Conical Twin Screw and Cylinder for PVC Extruder
Specifications
1.best conical twin screw and cylinder in China1.Gurantee:2-4 years
2.Certificates:ISO9001:2008/SGS
4.long operating life
The best conical twin screw and cylinder in China is produced by QunYing Manufactory.
Our Conical twin screw and cylinder could serive high addtive of CaCo3 and wood.
The compression ratio of the screw canbe designed according to different products and mixtures.
If you have any inquiry, do not hesitate to inform us.
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Application for:
Our Conical twin screw and cylinder is good in quality and competitive in price. We manufacture screw barrel and supply OEM, ODM service according to your requirement.

Custormer check our process of producing conical twin screw & cylinder

Our Manufactory
Normal Material we use as following:
1.38CrMoAlA(JIS SACM645),
2.Cr12MOV(JIS SKD-11)
3.4Cr5MoSiV1(JIS SKD-61)
4.42CrMo(AISI 4140)
SCREW&BARREL GRADE
Nitrided
Bimetallic
Nitride Case Depth |
0.5mm-0.8mm |
Nitride Hardness |
950-1150HV |
Nitride Brittleness |
≤Grade One |
Surface Roughness |
Ra0.4um |
Screw Straightness |
0.015mm |
Alloy Hardness |
HRC58-75 |
Alloy Depth |
0.8mm-3.5mm |
Bimetallic Thickness |
2-4mm |
Customer’s feedback
Our Certificate
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