Item specifics
- Place of Origin:
- Zhejiang, China
- Brand Name:
- Ningbo Grand Step
- Applicable Industries:
- Machinery Repair Shops, Construction works , Injection Molding Machinery
- Application:
- Screw
- Product name:
- Screw Barrel
- Application machine:
- Injecting Moulding Machine
Description
LATEST TECHNOLOGY SCREW AND BARREL FOR INJECTION MOLDING MACHINES
Technical Specifications
Screw diameter: Ø20-Ø220
Mould clamping force: 100KN-35000KN
Shot weight:30-30000G
Screw structure and compression ratio can be designed according to different products and raw material
Base Materials: | 1)38CrMoAlA(SACM 645) |
2)42CrMo(AISI 4140) | |
3)Cr12MoV(SKD11) | |
4)4Cr5MoSiV1(SKD61) | |
5)9Cr18MoV | |
6)40Cr | |
Bimetallic Alloy Materials: | 1)Fe-based alloy |
2)Ni-based alloy | |
3)Co-based alloy | |
4)Tungsten carbide | |
Processing Technology: | Heat treatment |
High-frequency quenching | |
Nitriding treatment | |
Hard-chrome electroplating | |
Bimetallic alloy welding | |
Technical Parameter: | Nitrided layer depth:0.50-0.80mm |
Nitrided hardness: 900-1100HV | |
Nitrided brittleness: Less than 2 level | |
Surface roughness: Ra 0.4 | |
Linearity of screw: 0.015mm/m | |
Hard-chrome plating hardness after nitriding: ≥950HV | |
Chrome-plating layer depth: 0.025~0.10mm | |
Bimetallic layer depth: 2 mm | |
Bimetallic hardness: HRC50-65 |
