Bimetallic Conical Twin Screw Barrel for Extruder PVC
Specifications
1. bimetallic conical twin screw barrel for extruder machinery.
2. Base Material: 38CrMoAlA;
3. Nitrided or bimetallic
| Product Name | conical twin screw barrel |
| Base Material (steel) | 38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140);
Cr12MoV(JIS SKD-11); 4Cr5MoSiV1(JIS SKD-61) |
| Process ( hot treatment) | Nitriding treatment 72 hours
Bimetallic treatment |
| Hardness after hardening and tempering | HB260-320 |
| Nitrided Hardness | HV950-1050 |
| Nitrided Case Depth | 0.5 - 0.8 mm |
| Nitrided Brittleness | Less than Grade 2 |
| Surface Roughness | Ra 0.4 |
| Screw Straightness | 0.015 mm |
| Bimetallic Hardness | HRC 53-65 |
| Bimetallic Depth | 0.8-2.0mm for screw ; 3~5mm for barrel |
| Chromium plating Depth | 0.05~0.10mm |
| Hardess of surface chromium-plating after Nitriding | HV≥950HV |
| Conical twin screw barrel specification | |||
| Φ22/45 | Φ35/75 | Φ40/80 | Φ45/90 |
| Φ45/97 | Φ50/105 | Φ51/105 | Φ55/110 |
| Φ60/125 | Φ65/120 | Φ65/132 | Φ70/143 |
| Φ70/150 | Φ80/143 | Φ80/156 | Φ90/188 |
| Φ92/188 | Φ95/190 | Φ105/191 | Φ100/200 |
| 1. The above is standard sizes, if your conical twin screw barrel size didn’t mentioned above, please contact me & we will give you best solution for it! | |||
| 2. We provide Cincinnati, Battenfeld, Krauss Maffei, Amut, BAUSANO, Weber designing. | |||
| Conical twin screw barrel application |
| 1) PVC pipe extrusion line;
2) PVC sheet extrusion line; 3) PVC & WPC profile extrusion line; 4) PVC granulation line; 5) PVC foaming production line; The raw material can be new and recycle, the material can compound calcium powder 5% - 300%. |
FAQ
| Q1: Is your company manufactory or trading company? |
| A: We are manufactory. |
| Q2: Can you produce customized screw barrel according to our own designing? |
| A: Yes, of course we can. |
| Q3: We have no completely drawing, can I give you connection size and your company do designing for us? |
| A: Yes, glad to serve for you. |
| Q4: We have no drawing, we can’t provide you connection sizes, how can I buy from you? |
| A: We can send engineer to take measurement for you. It is ok~ |
| Q5: We bought screw barrels from machine suppliers before, how about your quality compare with them? |
| A: 90% machine suppliers buy screw barrel for screw barrel supplier and then assembling machines, in this field, we are more professional than them. The quality will be better than them,but price is cheaper. |
| If you have questions I didn’t mentioned above, please feel free contact me, I will be glad to reply you promptly within 24 hours! Thanks a lot! |
