- Model NO.: Injection screw barrel
- Structure: Vertical and Horizontal Composite
- Automation: Automatic
- Trademark: ZHONGYANG
- Origin: China(Mainland)
- Type: Injection Blow Molding
- Plastic Type: Thermoplastic
- Computerized: Computerized
- Specification: ISO 9001: 2008 approved
- HS Code: 84779000
Specification:
Screw diameter: Ø 20mm-Ø 220mm
Mould clamping force: 250T-3200T
Shot weight: 30G-30000G
Technical Information
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
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
Experienced manufacturer, Focus on quality and service.
|
Main Base materials   |
1.38CrMoAlA Â (Nitriding Steel)Â | |
| 2. Â SKD-61 Â Â (Special Tool Steel)Â | ||
| 3.  42CrMo (Ultrahigh Strength  Steel) | ||
| 4. DC53 ( Cold Work  Die Steel)   | ||
| 5. W6Mo5Cr4V2 ( High-Speed  Tool  Steel ) | ||
| 6. HPTÂ | ||
| Â Â | ||
|     Main Alloy Materials |
1.  Ni-based alloy/Deloro alloy | |
| 2.  Tungsten carbide/Wolfram carbide | ||
| 3.  NiCo-based alloy | ||
| 4. Fe-based alloy | ||
| 5. Co-based alloy   | ||
| Â Â | ||
|       Processing Technics |
1. Heat treatment | |
| 2.  Quenching | ||
| 3. Nitriding treatment | ||
| 4.  Bimetallic alloy welding | ||
| 5. Bimetallic alloy centrifugal casting | ||
| 6. Hard-chrome electroplating | ||
| Â Â | ||
|         Technical parameters |
Nitriding layer depth | 0.5-0.8mm |
| Nitrided hardness | HRC56-58 | |
| Nitrided brittleness | Less than grade 1 | |
| Surface roughness | Ra 0.4 | |
| Linearity of screw | 0.015mm | |
| Hard-chrome plating hardness | ≥HRC57 | |
| Chrome-plating layer depth | 0.03-0.09mm | |
| Bimetallic layer depth | 3 mm | |
| Bimetallic layer hardness | HRC58-62 | |
| Above are main technical information, a suitable screw and barrel will be made according to your requirement.  | ||
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