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Alloy Materials Twin Screw Extruder Elements For Plastic Machine

Alloy Materials Twin Screw Extruder Elements For Plastic Machine

Brand Name Bloom
Model Number BLM
Certification ISO 9001
Place of Origin Jiangsu,China
Minimum Order Quantity 1pc
Price Negetation
Payment Terms T/T
Supply Ability 1000mm/month
Delivery Time 30 to 45 days
Packaging Details Packing in wooden case
Material 38CrMoAlA,42CrMo,9Cr18MoV
Application Field Household,Agriculture,Industry,Building,Auto parts
Applied Polymers PE,PA,PET,PVC,PC,ABS,PBT,PEEK,Teflon
Screw Treatment Nitrided,Bimetallic,PTA,HOVF,Tool steel,HSS,PM Steel
Reinforced Additives Less than 65% Glass Fibre
Hardness 58-64HRC
Detailed Product Description

Plastic Machine Twin Screw Extruder Screw Segment Screw Element

 

 

1 . Description

Screw element type for each function: Feeding, Melting, Mixing, Venting, Pressurization
Screw Configuration
means a structure composed of different combinations to achieve the desired performance,such as disperse, shear effect, solving the requirements of mixed materials as well as the production stability.
Depending on the nature of work being carried out,there are Intake Zone,Conveying Zone,Melting Zone, Natural Venting Zone,Mixing Zone,Vacuum Venting Zone and Metering Zone.
Different screw elements own different features in different extrusion process,we should choose and design the right screw elements based on different extrusion status in order to optimize the overall comprehensive performance in the extrusion process.

 

 

The cross-sectional area is changed by adjusting the flight lead and thread depth, effectively eliminating sudden cross-sectional deformation and impeding resin pooling and extrusion fluctuations. Our (Barrier Mixer) with its high rolling and chaos effects can be mounted on the barrier outlet and screw tip to further enhance kneading and output rate.

 
 

2 . 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

 

 

3 . Comparsion of the output (LDPE)

Pressure is generated if resin passes over the barrier, forcing any air in the melted resin back to the feed side and effectively preventing the intrusion of air bubbles on the sub flight side. This is highly effective with resins that generate bubbles such as PS, PA, PET and EVOH.

 

 

 

 

4 . Material & Processes of screw barrel for plastic extruder

Alloy-steel of High-quality
1)38CrMoAlA
2)42CrMo
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)Quality Duplex Stainless Steels
6)GH 113
7)Quality Powder Metallurgy Raw Materials
8)Cold/Thermal Spray Hard Metal process
9)Advanced nitriding Process
10)Corrosion & Abrasion Resistance Bimetal Spraying Process

 

 

5 . 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.

 

Product Tags: Alloy Materials Twin Screw Extruder Elements   Segment Screw Element   PE Twin Screw Extruder Elements  
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