Min. Order: | 1 Set/Sets |
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Payment Terms: | L/C, T/T, WU |
Supply Ability: | 500 sets/month |
Place of Origin: | Zhejiang |
Location: | Zhoushan, Zhejiang, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Nitrided Feed Screw Barrel, Extrusion Screw And Barrel, Bimetallic Screws And Barrel, Twin Screw And Cylinder, Parallel Twin Screw Barrel |
Model No.: | QY-SB003 |
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Means of Transport: | Ocean, Air, Land |
Brand Name: | QunYing |
Power: | 4-150KW |
parallel twin screw & barrel: | parallel twin screw & barrel |
Surface roughness: | Ra0.4um |
material: | 38CrMoAlA(JIS SACM645) 42CrMo(JIS SCM440) |
Screw barrel Nitriding time: | More Than 120 Hours |
Nitrided layer depth: | 0.5-0.8mm |
Application: | Proflie,PVC/PE/PP Granules/profiles/Foaming |
Certificates: | GB/T19001-2008/ISO9001:2008/SGS |
Bimetallic: | Fe-based,Ni-based,Tungsten Carbide(Wc) |
treatment: | spraying corrosion wear-resisting dual metal layers |
gurantee: | 2-4 years |
Production Capacity: | 500 sets/month |
Packing: | wooden case(export standard) |
Delivery Date: | within 20 days after order confirmed |
Technical Parameter |
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 |
Technical Parameter | |
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 5)Tungsten carbide/Wolframcarbide |
Double-alloylevel | Level A - containing Tungsten of40% Level B - containing tungsten of 25% Level C - containing tungsten of15% |
Surface Treatment | Heat 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 information | Roughness of thesurface:Ra0.4um Linearity of the screw: ≤0.015mm Linear axis limit:≤0.02mm Hardness afterHardening & Tempering: HB240-280 Fragility ofNitration:≤Twoclass |
Material Application | 1)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 |