- Contact Person : Mr. He Wei
- Company Name : Zhoushan Dinghai Jiawei Plastic Machinery Factory
- Tel : 86-580-8055072
- Fax : 86-580-8053154
- Address : Zhejiang,Zhoushan,No.2 Development) Zone Xingang Road,Jintang Zone,Dinghai District,Zhoushan City,Zhejiang
- Country/Region : China
- Zip : 316032
Rubber screw and barrel
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Rubber screw and barrel
• Material :quality alloy steel
•1. 38CrMoALA(JIS SACM645)
•2. 42CMo(JIS SCM440)
•3. 9Cr18MoV
•4. CW6Mo5Cr4V2
•Heat-treatment:
•Nitriding treatment
•Electroplated hard-chrome finish
•High-frequency quenching
•Spray coating Bimetallic-alloy
•vacuum quenching
1.Injection molding machine | Clamping force:250kn-3,2000kn |
2.Single screw extruder | Screw diameter:15mm-360mm |
LD ratio:15-46 | |
3.Conical twin screw extruder | Screw diameter:25mm-92mm |
4.Counter rotating parallel twin screw | Screw diameter:50mm-200mm |
L/D ration:16-35 | |
5.Co-rotating twin screw extruder | Screw diameter:25mm-120mm |
Steel Material | DIN 41CrA1Mo7 / AST M4140/38 CrMoAIA |
Heat Treatment | Tempered and nitride, nitride depth: 0.4mm – 0.7mm |
Surface hardness: | HV800 – HV1, 050 |
Chromate plating: | Thickness 0.05 mm – 0.10 mm, hardness HV950 |
Special treatment: | Carbide coating (screw flight) and bimetallic barrel |
Screw straight tolerance | 0.015 mm/m |
Surface roughness | Ra 0.4μm |
