- Model NO.: Screw barrel Bimetallic
- Plastic Processed: PVC
- Automation: Automatic
- Screw Barrel: Bimetallic Single Screw for Injection Molding
- Trademark: Zhongyang
- Specification: ISO 9001: 2008
- HS Code: 84779000
- Type: Pipe Extruder
- Screw: Twin-Screw
- Computerized: Computerized
- Application: Injection Molding Machine
- Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
- Origin: Zhoushan, China
Screw diameter: 15mm-300mm
Maximal length: 8000mm
Barrel inner diameter: 15-300mm
Maximal length: 4000mm
Different bimetallic alloys are available for different raw materials.
1. Tungsten carbide screw and barrel
2. High output
3. Low power
4. Low noise leve
Application: Injection molding machine, extrusion
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)9Cr18MOV
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
Experienced manufacturer, we will be your best choice.
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| 90mm bimetallic twin parallel screw barrel for compounding machine | |||
| Diameter | Φ15mm-Φ350mm |  Designing  |
Screw structure and compression ratio can be designed according to different products  & different output requirement.  |
| Materials | 38CrMoAlAÂ (JISÂ SACM645) SKD61 |
 Application | PVC plate, pipe, profile, pellet and mould, at the same time, it solved the technical problem of low foaming, high foaming, high filling, wear and corrosion. |
| Nitride Case Depth | 0.5mm-0.8mm | Technology | 1)Longer time Gas Nitriding treatment 2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide 4)cobalt base alloy 5)stainless steel 6)Gh113 nickel based alloy  |
| Nitride Hardness | 950-1020HV | Packing | Wrapped up by film in wooden |
| Nitride Brittleness | ≤Grade One | Payment Term | T/T , L/C |
| Surface Roughness | Ra0.4um | Delivery Term | 25 working days |
| Screw Straightness | 0.015mm | Port Departure | Shanghai/Ningbo |
| Alloy Hardness | HRC58-62 | Min. Order | 1 set |
| Alloy Depth | 0.5mm-0.8mm | Common Nitrided:2.5-4years Bimetallic: much longer lifetime. |
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| Guarantee | |||
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