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Bimetallic Extruder Screw Barrel With High Performance Backing
1. Descriptions
A bimetallic barrel is highly used for manufacturing and construction process. It looks like a tube and completely filled with a powered metal at both ends. There are different types of bimetallic barrels available that are used for various purposes such as extrusion, injection molding and blow molding machinery. The benefits of using bimetallic barrel are provided a protective wear surface and also improve the wear life. It is specially designed with perfect energy transfer between the backing material and bore.
The amazing features of bimetallic barrels are given below:
1. High performance backing
2. Bimetal construction
3. Bimetallic bore inlay
4. Inseparable inlay bond
5. Instant detection of process condition changes
6. Uniformity of barrel zone temperatures
7. Immediate response to heat and cool commands
8. Effective engineered design
2. Technical Specification
| Design Details | Screw I TYPE:inside is water/oil cooling system II TYPE:outside is oil cooling system Barrel I TYPE:outside is air cooling system II TYPE:out side is copper pipe around cooling system |
| Accessories | Stop ring+washers to adjust the space between screw and barrel |
| Technical Specification | Material:High quality 38CrMoAlA Process:Advanced nitriding & bimetallic process Hardness After Hardening & Tempering:HB280-320 Nitrided Hardness:HV900-1000 Nitrided Case Depth:0.45-0.8mm Nitrided Brittleness:Less than Grade 2 Surface Roughness:Ra 0.4 Screw Straightness:0.015mm Alloy Hardness:HRC 50-65 Alloy Depth:0.8-2.0mm |
| MOQ | 1 set(1 pair of screws and 1 piece barrel) |
| Type | Concial Twin Screw and Barrel |
3. Brief Application
Application: PVC
Production output:130kg/h~150kh/h
Lifetime: 20,000 hours
Old order from: West Europe,East Europe,South America,South Africa,Middle
4. Features:
Accrurate size
High capacity design
Wear resisting material
Easy maintenance
5. Screw&barrel use material
| Raw material | The finished product processing requirements |
| 38CrMoAIA, SACM645 | Nitriding treatment |
| Cr12MoV, Cr12, | Alloy steel |
| 38CrMoAIA, SACM645, 40Cr, AISI4140, 42CrMo | Alloy steel |
| 4Cr5MoSiV1,SKD-61,SKD-11 | Bimetallic of the inner hole centrifugal casting |
| GHII3 | nature hard after high temperature |
