Ma'anshan Sheng Ao Heavy Industry Co., Ltd
Business Type:
Manufacturer/Factory & Trading Company
Main Products:
Cutting Circular Blades, Shredder Blades, Plastic Crusher Knives
Address:
Ma'anshan, Anhui, China
OEM/ODM Service
Sample Available
Secured Trading Service
Average Response Time:
≤0.35h

Premium manufacturer & supplier in China, offering top quality Cutting Circular Blades, Shredder Blades for scrap metal recycling, and Plastic Crusher Knives for plastic recycling machines. Our blades are known for their anti-aging, anti-oxidation properties and extended durability.

Diamond Member
Verified business licenses
Audited Supplier
Inspected by third-party
Supplier Capability Rating
Secured Trading Service
Ma'anshan Sheng Ao Heavy Industry Co., Ltd

Precision Plastic Granulator Blades

Boost recycling output with mirror-finished blades engineered for PET, PVC, and polymer reduction. Achieve 22% higher throughput and 14% energy savings per ton with optimized cutting geometry.

Customized from alloy steel, D2 tool steel, or carbide-tipped materials, our blades feature hardened edges (HRC 58–62) for extended service life. Tailored dimensions and tooth configurations prevent material wrapping and jamming.

Plastic Crusher Blade Buyer Guide

Premium cutting solutions for industrial applications

Slitter Knives

Slitter Knives

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Pelletizer Blades

Pelletizer Blades

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Granulator Knives

Granulator Knives

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Bed Blades

Bed Blades

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Rotor Blades

Rotor Blades

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Plastic crusher Blade Materials

Premium cutting solutions for industrial applications

Stainless Steel

Stainless Steel

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Carbide Tipped

Carbide Tipped

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M2 High-Speed

M2 High-Speed

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H13 Tool Steel

H13 Tool Steel

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D6 Tool Steel

D6 Tool Steel

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Crusher Blade Classification

Premium cutting solutions for industrial applications

Thermoforming Scrap

Thermoforming Scrap

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PET Bottle Granulation

PET Bottle Granulation

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Pipe Profile Cutting

Pipe Profile Cutting

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Film Granulation

Film Granulation

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Plastic Recycling

Plastic Recycling

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Crusher Blade Applications

Premium cutting solutions for industrial applications

Performance Optimization

Performance Optimization

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Cryogenic Treatment

Cryogenic Treatment

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Laser Hardfacing

Laser Hardfacing

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Surface Coating

Surface Coating

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Precision Grinding

Precision Grinding

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5 Products Found.

Advanced Features That Set Our High-Performance Plastic Granulator Blades Apart

Our precision-engineered plastic granulator blades are designed for exceptional performance and extended longevity in the most demanding industrial recycling and size reduction applications. Crafted from premium materials including alloy steel, D2 tool steel, and carbide-tipped composites, our blades deliver superior cutting efficiency for diverse plastics ranging from PET and PVC to engineered polymers and composite materials. Featuring specialized mirror finishes and geometrically optimized cutting edges, our blades reduce operational friction, prevent material wrapping and jamming, and ensure up to 22% higher throughput with 14% energy savings per ton processed. With fully customizable dimensions, tooth configurations, and hardened edges (HRC 58–62), we provide tailored solutions for your specific granulation requirements and machine specifications, ensuring maximum ROI and reduced total cost of ownership.

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essential post-installation checks for industrial shredder blades
plastic granulator blades main application industries

Premium Plastic Granulator Blades: Powering Diverse Industrial Applications

Our high-performance plastic granulator blades are engineered to deliver unmatched efficiency and durability across a wide spectrum of industrial sectors. These precision-crafted blades are the cornerstone of efficient size reduction, transforming various plastic materials into uniform granules that optimize production workflows and enhance sustainability goals. In advanced plastic recycling operations, our blades excel at processing post-consumer and post-industrial waste, including PET bottles, HDPE containers, and plastic films, ensuring high-quality output for recycled content production. For plastic manufacturing facilities, our blades enable efficient in-house scrap recovery of production materials such as injection molding runners, sprues, and rejected parts, significantly reducing raw material costs. In virgin resin production and compounding operations, our specialized blades handle raw plastic materials and sophisticated additive mixtures with precision, ensuring perfect pelletizing for quality-critical applications. Additionally, our blades serve demanding specialized applications in laboratory research, chemical processing, and masterbatch manufacturing, delivering consistent particle size distribution, reduced energy consumption, and superior material quality across all processing sectors.

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Your #1 Premium Plastic Granulator Blades Manufacturer for High-Volume Recycling

your 1 precision plastic granulator blades manufacturer in china
precision-plastic-granulator-blades-factory
  1. Precision Engineering: Our premium granulator blades are manufactured with ultra-precise tolerances (±0.02–0.04mm) using advanced CNC grinding and heat treatment technologies. This ensures optimal cutting gap control (0.1–0.5mm) between rotating and fixed blades, delivering consistent granule size, up to 15% reduced energy consumption, and vibration-free operation in high-volume plastic recycling applications.
  2. Material Expertise: We supply blades in high-performance materials including High-Speed Steel (HSS) for general plastics, alloy steels like D2/DC53 for enhanced wear resistance, and tungsten carbide-tipped options for extreme abrasion (e.g., glass-filled polymers, engineering plastics). Each material is precision heat-treated to achieve optimal hardness (HRC 58–65), perfectly balancing wear resistance and impact toughness for specific material types.
  3. Custom Solutions: We provide fully tailored blades for all granulator types (single-shaft, twin-shaft, central granulators) and applications. Customization covers tooth geometry (straight, serrated, hook, wave), dimensions, bore sizes, and specialized coatings (TiN, TiCN, DLC) to prevent material sticking, reduce friction, and extend blade life.
  4. Quality Assurance: Every blade undergoes rigorous hardness testing, metallographic analysis, and dynamic performance checks. We ensure full compliance with international standards (ISO 9001), with blades certified for material composition, structural integrity, and operational durability, guaranteeing consistent performance and 40% longer service life in demanding recycling environments.

How to Install Plastic Shredder Blades: A Step-by-Step Guide with Safety Tips

Proper plastic shredder blade installation is crucial for equipment efficiency and operational safety. Follow this essential step-by-step guide to ensure optimal performance and safe blade replacement.

plastic crusher safety preparation 3 essential steps for machine maintenance operation

Why This Matters? Following these steps enhances equipment longevity, reduces downtime, and prioritizes operator safety. For more detailed guidelines, refer to industrial safety standards and machine-specific manuals.

Plastic Crusher Safety Preparation: 3 Essential Steps for Machine Maintenance & Operation

Ensuring safety and efficiency in industrial operations starts with proper equipment preparation. Here are the key steps for plastic crusher safety and maintenance, optimized for search engine visibility:
1. Power Disconnection & Initial Safety Check
Always begin by completely cutting off the power supply to the crusher. This critical step prevents accidental startup and ensures operator safety during maintenance. Verify that the power is disconnected at the source and use lockout/tagout procedures if applicable.  
2. Material Clearance & Cavity Cleaning
Open the feeding port and protective cover, then lower the screen rack. Manually rotate the balance wheel or blade架 to thoroughly empty all residual plastic materials from the crushing chamber. This eliminates potential interference with new material and reduces risks during trial runs.  
3. Tool Preparation & Lubrication
Gather all necessary tools, including wrenches (e.g., 24mm, 14mm, or specialized blade installation wrenches), brushes, or air guns for cleaning. Apply lubricants if required to maintain smooth operation. Proper tools ensure efficient and safe maintenance procedures.

removing old blades from plastic crusher industrial maintenance safety

Why This Matters: Proper blade handling extends equipment life, reduces repair costs, and ensures operational safety. Follow manufacturer guidelines for model-specific instructions.

Removing Old Blades from Plastic Crusher | Industrial Maintenance & Safety

1. Disassemble Fixed Blades on Front/Rear Body
Use appropriate tools (e.g., wrenches or screwdrivers) to remove the lock blade screws and detach fixed blades from both front and rear crusher bodies. For older models, preliminary steps may include dismantling the motor and rear cover plate to access blade components safely.
2.  Extract Moving Blades from Blade Holder
Carefully remove moving blades from the blade holder. If screws are overly tight or stripped, apply a moderate amount of lubricant to ease disassembly. For severely worn screws, replace them immediately to prevent operational failures and ensure crusher stability.
Pro Tips for Efficiency & Safety:
·Always disconnect power before blade maintenance to avoid accidental startup.
·Use protective gloves and tools to handle sharp blades, reducing injury risks.
·Regularly inspect screw conditions and replace worn parts to minimize downtime.

plastic crusher chamber cleaning blade inspection

Why This Matters? Proper blade handling extends equipment life, reduces repair costs, and ensures operational safety. Follow manufacturer guidelines for model-specific instructions.

Plastic Crusher Chamber Cleaning & Blade Inspection

1. Disassemble Fixed Blades on Front/Rear Body  
Use appropriate tools (e.g., wrenches or screwdrivers) to remove the lock blade screws and detach fixed blades from both front and rear crusher bodies. For older models, preliminary steps may include dismantling the motor and rear cover plate to access blade components safely. 
2.  Extract Moving Blades from Blade Holder  
Carefully remove moving blades from the blade holder. If screws are overly tight or stripped, apply a moderate amount of lubricant to ease disassembly. For severely worn screws, replace them immediately to prevent operational failures and ensure crusher stability.
Pro Tips for Efficiency & Safety:  
•Always disconnect power before blade maintenance to avoid accidental startup.
• Use protective gloves and tools to handle sharp blades, reducing injury risks.
• Regularly inspect screw conditions and replace worn parts to minimize downtime.

critical safety alert 4 non-negotiable rules for circular blade operation

Why This Matters: Precise blade installation maximizes crushing efficiency, reduces energy consumption, and extends equipment lifespan. Always follow manufacturer guidelines for model-specific requirements.

Professional Guide: Installing New Blades in Plastic Crusher

Correct installation order is critical for plastic crusher efficiency and safety. Always install fixed blades first, followed by moving blades to ensure precise alignment and operational stability .
1.Installing Front Fixed Blades
•Orient blades with the logo side facing upward and the cutting edge directed inward toward the crushing chamber.
•Securely fasten using lock blade screws and fine-tune the positioning by adjusting the fixed blade screws for optimal front-to-back alignment .
2.Installing Moving Blades (Varies by Blade Type)
•For Flat/Claw Blades: Begin by installing left and right moving blades on the same plane. Rotate the blade holder to observe the alignment between moving and front fixed blades. Adjust the gap using fixed blade screws while ensuring both moving blades are symmetrically positioned. Avoid disturbing the pre-adjusted front fixed blades during this process.
•For Sheet Blades: Start with the right (or left) moving blade. Rotate the balance wheel to check the blade gap and adjust accordingly without altering the front fixed blades.
3.Installing Rear Fixed Blades
•Position the blade with the logo side up and the cutting edge facing inward. Temporarily secure with lock blade screws and adjust the placement via screws. Rotate the balance wheel to verify that left/right moving blades pass through smoothly with consistent gaps. Tighten all screws without modifying previously adjusted front fixed or moving blades.
4.Installing Remaining Moving Blades
•Install all remaining moving blades one by one. After each installation, rotate the balance wheel to confirm seamless movement between front and rear fixed blades with uniform gaps. Avoid adjusting fixed blades during this phase.
Pro Tips for Success:
Maintain minimal blade gaps (ensuring no contact) regardless of material thickness—smaller gaps enhance cutting efficiency.
• Perform final torque checks on all screws to prevent loosening during operation.
• Conduct a test run without material to detect abnormalities before full operation.

precise blade gap adjustment for plastic crushers

Industry Insight: Proper blade alignment prevents material jamming, reduces downtime, and supports sustainable recycling operations. Always consult manufacturer guidelines for model-specific specifications.

Precise Blade Gap Adjustment for Plastic Crushers

Mastering Blade Clearance: Key to Optimal Crusher Performance
A critical misconception in plastic crusher maintenance is adjusting blade gap based solely on material size. This approach reduces cutting efficiency and increases energy consumption. The correct principle: maintain the smallest possible gap between moving and fixed blades without contact—ensuring tight yet collision-free alignment for superior shredding results. Ideal clearance typically ranges from 0.15-0.24mm, regardless of material thickness .
Why Precision Matters:
•Maximized Cutting Efficiency: Minimal gap reduces plastic tearing, ensuring clean, uniform fragments.
•Reduced Power Consumption: Lower resistance decreases motor strain, saving energy.
•Extended Blade Life: Prevent premature wear caused by friction or loose alignment.
•Consistent Output Quality: Achieve uniform particle size for downstream processing.
Pro Tip: Always measure gaps with a feeler gauge and verify clearance after tightening screws. For hard plastics (e.g., PVC pipes), lean toward the lower end (0.15mm); for softer materials (e.g., films), slightly larger gaps (up to 0.24mm) may suffice.

precision final check test for plastic crusher blade installation

Industry Insight: Ensure your plastic crusher knife installation is perfect with our professional final inspection and testing protocol. Maximize efficiency and safety.

Precision Final Check & Test for Plastic Crusher Blade Installation

Ensure a flawless and safe operation of your plastic granulator by performing these crucial final checks after blade installation.
1.Final Torque Check & Manual Rotation
Conduct a final thorough tightening of all blade screws. Ensure there is absolutely no looseness. Then, manually rotate the balance wheel or blade holder for several full cycles. This critical step allows you to visually confirm that all moving blades pass through the fixed blades smoothly, maintaining proper blade gap clearance without any contact, rubbing, or collision.
2.No-Load Test Run & Formal Operation
Close and secure the screen frame and feed hopper. Power on the machine and initiate a slow, gradual start. Allow the granulator to run under no-load conditions (without material) for a period of time. Listen intently for any unusual noises, vibrations, or irregularities which could indicate an installation issue. Only after confirming smooth and quiet no-load operation should you proceed to feed a small amount of material for a final operational test.

Raw Material

  • Full ranges of materials in stock
  • Mild steel: 1.0mm-6.0mm thickness
  • Stainless steel: 1.0mm-3.0mm thickness
  • Galvanized steel: 1.2mm-3.0mm
  • Aluminum sheet: 1.2mm-2.0mm

Laser Cutting

  • 1600W power for high speed and precision
  • Cut up to 12mm thickness steel
  • ±0.2mm tolerance accuracy
  • Handles mild steel, stainless steel, aluminum

Packaging

  • Industrial-grade protective packaging
  • Shock-absorbent materials
  • Customized crating solutions
  • Moisture-resistant sealing

Plastic Granulator Blades FAQ

Find answers to common questions about our high-performance plastic granulator blades

What materials are used in your premium Plastic Granulator Blades?

Our high-performance plastic granulator blades are engineered from advanced materials to ensure maximum durability and cutting efficiency:

  • Tool Steels (D2, M2, A8): Heat-treated to HRC 58-62 for excellent wear resistance and toughness, ideal for processing standard and engineering plastics .
  • Tungsten Carbide-Tipped: Exceptional hardness (HRC 70+) for abrasive materials like glass-filled polymers, offering 5-10x longer lifespan than standard steel blades .
  • High-Speed Steel (HSS): Perfect for high-volume processing with good thermal stability and impact resistance .
  • Stainless Steel: Corrosion-resistant solution for wet environments or processing corrosive materials .
  • Powder Metallurgy Steels: Superior homogeneity and wear resistance for demanding granulation applications .

Each material undergoes specialized heat treatment and precision grinding to achieve optimal performance characteristics .

How do I choose the right Plastic Granulator Blades for my application?

Selecting the optimal plastic granulator blades depends on several critical factors:

  1. Plastic Material Type: Soft plastics (PE, PP) require different blade geometry than hard plastics (PET, PVC) or abrasive materials (glass-filled polymers).
  2. Granulator Type: Single-shaft, twin-shaft, and central granulators each require specific blade designs and mounting systems.
  3. Production Capacity: High-volume operations need robust blades with enhanced wear resistance for continuous operation.
  4. Output Quality Requirements: Fine granulation demands precise tooth geometry and sharpness retention.
  5. Tooth Geometry: Straight, serrated, or hooked teeth are optimized for different material feeding and cutting actions.

Our engineering team provides customized recommendations based on your specific material, machine type, and production requirements.

What maintenance do Plastic Granulator Blades require?

Proper maintenance ensures extended blade life and optimal performance:

  • Regular Cleaning: Remove plastic residue after each shift using appropriate solvents to prevent buildup.
  • Periodic Inspection: Check weekly for dullness, chips, or wear exceeding one-third of the blade edge.
  • Precision Sharpening: Maintain cutting edges every 40-50 operating hours with proper angles (30-45°) and coolant to prevent overheating.
  • Alignment Checks: Ensure proper blade gap (0.1-0.5mm) between rotating and fixed blades for efficient cutting.
  • Proper Storage: Coat blades with anti-rust oil and store in dry conditions with edge protection.

Following a structured maintenance schedule can reduce operational costs by up to 40% and extend blade lifespan significantly.

Can you produce custom Plastic Granulator Blades?

Yes, we specialize in fully customizable plastic granulator blades tailored to your specific requirements:

  • Dimensions: Custom lengths (up to 1000mm), widths, thicknesses, and bore sizes to fit all granulator models
  • Tooth Designs: Custom tooth geometry, angles, and configurations for optimal material feeding and cutting efficiency
  • Material Selection: Choose from specialized steels, carbide tips, or coatings for your specific application
  • Special Coatings: Titanium nitride (TiN), chromium plating, or ceramic coatings for enhanced wear resistance and non-stick properties
  • ODM/OEM Services: Complete customization from drawings or samples for unique applications

Our engineering team can develop prototypes within 2-3 weeks, with minimum order quantities available for custom designs

What industries use your Plastic Granulator Blades?

Our plastic granulator blades serve diverse industrial applications worldwide:

Plastic Recycling: Processing post-consumer and post-industrial plastic waste into reusable granules
Manufacturing: In-house scrap recovery of production materials (runners, sprues, rejects) for reuse
Packaging Industry: Granulating plastic bottles, containers, films, and packaging materials
Automotive Sector: Recycling plastic components and synthetic materials from automotive waste
Compounding: Size reduction of virgin plastics and additives for material mixing
Laboratory Research: Sample preparation and testing of plastic materials in R&D facilities

We provide specialized blade solutions for each industry's unique material challenges and production requirements.

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