Place of Origin: | Zhejiang |
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Location: | Ningbo, Zhejiang, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Stator Winding Machine, Armature Winding Machine, Automatic Coil Winding Machine |
***Base Material for double parallel screw for pvc extruder
1)38CrMoALA(JIS SACM645)
2)42CrMo(JIS SCM440)
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)According to different usage, the choose for alloy is different, some require for abrasion-resistant while some require for corrsion-resistant.
***Technical Parameter double parallel screw for pvc extruder
Screw Diameter | 15mm-300mm |
Screw Alignment | 0.015mm |
Nitride Brittleness | Grade 1 |
Depth of Nitride Layer | 0.5~0.8mm |
Hardness of Nitride | HV900~1020 |
Quenching and Tempering Hardness | HB240-280 |
Surface Roughness | 0.045mm |
***Advantages for OUSHENGDA screw barrels
1) Base material 38crmoala, special alloy is welded on the flight of screw,effectically
improved the life of screw.
2) Easy wearing parts of barrel made from anti-wear alloy ,that can be improved the
abrasion performance.
3)Advanced technology and unique design of screws the most prominent features.
Technological Process:
BlankingRough MachiningQuenching & Tempering Semi Finishing MachiningFinished ProductDetectingNitring/Alloy Processed Finish Machining
About O.S.D :