WPC Conical Twin-screw Extrusion Line(Two Steps)
The WPC Conical Twin-screw Extrusion Line (Two Steps) is specially designed for producing wood-plastic composite (WPC) profiles and decking boards using a two-step process — first granulating WPC compounds, then extruding finished profiles. This method ensures stable production, consistent quality, and flexible control over material formulation.
Item No :
SWMSXUsage :
Plastic ExtrusionColor :
Customized ColorScrew type :
Twin Conical ScrewRaw material :
PE/PP+ wood powder
WPC Conical Twin-screw Extrusion LIne (Two Steps)

Main Features
Stable Performance: Two-step process provides better material control and consistent product quality.
High Output & Low Energy Consumption: Optimized screw structure ensures excellent plasticizing and extrusion efficiency.
Precision Temperature Control: Ensures smooth surface finish and dimensional accuracy of final products.
Flexible Production: Easily switch molds to produce various types of WPC profiles.
Durable Components: Made of high-quality alloy steel, ensuring long service life of screws and barrels.
Environmentally Friendly: Uses recycled plastics and wood fibers, reducing waste and promoting sustainability.
Advantages:
SWMSX WPC Conical Twin-screw Extrusion Line (Two Steps) Specifications Overview
|
Machine Type |
Screw Diameter (mm) |
Total Power (kw) |
Length-Diameter Ratio (L/D) |
Output (KG/H) |
Outline Dimension (mm) |
Total Weight (KG) |
|
SWMSX-1 |
45/90 |
39.8 |
36-40 |
30-60 |
12000*1300*2400 |
4500 |
|
SWMSX-2 |
50/104 |
47 |
36-40 |
60-90 |
16500*1400*2700 |
6500 |
|
SWMSX-3 |
65/132 |
86 |
36-40 |
70-160 |
17500*1520*2800 |
7400 |
|
SWMSX-4 |
80/156 |
127.6 |
36-40 |
250-350 |
18800*1850*2900 |
9400 |
|
SWMSX-5 |
92/188 |
179.6 |
36-40 |
300-500 |
19000*2200*3100 |
15000 |
FAQ
Q1: What are the advantages of the two-step process compared to the one-step process?
A1: The two-step process offers better stability, easier operation, and consistent product quality. It allows for more flexible control of formulation, color, and production speed — ideal for mass production.
Q2: What types of products can this extrusion line produce?
A2: It is suitable for producing WPC decking boards, wall panels, door frames, window profiles, fencing, railings, and decorative profiles for outdoor and indoor applications.
Q3: What material can be used in this line?
A3: The line can process PVC, PE, or PP-based WPC compounds made of wood fiber (or rice husk), plastic resin, and various stabilizing additives.
Q4: Can the line be equipped with co-extrusion or lamination systems?
A4: Yes. It can be configured with surface co-extrusion technology for enhanced wear resistance and color durability, and online lamination systems to apply decorative films directly after extrusion.
Q5: Is the line easy to operate and maintain?
A5: Yes. It is equipped with a PLC control system, offering simple operation, precise temperature control, and reliable automatic performance with low maintenance needs.
Q6: How does the conical twin-screw design improve performance?
A6: The conical twin-screw structure provides excellent plasticizing, stable pressure, and efficient mixing, ensuring high-quality WPC profiles with smooth surfaces and uniform density.
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