Screw Barrel For Granulation Machine Extruder Single Screw And Barrel Bimetallic
1. Descriptions
Welcome to inquire.We can supply single screw barrel/cylinder parallel twin screw barrel conical twin screw barrel bimetallic screw barrel nitrided screw barrel injection moulding machine screw barrel extruder machine screw barrel rubber machine screw barrel.
Base alloy
38CrMoAlA(JIS SACM645)
Cr12MOV(JIS SKD-11)
4Cr5MoSiV1(JIS SKD-61)
42CrMo(AISI 4140)
Bimetallic Alloy Materials
1)Fe-based alloy 2)Ni-based alloy/Deloro alloy
3)Co-based alloy 4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Surface Heat Treatment
High Frequency Treatment
Nitriding treatment(120 Hours):
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°)
Hard Chrome Plating treatment:
Thickness of Hard Chrome Plating Layer: 0.05-0.10mm
Hardness of Hard Chrome Plating Layer: ≥950HV
Nickel alloy plating.treatment:
Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy)
Bimetallic Screw: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC55°-72°
Spraying corrosion wear-resisting dual metal layers
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 |
Product Tags:
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Single Screw Extruder Barrel For Granulation Machine Bimetallic Images
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