Packaging & Delivery
| Packaging Details: | Wood case (Standard Export Packing). |
|---|---|
| Delivery Detail: | 25days after order confirmed |
Specifications
1.SJSZ Bimetallic conical twin screw barrel 2.Base Material: 38CrMoAlA;
3,High quality alloy .
4,Nitriding treating
Specifications of standard twin conical screw and barrel:
45/90, 51/105, 55/110, 65/132, 80/156, 80/172, 92/188.
Advantages of Twin conical screw and barrel:
1.Advanced Nitriding Technology
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses
different alloy and welding methods for the screw of different functions.
Features:
- Easy operation
- Optimum performance
- Durable
- Low power consumption
- Corrosion/wear resistance
twin conical screw barrel for pvc extrusion profile | |||
Diameter | Φ15mm-Φ350mm | Designing | Screw structure and compression ratio can be designed according to different products &different mixtrues. |
Materials | 38CrMoAlA (JIS SACM645) SKD61 | Application | pvc profile |
Nitride Case Depth | 0.5mm-0.8mm | Technology | 1)Longer time Gas Nitriding treatment 2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide 4)cobalt base alloy 5)stainless steel 6)Gh113 nickel based alloy |
Nitride Hardness | 950-1020HV | Packing | Wrapped up by film in wooden |
Nitride Brittleness | ≤Grade One | Payment Term | T/T , L/C |
Surface Roughness | Ra0.4um | Delivery Term | 25 working days |
Screw Straightness | 0.015mm | Port Departure | Shanghai/Ningbo |
Alloy Hardness | HRC58-62 | Min. Order | 1 set |
Alloy Depth | 0.5mm-0.8mm | Common Nitrided:2.5-4years Bimetallic: much longer lifetime. | |
Guarantee | |||
If the screw diameter or l/d ratio is not fixed, please feel free to inform the products and mixture you need, we can select & design the matching cylinder screw by your requirement.
Technological Process:
Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining
