
This JCD 92/188 ion nitrided conical twin screw barrel is specially designed for large-capacity extrusion lines, mainly used for PPR pipe production and WPC wood-plastic composite extrusion.
Adopting high-quality alloy steel with advanced ion nitriding treatment, it has high surface hardness, good toughness and strong wear resistance, ensuring stable plasticizing and high output under long-term large-flow production.
| Parameter | Detail |
|---|---|
| Model | JCD Series 92/188 (Tapered Diameter: 92mm/188mm) |
| Material | 38CrMoAlA / SACM645 Alloy Steel |
| Surface Treatment | Ion Nitriding |
| Hardness | HRC62°–68° |
| Nitriding Depth | 0.4mm–0.7mm |
| L/D Ratio | 28:1–35:1 |
| Applicable Equipment | Large Capacity Conical Twin Screw Extruder |
| Applicable Materials | PPR, WPC Wood-Plastic Composites, PE Wood Powder Composites |

Q: Why is this 92/188 model for large-capacity production?
A: Its large tapered diameter and optimized screw structure provide stronger conveying capacity and higher output, matching large-scale extrusion lines.
Q: Is it suitable for WPC with wood powder and filler?
A: Yes. Ion nitrided surface greatly improves wear resistance, ensuring long service life when processing abrasive WPC materials.
Q: Can we use it for PPR pipe extrusion?
A: Yes. It provides stable plasticizing and uniform melting, which is widely used in high-quality PPR pipe production.

With precision machining and ion nitriding technology, JCD 92/188 conical twin screw barrel delivers high output, stable plasticizing and long service life. It is the ideal choice for large-capacity PPR pipe and WPC extrusion production lines.