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Certification:ISO
1.double parallel screw for pvc extruder
2.38crmoala Base Material
3.lower energy & longer lifetime
***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:
Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining
About O.S.D :
Our Strength:We have an experience of more than 20 year of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design and enhancing service.Our products:Screws Barrels for Injection, Extrusion, and Blow Molding applications; relevant accessories; plastic processing machinery.Location advantage:located in China\'s Screw Town - Jintang Town in Zhoushan City, near toNingboPortandShanghaiPort.Market areas: global sales network reaching South America, Eastern Europe, Southeast Asia, Africa, Oceania and the Middle East.We promise: We assure the customer benefits, We provide competitive price, We Emphasis On Cooperation.
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