The grinding disc features a large, ring-shaped double-layer concentric design. Both the outer and inner rings are densely covered with precision radial fine teeth (arranged in dual rows with optimized tooth profiles at staggered or complementary angles). The central feed zone is wide, while the edges are secured by high-strength alloy steel flanges (featuring dozens of precision bolt holes). The entire structure undergoes CNC high-precision machining and carburizing quenching heat treatment, resulting in a deep gray/ silver-black mirror finish.
The layered dual-tooth structure embodies professionalism and efficiency.
The standout feature of the Maoyue dual-tooth grinding disc lies in its innovative dual-row/dual-layer tooth design. Compared to traditional single-row or monolithic discs, it nearly doubles the shear and friction surface area, achieving “dual-stage high-efficiency grinding” for PE materials—first coarse shearing and crushing, followed by fine friction pulverization. This significantly boosts grinding efficiency, increasing output by 30-50% or more at equivalent power consumption. Constructed from Mao Yue's proprietary optimized DC53 steel substrate, the discs undergo specialized carburizing and quenching followed by multiple tempering processes. This results in exceptionally high tooth hardness, outstanding wear resistance, impact toughness, and fatigue endurance. Service life exceeds that of standard single-tooth discs by over 200%, significantly reducing replacement frequency and downtime costs. The split or dual-tooth design facilitates precise gap adjustment (micron-level feeler gauge + bolt fine-tuning, simple operation without disassembly). Combined with Mao Yue's unique dual cooling system (air + water cooling), it effectively controls grinding chamber temperature (PE tends to generate heat through friction), preventing material overheating, softening, sticking, coking, or powder discoloration. Even during 24-hour continuous high-volume production, it consistently delivers high-quality powder. Final powder fineness flexibly controllable between 10-120 mesh (mainstream PE ultra-fine powder: 20-80 mesh), featuring narrower particle distribution, higher sphericity, excellent flowability, no agglomeration, and no coarse impurities. Particularly suited for applications demanding stringent powder uniformity and purity. Highly compatible, it directly fits all disc diameter models of the Mao Yue PE/PP series and partially accommodates other brands' equipment. Supports customization options such as tooth density, double-row spacing, and specialized surface coatings. Offers superior cost-performance compared to imported counterparts while meeting European quality standards (the company holds CE certification, ISO9001, and other qualifications).
Mao Yue PE Grinders with dual-tooth grinding discs empower the plastic recycling and high-value processing industry chain, particularly addressing capacity bottlenecks in industrial scenarios demanding both high powder quality and output. Firstly, in plastic recycling and regeneration, it achieves efficient ultra-fine grinding of waste PE materials, delivering higher output and more uniform powder. This directly supplies processes like regranulation, film blowing, pipe/profile extrusion, and injection molding, enhancing recycled material quality and value. Second, in rotational molding, the dual-tooth design produces PE powder with exceptional flowability and uniform, agglomerate-free particles. This makes it ideal for rotational molding of large hollow products, ensuring uniform wall thickness, smooth surfaces, and freedom from bubbles or orange peel defects, significantly improving product yield rates. Furthermore, in powder coating and chemical modification applications, the high-purity PE powder produced exhibits exceptional fineness, free from scorching or impurities. It is widely used in processes like electrostatic spraying and fluidized bed impregnation. Simultaneously, it serves as an ideal ultrafine carrier for PE-based filler masterbatches, color masterbatches, and functional masterbatches, supporting precise dispersion, stable performance, and high-end applications in downstream modified plastics.
Other high-demand applications include fine grinding of flexible polyolefins like EVA/LLDPE, eco-friendly shredding of PE plastic components from electronic waste, and laboratory small-batch/R&D testing requiring extremely narrow particle size distribution. Leveraging Mao Yue's portfolio of dozens of core patents, modern processing facilities (six workshops equipped with precision CNC machinery), and over 20 years of export expertise, this dual-tooth grinding disc empowers customers to overcome traditional limitations in both grinding capacity and quality. It aligns perfectly with national circular economy initiatives, carbon neutrality goals, and green manufacturing policies.
This model features a disc diameter of approximately 470-500mm, a main motor power of 37-45kW, a typical production capacity of 100-300kg/h, and a spindle speed of 3600-3800rpm. Equipped with 24-28 replaceable moving blades + high-density fixed tooth plates, it delivers high shearing efficiency and wear control for PVC with medium to low filler content, with a service life of approximately 500-800 hours. Intelligent temperature control + water-cooled circulation maintains grinding chamber temperature at 45-55°C, preventing PVC decomposition/yellowing.
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