BLOOM(suzhou) Materials Co.,Ltd
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Bimetallic / Nitrided Conical Twin Screw Barrel For Extruder
1. Descriptions
Step 1 - Rust Preventing Oil
Step 2 - Casting Film Wrapped
Step 3 - Polywooden Case
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 |