Industrial Pelleting Machine for Plastic Recycling & Compounding

NO.86 South Pingan Road, Yingkou, Liaoning China +8615940702375 | +8615940702192 [email protected]

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Industrial Pelleting Machine for High-Purity Resin Granule Production

Investing in our advanced pelleting machine converts post-industrial plastic waste and virgin polymer melts into uniform, high-purity resin granules with exceptional structural integrity. Engineered to process rigid PVC, HDPE, LDPE, PP, PET, and engineering plastics, this automated system combines strand pelletizing, water-ring cutting, and underwater granulation technologies. Recycling and compounding plants achieve up to 98% material recovery rates while reducing electrical energy consumption by 22% compared to conventional granulators. Equipped with hardened alloy cutter blades, dual vacuum degassing chambers, and automatic screen changers, the machinery eliminates moisture and contaminants effectively. This robust pelletizing solution empowers manufacturers to produce premium free-flowing granules ready for high-spec molding and extrusion.
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Case Study

Recycled HDPE Pipe Scrap Pelletizing Line

A major municipal pipe manufacturer integrated our high-capacity pelleting machine to reprocess factory edge trims and defective pipe scrap into high-grade reusable resin granules. Operating continuously at 600 kilograms per hour, the strand pelletizing line processed shredded HDPE waste through a dual-stage degassing extruder and precision water bath cooling trough. Automated strand cutters produced uniform 3mm cylindrical pellets with zero dust generation. Melt flow index consistency improved significantly, allowing the plant to blend 40% recycled granules into prime pipe extrusion formulations. Raw material purchasing costs dropped by $350,000 annually, securing complete return on equipment investment within seven months.

Post-Consumer Agricultural Film Water-Ring Granulation

Seeking to upgrade agricultural film recycling efficiency, an environmental service enterprise deployed our specialized water-ring pelleting machine. The system processed heavily contaminated agricultural greenhouse film scrap at a steady 750 kg/h rate. High-speed centrifugal dryers eliminated surface moisture, while dual vacuum ports stripped volatile gases before molten polymer entered the die-face cutter. The water-ring pelletizer produced smooth, uniform spherical granules that flowed freely without agglomeration. The facility expanded its commercial resin supply agreements with regional film blowers, boosting quarterly recycling division revenues by 40% and diverting 4,000 tons of agricultural plastic waste from landfills.

Engineering Plastic Compounding and Masterbatch Pelletizing

To supply automotive component manufacturers, a specialized polymer compounding plant adopted our high-torque twin-screw pelleting machine. The machinery processed engineering thermoplastics blended with color pigments and glass fiber fillers at 500 kg/h. Precision underwater pelletizing heads cut crystal-clear spherical masterbatch granules with exact dimensional uniformity. Melt pressure stability was maintained within 0.3 bar, ensuring flawless dispersion of additives throughout every batch. The company passed strict automotive quality audits, securing long-term multi-national supply contracts and achieving record operational profitability within its first year of commercial production.

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Designed for precision and reliability, our pelleting machine delivers the ultimate manufacturing solution for converting polymer melts and plastic waste into uniform, high-purity resin granules. Available in strand cutting, water-ring, and underwater granulation configurations, our systems handle rigid PVC, polyolefins, and engineering plastics effortlessly. Featuring bimetallic compounding extruders, automatic hydraulic screen changers, and wear-resistant alloy cutter knives, the machinery ensures continuous, maintenance-free operation. Centralized Siemens PLC touchscreens allow operators to regulate melt temperatures, cutter speeds, and throughput rates effortlessly. Backed by global engineering support, our pelletizing machinery guarantees maximum yield, superior granule quality, and exceptional profitability for polymer processors.

Frequently Asked Questions

What granulation methods are available for this pelleting machine?

We offer three primary pelletizing methods tailored to specific polymer types: strand pelletizing for general thermoplastics, water-ring cutting for films and regrind, and underwater granulation for high-end engineering plastics.
The extrusion barrel features dual high-vacuum degassing ports powered by heavy-duty vacuum pumps that extract trapped moisture and volatile gases from the molten polymer before it reaches the die face.
Routine maintenance involves inspecting tungsten-carbide cutter knives for wear, cleaning die face holes using specialized brass scrapers, and adjusting spring-loaded blade pressure to ensure clean, uniform granule cuts.
Yes, specially hardened bimetallic screw elements and wear-resistant die faces allow seamless processing of high-filler calcium carbonate, talc, and glass-fiber masterbatch compounds without premature component erosion.

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Customer Testimonials

Jonathan Hayes
Superior Granule Uniformity and High Daily Output

Upgrading to this pelleting machine increased our recycled HDPE granule output by 35%. Granule size is perfectly uniform with zero dust, satisfying our most demanding buyers.

Gregory Vance
Excellent Machine Reliability and Low Maintenance Costs

We run our strand pelletizing line 24/7 processing post-industrial scrap. The automatic screen changer and durable cutter blades keep downtime to an absolute minimum.

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pelleting machine extrusion machine vacuum moulding machine plastic recycling machinery plastic machinery pvc lamination machine hdpe pipe production line
Precision Die-Face Cutter and Variable-Speed Drive

Precision Die-Face Cutter and Variable-Speed Drive

Our advanced pelleting machine incorporates a high-precision die-face cutting head driven by a variable-speed inverter motor and spring-loaded tungsten-carbide cutter blades. This precision mechanism adjusts blade contact pressure automatically against the nitrided steel die plate, ensuring clean, uniform granule cutting without smearing or tail formation. The rapid-action swing-type cutter housing allows operators to open and inspect the die face in under two minutes during color or material changeovers. Coupled with intelligent speed synchronization between the cutter and the polymer extrusion rate, the system guarantees consistent granule length and spherical geometry across continuous high-volume production shifts.
Advanced Dual Vacuum Degassing and Filtration

Advanced Dual Vacuum Degassing and Filtration

Purity and structural strength of manufactured granules are ensured by a dual-stage vacuum degassing system and an automated hydraulic screen changer located upstream of the pelletizing die. High-vacuum suction ports remove trapped moisture, air pockets, and volatile printing inks from the polymer melt, preventing porosity and internal voids in finished pellets. Meanwhile, the dual-piston hydraulic screen changer filters out solid impurities down to 80 microns without interrupting melt flow or stopping production. This integrated purification architecture guarantees crystal-clear, high-density resin granules ready for premium injection molding and film extrusion applications.
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