Nitride double parallel screw cylinder for recycling extrusion
Double parallel screw cylinder | |
Screw Diameter : 55/2,65/2,70/2,80/2,88/2,90/2,100/2,110/2,130/2... | |
Application : Pvc water pipe. drainage pipe. pe film. wpc profile,pvc cable,pe pellet... | |
Plastic processed : PVC PP PE HDPE LHDPE PET WPC, etc. | |
Technical Parameter | |
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 |
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 take mapping, design for clients and make products as per customer's drawing or sample excellently , also can help customer to repair the old screw and barrel by useing bimetallic-alloy process
- Screw structure, compression ratio and material can be changed according to different products and output.
- Technological Process can 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.
Conical twin screw cylinder
Screw barrel for PVC pipe
