Product name: Parallel twin carbidge coating screw barrel
The Parallel twin carbidge coating screw barrel for extruder that can strengthen the performance of the plastic products.We are a professional manufacturer of screw and barrel which has been in the line for many years,we can make all kinds of screw and barrel according to your requirements.
The parallel twin carbidge coating screw barrel tecnnical specification:
| Material | 38CrMoALA,9Cr18MoV |
| Application | PVC,ABS,TPO |
| Hardness After Hardening &Tempering: | HB240 -280 |
| Nitrided Hardness: | Hv850-1000 |
| Nitrided Depth: | 0.45-0.7mm |
| Nitrided Brittleness: | ≤Grade 2 |
| Surface Roughness: | Ra0.4 |
| Screw straightness: | 0.015mm |
| Surface Chromate-plating's Hardness After Nitrided: | ≥900Hv |
| Chromate-plating Depth: | 0.05-0.10mm |
| Bimetallic-alloy Hardness: | HRC56 -65 |
| Alloy Depth: | 0.8-2.0mm |
The alloy specification:
| Processing application: | Injection molding machines , extrusion machine , bakelite machine | |
| Processing range: | Φ18-Φ300 | |
| Maximum length: | 5000mm | |
| Alloy composition: | WC88Wc/12Co | Grade A:The content of 40% |
| Grade B:The content of 25% | ||
| Grade C:The content of 9.5% | ||
| Alloy thickness: | 2-4mm | |
| Application of the plastic range: | All kinds of glass fiber,the PPA ,PPS ,PA6T ,LCP,electric wood powder,magnetic powder,iron powder and other special engineering plastics | |
Typer of Parallel twin carbidge coating screw barrel
1\Type
Φ40/2 | Φ50/2 | Φ65/2 | Φ80/2 | Φ90/2 | Φ105/2 |
Φ125/2 | Φ130/2 | Φ150/2 | Φ180/2 | Φ200/2 |
2\MAX L/D=36:1
3\ compressing rate of Screw can be designed according to different raw material and products
Parallel twin carbidge coating screw barrel
