plastic extruder double screw barrel for PVC pipe and foam

screw barrel
extruder double screw barrel
38CrMoAIA gas nitriding
mitriding time:120hours wear-resistiant
can be customized

Conical Screw & Barrel
Screw Diameter : 45/90mm 55/110mm 65/132mm 80/156mm 92/188mm...
Application : water pipe. drainage pipe. label printing film. shrinkable film.frame profile
Plastic processed : PVC PP PE HDPE LHDPE etc
Technical Parameter
Nitride Case Depth	0.5mm-0.8mm
Nitride Hardness	950-1050HV
Nitride Brittleness	≤Grade One
Surface Roughness	Ra0.4um
Screw Straightness	0.015mm
Alloy Hardness	HRC58-65
Alloy Depth	0.8mm-3.5mm
Chromium Coating Thickness	0.025~0.10mm
Material & Technologies
SKD61(H13)	Quality 38CrMoAIA (41CrAIMo7)
Gr12MoV	Quality Duplex Stainless Steel
42CrMo	Quality Powder Metallurgy Materials
40Cr	Hard Metal Cold/Thermal Spraying Technology
Zinc 3# Steel	Advanced Nitriding Technology
Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology
Technological Process
1.Rough Machining	2.Quenching and Tempering
3.Finish Machining	4.Nitriding
5 Sprey conating Bimetallic	6.Screw polishing

REMARK:

We are able to takemapping, design for clientsandmake products as per customer\'s drawingorsample excellently, also can help customer torepair the old screw and barrelby useing bimetallic-alloy process Screw structure,compression ratioandmaterialcan be changed according to differentproducts and output. Technological Processcan be chosed acoodring to your requirments. Commonly used materials: 38crMoAIA, nitrogen treatment .Various high quality alloy steels , according to different usage, the choose for alloy is different, some require for abrasion-resistant while some require for corrsion-resistant. For standard, we have Fe-based, Ni-based, W2C alloy,Tunsten alloy etc for choice

The foreign material we used as following:

1.Germanysteel, GH113 ,2250 ,2842 ,1.8509 ,1.442 ,1.6582 ,1.6523 ,1.2080,1.4542,

2. USA steel, P20,420,L6,H13,W110,D3,A2,D6,O1,S1,M35,8620,3115,K52440

3. Sweden steel, 718S,718H,S136,S136H,STAVAX,ASP-23,ASP-30

4. Australia Steel, M202,M300,W302,K460,W300,K900,K100,W321

5. Hardnesssteel, YG6X,YG 6A,YG 6,YG8N,YG8,YG8C,YG11C,YG 15,YT5,YT14,YT30

6. Japan Steel, SKT 4,YXM 4,YXM 42,SNC 815,SK -3,SKS 3,and etc.

About O.S.D :

Our Strength: We have an experience of more than 20 year ofmanufacturinganddesigningPlastic 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 machinery. Location advantage:located in China\'s Screw Town - Jintang Town in Zhoushan City, near toNingbo PortandShanghai Port Market areas:global sales network reachingSouth America,Eastern Europe,Southeast