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
Experienced manufacturer, we will be the best choice.
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
Experienced manufacturer, we will be the best choice.
| Technical parameter: | |
| 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 |