Barrel and Screw Plastic Extrusion Machine Compounding Co-Rotating
Parallel Twin Screw Extruder Bimetallic Screw Barrel
Descriptions
Material of Screw and Barrel:
| Raw Material | The Finished Product Processing Requirements |
| 38CrMoAlA, SACM645, 42CrMo | Nitriding Treatment |
| 42CrMo, AISI 4140 | Chrome Plating Hardness Layer |
| 4Cr5MoSiV1, SKD-61, SKD-11 | Spraying Bimetal Alloy Layer And Nitriding Treatment |
| HPM38, SI36, SUS440, 9Cr18MoV | Stainless Steel(Iron), High Frequency Quenching |
| GHII3 | Nature Harden After High Temperature |
Standard screw elements and barrels
Twin screw barrel is gradually adopted by many manufacturers
because of its high efficiency. Compared with single screw barrel,
twin screw barrel has higher requirements for machining clearance.
Our company has a professional team to help users solve design
problems, and can also process according to the samples or drawings
provided by customers.
injection screw barrel and bimetallic injection screw and barrel by
materials 38CrMoAlA or 42CrMo and so on,for many type of injection
mould machines,such as HAITIAN,CHEN HSONG,JSW,HAITAI,BRCHO,and so
on.
1. Diameter of screw: D12-D300mm
2. L/D ratio of screw: 10 - 26
Grade available:
1. Standard grade: 38CrMoAlA + nitriding 96 hours
2. Bimetallic grade: 38CrMoAlA + bimetallic alloy
3. TC-A grade: Tungsten carbide 35%
4. TC-B grade: Tungsten carbide 25%
5. TC-C grade: Tungsten carbide 15%
We can satisfy your different material needs:
According to appearance design,Closed Barrel,Feeder Barrel,Side
Feeder Barrel,Venting Barrel,Combi Barrel.
According to the liner,With liner barrel,Without liner barrel.
According to Materical,
-For wear application:C liner;Cr26;Cr12MoV;W6Mo5Cr4V2;
-For corrosion application:38CrMoAla;Hac alloy;
-For wear and corrosion application:Nickel based
alloy;316L,304;WR13,SAM26etc.
Through the understanding of customers,recommend the most valuable
material
Application:
Rubber,various high glass fiber, mineral fiber and PPA,PPS, PA66,
LCP,VO fire protection, ferrous power, magnetic powder and etc.
Treatment:
Heat-treatment
Nitriding treatment
Electroplate hard-chrome
High-frequency quenching
Spraying corrosion wear-resisting dual metal layers
Vacuum quenching
Bloom supplies cylinder barrel suitable for the following extruder
products lines :
-APV -KOBE -OMC
-Buhler -KraussMaffei -Theysohn
-Buss -Berstorff- -Toshiba
-Clextral -Labtech -USEON
-Lantai - others
-JSW -Leistritz
-Keya -Maris
Types of Barrels
Standard for classification: Design geometry Standard for classification: With inner or not
* Feeding barrel * Solid barrel
* Closed barrel * Barrels with inners
* Vent barrel
* Combi barrel
* Extended degassing barrel
* Combi barrel with backward venting
We offer a broader choice of materials:
Solid barrels
*Nitrided steel barrels *Tooling steel barrels *Bimetallic
Barrel with installed inner
* made of PM-HIP solid *WR13
By working closely with customers in choosing optional materials,we
can minimize wear and tear and associated costs.
