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Heavy Duty Plastic Crusher Blade | Industrial Granulator Cutter for Plastic Recycling Machine

Condition : NewCETransport Package : Wooden CaseCertification : ISO9001:2008ISO9001:2000SKD-11RoHSHardness ：58HRC-60HRCmaterial :9CrSiThickness : Customized thickness availableService : OEM available

Industrial-grade plastic crusher blades for granulators. Perfect for plastic, rubber & farm recycling. Durable, sharp cutting tools.

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Heavy Duty Plastic Crusher Blade | Industrial Granulator Cutter

Industrial-grade plastic crusher blades for granulators

Durable, sharp cutting tools perfect for plastic, rubber & farm recycling applications. Engineered for industrial production.

Key Attributes

Brand Name

ShengAo

Type

Plastic crusher blade

Place of Origin

Anhui, China

Material

SKD11 / Customization

Applicable Industries

Plastic industry, Industrial production

Showroom Location

None

Quality Assurance

Quality Control Services

Machinery test report:

Provided

Video outgoing-inspection:

Provided

Warranty & Core Components

Warranty:

3 Months

Core Components:

SKD11 Steel

Warranty of core components:

3 months

Lead Time

Production Time Based on Order Quantity

Quantity (pieces)	Lead Time (days)	Production Status
1 - 5	7 days	Fast Production
6 - 20	15 days	Standard Schedule
21 - 50	30 days	Bulk Production
> 50	To be negotiated	Custom Schedule

Customization Options

Available Customization Services

Option	Min. order	Customization fee
Packaging (Wooden carton)	50 pieces	Contact for details
Material (Customization)	Contact for details	Contact for details

Raw Materials & Alloys

Crafted from premium materials for exceptional performance and durability

Alloy Structural Steel Blades

Hot Work Die Steel Blades

Blade Restoration Solutions

Wear-Resistant Steel Blades

YG8 Tungsten Carbide

Cold Work Die Steel Blades

Alloy Tool Steel Blades

About Our Heavy Duty Plastic Crusher Blades

Plastic crusher blades, also known as granulator cutters, are the essential cutting components that transform plastic waste into uniform regrind for recycling and reprocessing. These industrial-grade blades are engineered for high-volume plastic size reduction, working in tandem with stationary bed knives to achieve clean, consistent cutting action. Our heavy-duty plastic crusher blades are precision-engineered for maximum performance, durability, and operational efficiency in demanding industrial production environments.

Premium Material & Construction

Our plastic crusher blades are primarily manufactured from SKD11 tool steel, a high-carbon, high-chromium alloy known for its exceptional wear resistance, high hardness, and excellent dimensional stability. SKD11 maintains a sharp cutting edge significantly longer than standard steel grades, making it ideal for continuous plastic grinding operations. Each blade undergoes precision CNC machining followed by specialized vacuum heat treatment to achieve optimal hardness (typically HRC 58-62) and toughness. The final grinding process ensures a high-precision, burr-free cutting edge for smooth operation, consistent particle size output, and minimal energy consumption during plastic recycling processes.

Key Features & Operational Benefits

Engineered for industrial production, these plastic granulator cutters deliver significant operational advantages. Their exceptional wear resistance extends service life dramatically, reducing the frequency of blade changes and associated downtime in plastic recycling lines. The high hardness and edge retention ensure consistent cutting efficiency and uniform regrind quality throughout extended production runs. The blades are designed for high rigidity and impact resistance, capable of handling occasional hard contaminants or thick-walled plastic parts without chipping or deformation. This robust construction translates to stable throughput, reduced maintenance costs, and higher overall equipment effectiveness (OEE) for plastic processing facilities.

Application Industries & Materials

These versatile plastic crusher blades are designed for a wide range of plastic size reduction applications across multiple industries. They excel in processing: Common thermoplastics (PET, HDPE, LDPE, PP, PS, PVC), Engineering plastics (ABS, PC, Nylon, POM), Plastic film and sheets, Injection molding sprues and runners, Blow molding parisons and scrap, Plastic pipes and profiles, and selected rubber and elastomer materials. Key industries served include plastic recycling plants, injection molding facilities, blow molding operations, plastic product manufacturers, and material recovery facilities (MRFs). They are the ideal cutting solution for central granulators beside molding machines or standalone recycling systems.

Customization & Quality Assurance

We specialize in providing customized plastic crusher blade solutions to fit virtually any granulator model on the market. While our standard material is premium SKD11, we can customize to other tool steels (D2, DC53, etc.) based on your specific plastic type and operating conditions. Customization extends to all dimensions, hole patterns, and cutting edge geometries. Our commitment to quality is verified through comprehensive documentation: we provide both a detailed machinery test report and a video outgoing-inspection with every order. We back our products with a 3-month warranty on the core SKD11 steel component. Lead times are efficient and volume-based: 7 days for 1-5 pieces, 15 days for 6-20 pieces, and 30 days for 21-50 pieces. For larger orders (>50 pieces), we create a custom production schedule. Packaging in secure wooden cartons is available for orders of 50 pieces or more.

Top 5 Industrial Plastic Crusher Blade Manufacturers

Choosing a reliable manufacturer for plastic granulator blades is essential for maintaining consistent regrind quality, minimizing downtime, and ensuring cost-effective recycling operations. These brands are recognized for their material expertise, precision engineering, and understanding of plastic processing dynamics.

ShengAo

A leading manufacturer specializing in heavy-duty SKD11 plastic crusher blades for industrial granulators. Their blades are engineered for exceptional wear resistance, long service life, and precise cutting in continuous plastic recycling operations. Key advantages include the use of premium SKD11 tool steel (with material customization available), comprehensive quality assurance with machinery test reports and video inspections, a 3-month warranty on core components, and remarkably fast lead times (as quick as 7 days for small orders). Recognized for providing cost-effective, high-performance blade solutions that enhance productivity in plastic recycling and injection molding operations worldwide.

Premium SKD11 Steel 3-Month Warranty 7-Day Fast Lead Time

Rapid Granulator

A Swedish world leader in granulation technology, Rapid manufactures precision plastic crusher blades focusing on clean cutting action, consistent particle size, low energy consumption, and quiet operation. Their blades are designed for optimal performance in their own granulator systems and are known for innovative rotor and cutting geometry designs.

Clean Cutting Energy Efficient

Vecoplan

The German recycling technology specialist offers robust plastic crusher blades as part of their comprehensive size reduction solutions. Vecoplan blades are known for durability in demanding applications, efficient cutting chamber designs, and the ability to handle large volumes of plastic scrap, including films, lumps, and purgings.

German Engineering High-Volume Capable

Foremost Machine Builders

An established American manufacturer of size reduction equipment, Foremost produces durable plastic granulator blades known for their rugged construction, reliable performance, and good availability of replacement parts. Their blades are commonly used in North American plastic processing facilities.

Rugged Construction US Manufacturer

Various Chinese OEM Suppliers

A broad category encompassing numerous manufacturers in China offering cost-effective plastic crusher blade solutions. Quality can vary significantly, but many provide decent performance for standard applications. Brands like ShengAo stand out in this category by offering higher-grade materials (like SKD11), better quality control, and more reliable customization services compared to generic suppliers.

Cost-Effective Wide Availability

Frequently Asked Questions (FAQs)

Find expert answers to common questions about ShengAo Heavy Duty SKD11 Plastic Crusher Blades for industrial granulators and plastic recycling applications.

SKD11 steel (equivalent to D2 steel) is highly preferred for plastic crusher blades due to its optimal combination of properties for plastic cutting: 1) Exceptional Wear Resistance: High chromium content (11-13%) and vanadium provide superior resistance to abrasion from filled plastics and continuous use. 2) High Hardness with Good Toughness: Can achieve HRC 58-62 while maintaining sufficient toughness to resist chipping from occasional hard contaminants. 3) Excellent Dimensional Stability: Minimal distortion during heat treatment ensures precise blade geometry and tight cutting clearances. 4) Good Machinability & Grindability: Allows for precise manufacturing of complex cutting edge geometries. 5) Cost-Effectiveness: Provides the best balance of performance and durability for most industrial plastic granulation applications.

Determining the correct plastic crusher blade dimensions for your granulator requires identifying three key pieces of information: 1) Granulator Make and Model: This is the most reliable method. Provide the manufacturer (e.g., Rapid, Conair, NGR) and model number. 2) Physical Measurement: If the model is unknown, carefully measure an existing blade: Overall Length (L), Width (W), Thickness (T), and all hole diameters and their center-to-center distances. 3) Rotor Specifications: The number of blades per rotor and the rotor diameter. For the most accurate fit, we recommend providing a technical drawing or sending us a sample blade for reverse engineering. Our team can then confirm the exact specifications needed for your plastic recycling machine.

Our 3-month warranty covers defects in the core SKD11 steel material and workmanship under normal operating conditions. Specifically, it applies to: 1) Material Flaws: Cracks, porosity, or inclusions in the steel that cause premature failure. 2) Heat Treatment Defects: Improper hardening or tempering leading to abnormal wear, chipping, or breakage. 3) Manufacturing Defects: Significant dimensional errors preventing proper installation or operation. The warranty does not cover normal wear and tear, damage from improper installation (wrong torque, misalignment), operation outside design parameters (e.g., processing metals), or accidents. To make a claim, please contact us with your order number, photos of the issue, and a description of the operating conditions for plastic granulator maintenance support.

Yes, our standard SKD11 plastic crusher blades can process glass-filled and mineral-filled plastics, but with important considerations. SKD11 has good wear resistance, making it suitable for moderate levels of fillers (e.g., 10-30% glass fiber). However, for highly abrasive materials (e.g., >40% glass fiber, mineral-filled compounds), blade life will be reduced compared to processing virgin plastics. For such demanding applications, we may recommend: 1) Alternative Materials: Such as a more wear-resistant steel grade or a specialized treatment. 2) More Frequent Sharpening/Replacement: As part of your maintenance schedule. 3) Optimized Cutting Geometry: A different edge angle to reduce cutting force and abrasion. It's best to inform us about the specific filled plastic you are processing so we can advise on the most suitable industrial blade solution.

Our comprehensive quality assurance package includes two key documents: The Machinery Test Report is a formal certificate containing: 1) Material grade verification (SKD11). 2) Hardness test results (HRC values at specified locations). 3) Dimensional inspection data comparing actual measurements to your specifications. 4) Visual inspection notes on surface finish and edge quality. The Video Outgoing-Inspection provides visual verification of: 1) The final appearance of your blades. 2) Live demonstrations of critical measurements using precision tools. 3) A check of the cutting edge sharpness and absence of burrs. 4) The packaging process (if wooden carton is selected). This dual-layer verification ensures transparency and gives you confidence in the quality of your plastic granulator cutters before they ship.

The sharpening and replacement frequency for plastic crusher blades depends on several factors: 1) Plastic Material: Abrasive filled plastics require more frequent attention than virgin materials. 2) Throughput: Higher kg/hour rates increase wear. 3) Blade Material: SKD11 blades last longer than carbon steel. General guidelines: Monitor for these signs: Increased power consumption, poorer regrind quality (fines or uneven flakes), reduced throughput, or visible rounding of the cutting edge. Many operations schedule preventive maintenance: Sharpening every 200-500 operating hours, and complete replacement after 3-5 sharpenings, or when the blade width is reduced by 10-15%. Keeping a spare set of blades ensures minimal downtime during granulator maintenance.

Our 7-day lead time for orders of 1-5 pieces offers significant advantages for plastic processors: 1) Minimized Downtime: Get replacement blades quickly when faced with unexpected blade failure, getting your granulator back online fast. 2) Sample and Testing: Ideal for ordering a small quantity to test quality, fit, and performance before committing to a larger order. 3) Inventory Management: Allows for just-in-time (JIT) inventory practices, reducing capital tied up in spare parts. 4) Emergency Backup: Provides a rapid solution while waiting for a larger, scheduled order. This fast turnaround is made possible by our efficient production planning and stock of common SKD11 steel grades, ensuring you get high-quality plastic recycling blades when you need them most.

Yes, we specialize in providing replacement blades for rare and obsolete granulator models. Many OEMs discontinue support for older machines, making it difficult to find original parts. Our solution: 1) Reverse Engineering: If you can provide a sample blade (even if worn or broken), we can measure it precisely and manufacture an exact replacement in SKD11 steel. 2) Drawing Recreation: If you have partial or outdated drawings, our engineers can work with you to create accurate modern specifications. 3) Legacy Machine Expertise: We have experience with many older brands and models. The process may require a slightly longer lead time for the first order as we create the manufacturing template. This service helps extend the productive life of your existing plastic recycling equipment at a fraction of the cost of a new granulator.

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Heavy Duty Plastic Crusher Blade | Industrial Granulator Cutter for Plastic Recycling Machine

Product Video Demonstration

Product Specifications