Extrusion Screw Barrel extruder screw barrel plastic machinery components
Specification:
Screw Diameter: Ø 15- Ø 300
L/D ratio: 15-46
Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc.
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)4Cr5MoSi V1 (JIS SKD-61)
(4)9Cr18MOV
(5)HPT
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
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Warranty and service: 1 year
Focus on quality and service
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![Extrusion Screw Barrel Extruder Screw Barrel Plastic Machinery Components](//image.made-in-china.com/226f3j00EtdTbkOygQqu/Extrusion-Screw-Barrel-Extruder-Screw-Barrel-Plastic-Machinery-Components.webp)
![Extrusion Screw Barrel Extruder Screw Barrel Plastic Machinery Components](//image.made-in-china.com/226f3j00TtwaqMyJhEbg/Extrusion-Screw-Barrel-Extruder-Screw-Barrel-Plastic-Machinery-Components.webp)
Technical parameter: |
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Nitrided layer depth: | 0.5-0.8mm |
Nitrided hardness: | 900-1000HV |
Nitrided brittleness: | Less than grade 1 |
Surface roughness: | Ra0.4 |
Linearity of screw: | 0.015mm |
Hard-chrome plating hardness after nitriding: | ≥ 950HV |
Chrome-plating layer depth: | 0.025-0.085mm |
Bimetallic layer depth: | 3mm |