- Contact Person : Mr. Chen Micheal
- Company Name : Zhoushan Zhuorong Plastic Machinery Co., Ltd.
- Tel : 86-580-8083566
- Fax : 86-580-8083565
- Address : Zhejiang,Zhoushan,No.58 , SanJiang Avenue, Ma Ao , Dinghai, Zhoushan
- Country/Region : China
- Zip : 316015
bimetallic screw and barrel for injection molding
bimetallic screw and barrel for injection molding
Screw Diameter | 15mm-300mm |
Screw Length | L/D ratio 15 - 46 |
Material
1 38CrMoAIA(JIS SACM645)
2 42CrMoV(AISI 4140)
3 Cr12MoV(JIS SKD-11)
Heat treatment |
Nitriding treatment | Electroplated hard chromium coating |
Spray coating anticorrosion | Wear resistant bimetallic coating |
Technical Parameter |
Steel Material | DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA |
Deepness of Nitriding Layer | 0.7 mm -0.9 mm |
Hardness of Nitriding | HV900 - HV1,000 |
Nitriding Brittleness | ≤Grade 1 |
Chromate plating | Thickness 0.05 mm - 0.10 mm, hardness HV950 |
Special treatment | Carbide coating on screw flight and bimetallic barrel |
Screw straight tolerance | 0.015 mm/m |
Surface roughness | Ra 0.4μm |
Process
Laser Coating Tungsten CarbidePTA Melt-Welding AlloyCentrifugal Mould Bimetallic AlloyAdvanced nitrogen oozes handicraftVacuum QuenchingTitanizingNickel PlatingChorme PlatingWe can manufacture all types of screws and barrels according to clients' requirement.
bimetallic screw and barrel for injection molding
