Granulator Knives

Engineered for maximum durability and efficiency in plastic recycling and pelletizing, ShengAo Premium Granulator Knives deliver superior cutting performance with exceptional wear resistance and extended service life. Ideal for processing various materials including PE, PP, PVC, ABS, and other plastics in granulators, shredders, and recycling systems.

√Premium D2 tool steel & tungsten carbide materials for extreme durability

√Precision CNC engineering for optimal cutting performance

√Corrosion resistant and long-lasting in harsh environments

√Custom sizes and specifications available for specific machinery

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Premium Granulator Knives - Precision Engineered for Maximum Durability & Efficiency

Granulator knives are precision cutting tools designed for demanding size reduction in recycling and manufacturing. Our high-performance blades use premium materials like D2 tool steel and advanced production for exceptional wear resistance, sharpness, and long service life. They provide consistent, clean cutting performance in continuous granulation processes .

Used in plastic recycling (PET, PP, PE), rubber processing, e-waste reduction, and biomass size reduction, our granulator knives ensure cutting precision and reliability for optimal production efficiency and less downtime. We provide fully customized solutions for specific material properties and machine specs .

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Company Documents & Resources

Download our company brochures and product catalogs for detailed information

Company Brochure

Comprehensive overview of our company, products, and manufacturing capabilities

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Production Capacity List

Detailed specifications and production capabilities for our industrial blades

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Blades Drawings Case

Support OEM/ODM services, producing items like slitting knives and cutting blades based on client drawings

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Blades Parameter Table

Provides comprehensive data on blade specifications and complete dimensional data.

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Granulator Knives Design

Slitter Knives

ShengAo precision slitter knives deliver superior cutting performance for metal, paper, and plastic processing industries. Engineered with premium materials like tungsten carbide and high-speed steel.

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Pelletizer Blades

ShengAo manufactures high-performance pelletizer blades for plastic recycling and granulation applications. Our blades are crafted from premium materials like D2 tool steel and tungsten carbide.

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Granulator Knives

ShengAo's high-performance granulator knives are engineered for superior cutting precision and extended service life in plastic recycling and pelletizing applications.

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Bed Blades

ShengAo's high-performance industrial Bed Blades, expertly crafted for precision cutting, enhanced durability, and optimal efficiency.

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Rotor Blades

ShengAo's premium industrial rotor blades engineered for maximum durability and cutting efficiency in demanding recycling applications.

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Premium Granulator Knives - Precision Engineered for Maximum Durability & Efficiency

At ShengAo, we specialize in manufacturing high-performance granulator knives engineered for demanding size reduction applications. Our custom granulator blades are crafted from premium materials including D2 tool steel, tungsten carbide, and specialized alloy composites. Each blade undergoes precision engineering with advanced treatments such as heat treatment (reaching HRC55-58 hardness), cryogenic processing, laser hardening, and specialized coatings to enhance wear resistance, impact resistance, and cutting performance in continuous operation.

Our granulator knives are designed for optimal performance in various applications including plastic recycling (PET, PP, PE), rubber processing, e-waste reduction, and biomass size reduction. With strict quality control throughout our manufacturing process - from design and material selection to CNC machining, precision grinding, and edge finishing - we ensure every blade delivers consistent cutting performance, reduced downtime, and extended service life for maximum operational efficiency.

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Premium Granulator Knives Industrial Applications

Premium Granulator Knives for Diverse Industrial Applications

Our premium granulator knives are engineered for precision cutting and maximum durability across various demanding industries. Each blade is designed with specific features to excel in its intended processing environment. Key application advantages include:

Material Versatility: Specially formulated D2 tool steel and tungsten carbide composites for cutting different materials including plastics, rubber, biomass, and e-waste components.

Precision Engineering: CNC-controlled grinding ensures consistent edge geometry for clean, accurate cuts and extended service life in continuous operations.

Custom Solutions: Tailored blade designs available to match specific granulator models, rotor configurations, and unique operational parameters.

Advanced Heat Treatment: Proprietary thermal processing enhances hardness (HRC 58-62) and toughness for optimal performance under extreme abrasion and impact conditions.

Surface Engineering: Specialized coatings and surface treatments reduce friction, prevent material buildup, resist corrosion, and minimize heat generation during continuous operation.

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Premium Granulator Knives Key Features

Precision Granulator Knife Manufacturing Process

ShengAo premium granulator knives are precision-engineered with advanced features to maximize cutting performance, durability, and efficiency in demanding size reduction applications.

Premium Materials: We utilize high-grade D2 tool steel, tungsten carbide composites, and specialized alloy steels to ensure exceptional wear resistance and longevity in plastic recycling and waste processing applications.
Precision Engineering: Our granulator blades are manufactured with exacting tolerances using CNC grinding and advanced heat treatment processes including cryogenic treatment for consistent performance and optimal cutting precision.
Custom Design Options: We offer tailored granulator knife solutions with custom dimensions, edge geometries, tooth configurations, and hardness levels to meet specific machine requirements and material characteristics.
Wear Resistance: Specialized coatings and material treatments provide excellent resistance to abrasion and impact, extending blade life when processing abrasive materials like reinforced plastics and e-waste.
Enhanced Durability: Advanced manufacturing techniques and triple tempering processes ensure our granulator knives withstand high-impact applications and continuous operation in rigorous recycling environments.
Easy Maintenance: Designed for simple sharpening and maintenance, reducing downtime and operational costs over the blade's lifecycle with optimized accessibility for replacement and cleaning.
Application-Specific Designs: Our granulator knives are optimized for various industries including plastic recycling (PET, PP, PE), rubber processing, e-waste reduction, and biomass size reduction applications.

These advanced features make ShengAo premium granulator knives the preferred choice for professionals seeking reliability, precision, and maximum operational efficiency in industrial size reduction operations.

Premium Granulator Knives FAQ

Find answers to common questions about our high-performance granulator knives

What materials are Shengao granulator knives made from?

Shengao premium granulator knives are engineered from advanced materials for maximum durability and cutting performance:

D2 Tool Steel: Excellent wear resistance and edge retention for plastic recycling applications
Tungsten Carbide: Superior hardness and abrasion resistance for cutting reinforced materials
High-Speed Steel (M2/HSS): Optimal for high-temperature operations and continuous use
Specialty Alloys: Custom composites with titanium nitride and ceramic coatings for specific applications

All materials undergo precision heat treatment to achieve optimal hardness (HRC 58-62) while maintaining impact resistance.

How do I choose the right granulator knife for my application?

Selecting the appropriate granulator knife depends on several critical factors:

Material Type: Different plastics (PET, PP, PE, PVC) require specific blade compositions and edge geometries
Production Volume: High-volume operations benefit from tungsten carbide blades for extended lifespan
Machine Specifications: Compatibility with your granulator model and rotor configuration
Cutting Efficiency: Tooth design and angle optimization for clean cuts and reduced energy consumption

Our engineering team provides customized recommendations based on your specific material characteristics and operational requirements.

What maintenance do granulator knives require?

Proper maintenance extends blade life and ensures consistent performance:

Regular Sharpening: Professional CNC grinding every 50-100 operating hours maintains optimal sharpness
Cleaning Protocol: Remove plastic residue after each use to prevent buildup and corrosion
Proper Storage: Store blades in dry, climate-controlled environments to prevent rust
Rotation System: Rotate blades in multi-blade setups to ensure even wear distribution

Shengao offers professional sharpening services and provides detailed maintenance guides with every purchase.

Can Shengao produce custom-sized granulator knives?

Yes, we specialize in custom granulator knife manufacturing with extensive capabilities:

Size Range: Lengths from 100mm to 2000mm with various thickness options
Bore Configurations: Custom bore sizes with keyways or special mounting mechanisms
Edge Geometry: Custom tooth configurations, angles, and specialized profiles
Advanced Coatings: TiN, TiCN, DLC coatings, and Teflon treatments for specific applications

Our engineering team can develop prototypes within 7-10 working days with minimum order quantities starting at 5 units.

What industries use Shengao granulator knives?

Our premium granulator knives serve diverse industrial applications worldwide:

Plastic Recycling: PET, PP, PE, PVC and ABS processing operations

Rubber Processing: Tire recycling and synthetic rubber reduction

E-Waste Recycling: Circuit boards, electronic components, and cable processing

Biomass Size Reduction: Organic material processing for energy production

We also serve the automotive, packaging, and textile industries with specialized cutting solutions.