**Top Feeding Twin-Screw Extruder**
The Top Feeding Twin-Screw Extruder is a high-performance machine designed for efficient powder coating and compounding applications. It features co-rotating twin screws that provide strong shearing and excellent self-cleaning capabilities, ensuring consistent product quality and minimal downtime. The system offers precise temperature control with advanced heating and cooling exchange, making it ideal for sensitive material processing.
The extruder comes with a hinged clamshell barrel design, allowing easy access for maintenance and cleaning. Its segmented liners enhance durability and performance across different applications. The feeder is designed for quick assembly and disassembly, with an internal structure that prevents material agglomeration.
Each model can be customized with various screw configurations to suit different powder formulas. The screw and barrel are available in conventional or special materials such as Cr12MoV and CPM, ensuring adaptability to a wide range of materials. The unit operates quietly, with low noise levels, and is energy-efficient, reducing operational costs over time.
Below are the technical specifications for various models:
| Model | Capacity (kg/h) | Diameter (mm) | Screw Length | Screw Speed (r/min) | Main Motor (kW) | Feeder Motor (kW) | Heating Power (kW) | Overall Dimensions (mm) |
|---------|------------------|---------------|--------------|----------------------|------------------|--------------------|---------------------|--------------------------|
| SLJ-40 | 80–220 | 40 | 16D | 0–500 | 11/15/18.5 | 0.55 | 4 | 1800×600×1700 |
| SLJ-50 | 150–300 | 50 | 16D | 0–500 | 22/30 | 0.75 | 8 | 2600×700×2000 |
| SLJ-55 | 300–400 | 55 | 16D | 0–500 | 30/37 | 0.75 | 8 | 2700×900×2300 |
| SLJ-60 | 400–600 | 60 | 16D | 0–500 | 45 | 1.1 | 12 | 2750×1000×2350 |
| SLJ-75 | 600–800 | 75 | 16D | 0–500 | 55 | 1.5 | 12 | 2900×1100×2400 |
| SLJ-80 | 800–1200 | 80 | 16D | 0–500 | 75/90 | 2.2 | 20 | 3700×800×2800 |
**About the Company**
Dongsun is a leading manufacturer in China specializing in powder coating production equipment, including mixers, extruders, cooling belts, and air classifier mills. Over the past decade, we have successfully exported our products to nearly 30 countries and regions worldwide, earning a strong reputation for reliability and quality.
We are CE certified and have passed ATEX explosion-resistant testing, ensuring compliance with international safety standards. Our commitment to meeting diverse and custom requirements makes us a trusted partner for businesses around the globe.
Our business philosophy is centered on consistent quality, effective communication, and responsible service. We believe in building long-term relationships with our customers by delivering reliable, innovative, and cost-effective solutions.
Whether you're looking for a small-scale setup or a large industrial solution, Dongsun provides the right equipment tailored to your needs. Explore our product range today and experience the difference of professional engineering and support.
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