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china screw and barrel for injection molding machine

150.0~5000.0 USD
Min. Order: 1 Set/Sets
Payment Terms: L/C, T/T, WU
Supply Ability: 300 sets/month
Place of Origin: Zhejiang

Company Profile

Location: Zhoushan, Zhejiang, China (Mainland)
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

Product Detail

Model No.: QY-S005
Means of Transport: Ocean, Air, Land
Brand Name: QunYing
Power: 4-150KW
screw and barrel for injection molding: screw and barrel for injection molding
material: alloy-steel of high quality
material 2: 38CrMoAlA(JIS SACM645) 42CrMo(JIS SCM440)
Screw barrel Nitriding time: More Than 120 Hours
treatment 1: heat-treatment
treatment 2: Nitriding treatment
treatment 3: Electroplate hard-chrome
treatment 4: high-frequency quenching
treatment: spraying corrosion wear-resisting dual metal layers
treatment 6: vacuum quenching
Production Capacity: 300 sets/month
Packing: wooden case(export standard)
Delivery Date: within 25 days after order confirmed
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Product Description

Material of screw and barrel for injection molding
Alloy-steel of High-quality
1)38CrMoAlA(JIS SACM645)
2)42CrMo(JIS SCM440)
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)SKD61
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
technology of screw and barrel for injection molding
1)Heat-treatment
2)Nitriding treatment
3)Electroplate hard-chrome
4)High-frequency quenching
6)Vacuum quenching

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!
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




If you have any inquiry, do not hesitate to inform us.
screw and barrel for injection molding has been presented above,want more similar products, please click screw and barrel for injection molding.
Our screw and barrel for injection molding is good inquality and competitive in price. We manufacture screw and barrel for injection molding and supply all size of screw barrel according to yourrequirement.
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!
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