50mm Twin Screw Extruder Manual Screen Changer
In the plastic processing industry, the 50mm twin screw extruder manual screen changer stands out as an indispensable component for small to medium-scale production lines, offering reliable melt filtration with exceptional cost efficiency. Designed specifically for 50mm twin screw extruders, this manual-operated device effectively removes impurities, unmelted particles, and contaminants from polymer melts, ensuring product quality while adapting to flexible production needs.
Core Technical Specifications
Tailored for low-output extrusion processes (35-70 kg/h), the 50mm manual screen changer features a compact structure with key dimensions: L1=150mm, L2=200mm, and a screen diameter of 50mm, providing a filtration area of 20 cm² . Equipped with 230/380V heating tubes with 1700W power, it maintains stable operating temperatures to suit most thermoplastic materials. The device adopts a pressure-activated sealing system combined with rigid material construction, ensuring leak-free performance under extrusion pressures up to 25MPa and temperatures ≤300°C . Its adjustable operation handle allows flexible installation according to workshop layouts, enhancing usability in limited spaces.
Working Principle and Operational Advantages
The working principle of the manual screen changer is straightforward yet efficient. As polymer melt flows through the extruder, it passes through the filter screen, which traps impurities while allowing pure melt to proceed to downstream processes . When pressure buildup indicates screen clogging, operators can quickly replace the screen via the manual lever—no machine disassembly required. This design minimizes downtime compared to traditional stationary screen packs and ensures precise screen positioning for unobstructed melt flow .
Key advantages include easy installation with minimal setup downtime and long service life due to its compensation sealing design . It is particularly suitable for multi-variety, small-batch production, as it eliminates the complexity and high cost of hydraulic systems. The device effectively protects downstream molds and extruder components by reducing impurity-related damage, lowering maintenance costs significantly .
Application Scenarios
Ideal for 50mm twin screw extruders, this manual screen changer finds wide application in plastic recycling lines, laboratory extrusion machines, small-scale blown film production, and granulation processes . It excels in processing thermoplastics such as PP, PE, PVC, and recycled polymers, where cost control and operational simplicity are priorities. For small and medium enterprises (SMEs) with intermittent production schedules, it offers a practical alternative to high-cost automatic screen changers without compromising filtration quality .
The 50mm twin screw extruder manual screen changer combines reliability, cost-effectiveness, and ease of use, making it a smart choice for budget-conscious manufacturers. Its compact design, leak-proof sealing, and flexible installation adapt to diverse production environments, while ensuring consistent product quality through efficient impurity removal. For SMEs seeking to optimize extrusion processes without heavy investment, this manual screen changer delivers exceptional value and performance.
Email: sale@meltpump.com
WhatsApp: +86 158 3833 1071