- Model NO.: Extrusion Screw Barrel
- Plastic Processed: PE
- Automation: Automatic
- Screw and Barrel: Single Screw and Barrel for Plastic Extruder
- Specification: ISO9001: 2008
- HS Code: 84779000
- Type: Sheet Extruder
- Screw: Single-Screw
- Computerized: Computerized
- Trademark: ZHONGYANG
- Origin: Zhejiang of China
Specification:
Screw Diameter: Ø 15mm- Ø 300mm
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.
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy
3)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
Nitriding treatment
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
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
Bimetallic layer depth: 3mm
Warranty and service: 1 year
Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly
Experienced manufacturer, we will be the best choice.
| Â Technical parameter: | |
| Â Nitrided layer depth: | Â 0.5-0.8mm |
| Â Nitrided hardness: | Â 900-1000HV |
| Â Nitrided brittleness: | Â Less than grade 1 |
| Â Surface roughness: | Â Ra0.4 |
| Â Linearity of screw: | Â Â 0.015mm |
|  Hard-chrome plating hardness after nitriding: |   ≥ 950HV |
| Â Chrome-plating layer depth: | Â 0.025-0.085mm |
| Â Bimetallic layer depth: | Â 3mm |
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