Introducing our SJ85 Pelletizing Line, expertly designed to process a variety of materials including PP, PE, HDPE, and ABS regrind plastic.
Our system is equipped with an integrated spiral loader, feeder, and main machine, all featuring an interlocking function that automates the entire feeding process.
Controlled by a Siemens PLC system, our pelletizing line boasts high-precision automation that ensuring consistent quality output.
At the core of our pelletizing line is the specialized single-screw extruder. This extruder is custom-designed to gently melt pre-compacted materials, maximizing the preservation of material characteristics.
Featuring a hydraulic screen changer with a leak-proof sealing structure, our system ensures stable and reliable operation under high pressures.
Our fan conveying system is designed with soundproofing, noise reduction, and anti-static treatments, safeguarding the operational environment and enhancing safety.
For more information on how this technology can streamline your production, visit our website or contact our team.
Please feel free to contact us if you are interested in this system so we can make a proposal for you.
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Frequently Asked Questions
Which materials can the SJ85 pelletizing line process?
The SJ85 is designed for PP, PE, HDPE, and ABS regrind plastics. The single-screw extruder is custom-built to gently melt pre-compacted materials while preserving their characteristics, making the line a good fit for recyclers turning washed and densified regrind into uniform pellets for reuse in production.
How does the feeding system work?
The system combines an integrated spiral loader, feeder, and main machine with an interlocking function that automates the entire feeding process. Interlocked feeding keeps material flowing consistently into the extruder, prevents starvation or overload, and reduces the need for manual intervention — all of which supports stable, continuous pelletizing.
What automation controls are included?
The line is controlled by a Siemens PLC system with high-precision automation for consistent quality output. Automated control of feeding, temperature, and extrusion parameters keeps the process stable run after run, reduces operator workload, and makes it easier to reproduce the same pellet quality across different material batches.
What keeps pellet quality consistent at high pressure?
The hydraulic screen changer uses a leak-proof sealing structure, ensuring stable and reliable operation even under high extrusion pressures. Clean melt filtration plus the gentle-melting extruder design protect pellet uniformity. The fan conveying system adds soundproofing, noise reduction, and anti-static treatment, safeguarding the operational environment and pellet handling safety.
What maintenance does the SJ85 pelletizing line require?
Routine maintenance covers the pelletizer blades, the hydraulic screen changer seals, and the feeder and conveying components. Keeping blades sharp and correctly set is essential for uniform cutting — see our guide on how to change blades on a plastic pelletizer machine. Regular checks of the PLC-controlled systems and the anti-static conveying parts keep the line running safely and quietly.
How does the SJ85 fit into a recycling operation?
The SJ85 takes pre-compacted regrind — typically from washing and densifying stages — and converts it into market-ready pellets. Because the extruder melts gently to preserve material characteristics, the line works well for recyclers selling pellets back into production. Tell our team your material mix and target output, and we will propose the right line configuration for your plant.