment
conical twin screw and barrel
conical twin screw and barrel
conical twin screw and barrel
conical twin screw and barrel
conical twin screw and barrel
conical twin screw and barrel
conical twin screw and barrel
conical twin screw and barrel
conical twin screw and barrel
conical twin screw and barrel
Our Certificate(ISO &SGS)
conical twin screw and barrel
conical twin screw and barrel
Great Service is OurMission
High Quality is OurObligation
Customer First,Contact UsNow!

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Ms. Feiying.Fang
Tel: 86-580-8340889
Mobile: 86-18205803693
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Contact Method
Zhoushan Qunying Plastic Machinery Manufactory
No.169,Xindao East Road,Jintang, Zhoushan, Zhejiang, China (Mainland)
Fax: 86-580-8342296
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