China Extruder Screw Barrel for Plastic Extruder

Extruder screw and barrel for plastic extruder

base Material1)38CrMoAlA(JIS SACM645)
2)Cr12MOV(JIS SKD-11)
3)4Cr5MoSiV1(JIS SKD-61) 4)42CrMo(AISI 4140)
5)9Cr18MoVBimetallic Alloy Materials1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide Designing
Screw structure and compression
ratio can be designed according
to different products & different
clamping force requirement.Treatment Technology1)Longer time Gas Nitriding treatment
2)special anti-wear & abrasion alloy (bimetallic)
3)tungsten carbide
4)cobalt base alloy
5)stainless steel
6)Gh113 nickel based alloy
Treatment
Nitriding treatment(>100 Hours)
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: >950Hv
Hard Chrome Plating treatment:
Thickness of Hard Chrome Plating Layer: 0.03-0.06mm
Hardness of Hard Chrome Plating Layer: ≥950HV
Nickel alloy plating.treatment:
Bimetallic Barrel Centrifugal Casting (Inlay Alloy)
Bimetallic Screw: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC 62-72 Material Application1)General Plastics
2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc
3)PA + GF(Glass Fiber)
4)Flame-resistant Reinforced Plastics
5)Modified Engineering Plastics
6)All kinds of Mixed Recycled Material(in Scrap or Granule),etcBasic InfomationL/D =10-50
Screw Diameter: Φ20-Φ500mm
Surface Roughness :Ra0.4um
Linearity of the screw: ≤0.015mm
Linear axis limit: ≤0.02mm
Nitriding treatment, surface hardness: HV≥900-1000
Fragility of Nitration:≤Two gradeWarranty period2-4years(Depends on the plastic raw materials)
Bimetallic: much longer lifetime.CompetitiveEdge1 .Long lifetime,low energy consumption.
2. Wonderful plasticizing
3. Top-quality bimetallic screw and barrel
4. High wear resistance, resistance to corrosion
5. Fast and On time delivery
6. Best customer after-sale service!

We can manufacture various kinds of screw barrels according to the customer's requirement
What is the packaging?
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one package
Payment: T/T, Western union, moneyGram and so on.
Our office:
1 Our Strength: We have an experience of more than 20 years of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design, enhancing service and after service.
2 Our products: Screws Barrels for Injection, Extrusion, and Blow Molding applications; Relevant accessories(such as die head, gearbox, filter screen changer and so on); Plastic processing machinery.
3 Location advantage: Located in -Ruian Town in Wenzhou City, near to Ningbo Port and Shanghai Port.
4 Market areas: Global sales network reaching South America, Eastern Europe, Southeast Asia, Africa, Oceania and the Middle East etc. Welcome to visit our company.
FAQ:
Q1: What's your biggest concern?
A: Q------qulity more than 20 years' expierence + professional high technology production
Team + strict product inspection = high qulity
P------price large scale production + full set of independent production = reasonable price
Q2: Guarantee time and after-sale?
A: One year guarantee time, after one year, we have professional after-sales department
More question, pls feel free to contact us!

1. We have long history and experience working in the field2. We have the most advanced equipments and technique in our industry3. We have professional engineers and staffs4. We have 100% quality ensure system and 24hours after-sale service system5. We own two lands of workshop, covering 5000cbms.