A bimetallic barrel is casted on the inwall with a 2-3mm alloy lay-out,which is wear-resisting\anti-corrosiveand anti-high-temperature.Its effective life has been highly improved compared with ordinary nitriding barrel.The bimetallic barrel is with particular speriority in processing engineering plastics\fluorinated plastic\polysulfone\PPO and other special plastic.Bimetallic alloy and welding method shall be varified according to all kinds of functional screws and barrels.
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!
4)Quality Duplex Stainless Steels
5)Quality Powder Metallurgy Raw Materials
6)Cold/Thermal Spray Hard Metal process
7)Advanced nitriding Process
8)Corrosion & Abrasion Resistance Bimetal Spraying Process
€ technology Specification of bimetallic screw barrel for plastic extruder
7)Surface Chromium-Plating's Hardness After Nitriding:≥900HB
€The foreign material we used as following
*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|
Our bimetallic screw barrel for plastic extruder is good in quality and competitive in price. We manufacture bimetallic screw barrel for plastic extruder and supply all size of screw barrel according to your requirement.
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.
|Base Material||1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JISSKD-11) ; |
3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI4140)
|Bimetallic Alloy Materials||1)Fe-based alloy2)Ni-based alloy/Deloroalloy |
3)Co-based alloy4)NiCo-based alloy
|Double-alloylevel||Level A - containing Tungsten of40% |
Level B - containing tungsten of 25%
Level C - containing tungsten of15%
|Surface Treatment||Heat Treatment |
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
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 information||Roughness of thesurface:Ra0.4um |
Linearity of the screw: ≤0.015mm
Linear axis limit:≤0.02mm
Hardness afterHardening & Tempering: HB240-280
|Material Application||1)GeneralPlastics |
3)PA + GF(GlassFiber)
4)Flame-resistant Reinforced Plastics
6)All kinds of Mixed Recycled Material(in Scrap or Granule), PVC +30% CaCo3, etc
€ What is ouradvantage
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!
High Quality is Our Obligation
Customer First,ContactUs No
Zhoushan Qunying Plastic Machinery Manufactory
Established in the year 2003, we, "Zhoushan QUNYING plastic machinery" are engaged in manufacturing and supplying a diverse range of Screw & Barrel and machines. These products are precision engineered using the best quality raw material that we procure from a trusted vendor base. Furthermore, the long lasting life, resistance against corrosion, dimensional accuracy, robust construction and economical prices of our range makes it suitable for heavy usage in most of the industrial applications. Our dedicated team of professionals ensures that we produce only defect-free products so as cater to the long list of clientele. We possess great process knowledge for designing different set of products according to the specific requirements of our customers. Besides, our team members work in complete synchronization with the clients for meeting their varied industry needs and demands.
- Company Name: Zhoushan Qunying Plastic Machinery Manufactory
- Representative: Lu Miaojun
- Product/Service: Bimetallic Screw Barrel , Injection Molding Screw , Extrusion Screw Barrel , Tungsten Carbide Screw Barrel , Twin Screw Barrel For Pipe , PVC Screws Barrels
- Capital (Million US $): 300000RMB
- Year Established: 2003
- Total Annual Sales Volume (Million US $): US$2.5 Million - US$5 Million
- Export Percentage: 21% - 30%
- No. of R&D Staff: 5 -10 People
- No. of QC Staff: Fewer than 5 People
- OEM Services Provided: yes
- Contact Person: Ms. LU
- Tel: 86-580-8340889
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