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.

Send Email Whatsapp Call Us
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 Rotary Blades for Burr-Free Industrial Cutting

Shengao Rotary Blades deliver exceptional burr-free slicing performance across films, textiles, metals, and composites. Engineered for ultra-precision (±0.03mm ISO-certified) and extended durability, our blades maintain optimal sharpness through high-speed production cycles, minimizing material waste and downtime .

Tailored Cutting Solutions

We specialize in custom rotary blades optimized for your specific application:
•Material-Specific Designs: Thin-film slitting blades (0.1–0.5mm) for clean foil separation; serrated-edge blades for fiber-reinforced composites; tungsten carbide blades for stainless steel shearing .
•Custom Geometry: Adjustable diameters (50–600mm), thickness (0.5–10mm), bore sizes, and edge configurations (smooth, toothed, or hooked) .

Advanced Materials & Coatings

•Core Materials:
•HSS (M2/W18Cr4V): Heat-resistant up to 600°C, ideal for high-speed paper/film slitting .
•Tungsten Carbide (YG8/YT15): 90+ HRA hardness for abrasive metals and composites .
•Performance Coatings:
•DLC (Diamond-Like Carbon): Reduces friction by 40%, prevents adhesive buildup in rubber/plastic cutting .
•TiN/TiCN: Enhances wear resistance for extended blade lifespan in metal processing .

Industry-Proven Efficiency

•Film & Packaging: Cleanly slit multilayer films (PET/PP) at 80–150 m/min with ≤0.03mm tolerance .
•Metal Fabrication: Cut stainless steel sheets and aerospace alloys with near-zero burr formation .
•Composite Materials: DLC-coated blades prevent delamination in carbon fiber/glass fiber laminates .

OEM Partnership Advantage

•End-to-End Customization: From prototype to mass production, with 72-hour rapid sampling.
•Smart Manufacturing: IoT-enabled blades with wear sensors for predictive maintenance.

Industrial Circular Blade Buy Guide

Premium cutting solutions for industrial applications

Rotary Blade

Rotary Blade

Request Quote
Circular Saw Blade

Circular Saw Blade

Request Quote
Circle Cutter

Circle Cutter

Request Quote
Round Blade

Round Blade

Request Quote
Circular Knife

Circular Knife

Request Quote
5 Products Found.

Blade Materials Classification

Premium cutting solutions for industrial applications

Stainless Steel Blades

Stainless Steel Blades

Request Quote
Special Coated Blades

Special Coated Blades

Request Quote
Tungsten Carbide Blades

Tungsten Carbide Blades

Request Quote
HSS Cutting Blades

HSS Cutting Blades

Request Quote
Premium Tool Steel Blades

Premium Tool Steel Blades

Request Quote
5 Products Found.

Industrial Blade Types

Premium cutting solutions for industrial applications

Rotary Cutting Blades

Rotary Cutting Blades

Request Quote
Circular Saw Blades

Circular Saw Blades

Request Quote
Slitter Blades

Slitter Blades

Request Quote
Double Bevel Blades

Double Bevel Blades

Request Quote
Single Bevel Blades

Single Bevel Blades

Request Quote
Serrated Cutting Blades

Serrated Cutting Blades

Request Quote
Plain-Edge Blades

Plain-Edge Blades

Request Quote
Indexable Inserts

Indexable Inserts

Request Quote
Solid Circular Blades

Solid Circular Blades

Request Quote
9 Products Found.

Circular Blade Applications

Premium cutting solutions for industrial applications

Composite Material Cutting

Composite Material Cutting

Request Quote
Electronic Material Slitting

Electronic Material Slitting

Request Quote
Precision Sawing

Precision Sawing

Request Quote
High-Efficiency Cutting

High-Efficiency Cutting

Request Quote
Hygienic Cutting

Hygienic Cutting

Request Quote
Pipe Cutting

Pipe Cutting

Request Quote
Sheet Metal Cutting

Sheet Metal Cutting

Request Quote
Die-Cutting Process

Die-Cutting Process

Request Quote
Slitting Applications

Slitting Applications

Request Quote
9 Products Found.

Advanced Features That Set Shengao Rotary Blades Apart

At Shengao, our precision rotary blades are engineered for exceptional performance and longevity in the most demanding industrial applications. Crafted from premium materials including hardened steel, tungsten carbide, and specialized alloys, our blades deliver superior cutting efficiency across diverse materials. Our rotary blades feature innovative tooth geometries and specialized coatings that reduce friction and prevent material buildup. With customizable diameters from 50mm to 1200mm and thicknesses from 0.5mm to 10mm, we provide tailored solutions for your specific cutting requirements.

Send Inquiry Now
precision circular blade hrc hardness customizable industrial cutting tool
shengao industrial cutting blades metal processing plastic recycling paper manufacturing

Application Fields of Shengao Industrial Blades

Shengao industrial blades are widely used across multiple industry sectors. From metal processing to plastic recycling, from paper manufacturing to food processing, our blades deliver excellent cutting performance, durability, and cost-effectiveness. In automotive manufacturing, packaging industry, construction engineering, electronic equipment and other fields, Shengao blades ensure efficient and precise cutting processing. In the recycling industry, our blades handle various materials including metals, plastics, and composites. In medical equipment manufacturing, Shengao blades guarantee precision machining quality for critical components.

Send Inquiry Now

Your #1 Precision Industrial Blades Factory in China

your #1 precision industrial blades factory in china
Shengao Blade Quality Control
  1. Precision Engineering: Benefit from our advanced manufacturing techniques that ensure exact tolerances and consistent blade performance.
  2. Material Expertise: Choose from a wide range of specialized alloys and coatings tailored to your cutting requirements.
  3. Custom Solutions: We design and produce blades to your exact specifications for unique applications.
  4. Quality Assurance: Every blade undergoes rigorous testing to meet international standards for durability and performance.
Precision Cutting with Shengao Blades
 

Precision Metal Cutting with Shengao Blades

Tungsten Carbide Blade Applications
 

Tungsten Carbide Blades for Hard Materials

High-Speed Steel Blade Performance
 

High-Speed Steel Blades in Production

Diamond-Coated Blade Applications
 

Diamond-Coated Blades for Specialty Applications

Professional Rotary Blades Installation Guide | Step-by-Step

Ultimate Guide to Industrial Rotary Blades Installation: Universal Steps & Critical Safety Protocols. While methods vary by blade type and equipment (e.g., slitters, crushers, woodworking machinery), this guide covers the essential procedures and precautions.
#Always consult your specific equipment manual for detailed operations.

circular blade installation

Pro Tip: Always verify blade rotation direction matches the saw's arrow indicator to prevent accidents and ensure seamless operation.
Why This Matters: Proper pre-installation checks enhance blade longevity, reduce downtime, and align with industrial safety standards. Share this guide to promote workplace safety!

Essential Pre-Installation Guide: 3 Key Steps for Rotary Blades Replacement

1. Inspect New Rotary Blades Thoroughly
Before installation, carefully examine the new Rotary Blades for any cracks, distortions, missing teeth, or irregularities. This ensures optimal performance and prevents operational hazards.
2. Clean Mounting Area Completely
Thoroughly sanitize the saw table (or equipment) spindle, flange mount surfaces, and all washers/accessories. Remove all dust, debris, and oil residues to guarantee secure fitting and avoid slippage or imbalance.
3. Prioritize Personal Protective Equipment (PPE)
Operators must wear full safety gear: protective guards, industrial gloves, hard hats, safety shoes, and goggles. This minimizes injury risks from blade handling or accidental contact during installation.

Get Instant Quote Send Your Inquiry Now
ultimate guide 5 crucial steps for installing rotary blades safely efficiently

Pro Tip: After installation, ​​conduct a test run​​ at low speed without load to verify stability and alignment. Share this guide to promote workshop safety!
Why This Matters: Proper installation extends blade life, reduces downtime, and prioritizes operator safety. ​​Tag your team to spread awareness!​

Ultimate Guide: 5 Crucial Steps for Installing Rotary Blades Safely & Efficiently

Step 1: Confirm Rotation Direction (❗Critical Safety Check!)
Before installation, always verify the saw table (or equipment spindle)'s rotation direction. Ensure the cutting arrow marked on the rotary blades exactly matches the machine's rotation. Never install backward—this prevents tooth detachment and severe accidents.
Step 2: Mount the Blade Correctly
• Align the blade smoothly onto the equipment spindle, ensuring the center hole fits perfectly.  
• Secure all washers (spacers) if included in the assembly.  
• Attach the flange and locking nut in the sequence specified by the manufacturer.  
Step 3: Preliminary Fixing & Inspection
✓ Hand-Tighten Initially: Manually secure the locking nut until snug—avoid over-tightening at this stage to prevent thread damage or misalignment.
✓ Manual Rotation Check: Gently spin the blade by hand to verify smooth operation, zero eccentricity, and no wobbling. If vibration or irregular movement occurs, immediately re-inspect the blade, flange, and washers for misalignment, damage, or contamination.
Step 4: Final Tightening
• Use a torque wrench to tighten the locking nut to the manufacturer's specified value. This ensures optimal grip without over-compression or loosening risks.
Step 5: Post-Installation Verification
• Visually confirm the blade is mounted squarely and firmly.  
• Clear the work area of tools and debris to prevent operational hazards.

Get Instant Quote Send Your Inquiry Now
ultimate guide post-installation checks test procedures for circular blades

Ultimate Guide: Post-Installation Checks & Test Procedures for Rotary Blades

Step 1: No-Load Test Run (❗Critical Safety Step!)  
After installing the new rotary blades, always conduct a no-load test run:  
• Power on the equipment and let the blade rotate at low speed (without material contact) for 1 minute minimum. This allows the blade to adapt and ensures operational stability.  
• Observe closely for abnormal vibrations, uneven rotation, or unusual noises. If any irregularity occurs, immediately stop and recheck blade alignment and fixation.  
• Never exceed the blade’s maximum RPM (revolutions per minute). Over-speeding risks blade disintegration and severe accidents.
Step 2: Initial Test Cutting (✓ Precision Validation)  
Once the no-load test succeeds, proceed with test cutting:  
• Start with low feed pressure or speed to evaluate cutting performance. Gradually increase parameters only if results are satisfactory.  
• Verify cutting quality: Check for clean edges, minimal burrs, and consistent material separation. Irregularities may indicate improper installation or blade defects.  
• Monitor equipment load: Abnormal motor strain or overheating signals misalignment or excessive friction.

Get Instant Quote Send Your Inquiry Now
critical safety alert 4 non-negotiable rules for circular blade operation

CRITICAL SAFETY ALERT: 4 Non-Negotiable Rules for Rotary Blades Operation

1. Direction! Direction! Direction! – Zero-Compromise Priority
Always verify the blade's rotation direction matches the equipment's rotation arrow. Reverse installation causes tooth detachment, catastrophic failure, and severe accidents. Double-check arrow alignment before operation! 
2. Avoid Impact & Handle with Extreme Care
Carbide-tipped teeth are ultra-hard but brittle. Never collide or drop blades—always handle gently using protective gloves. Even minor impacts cause micro-fractures, leading to sudden failure during high-speed operation. 
3. Vertical Storage – Prevent Deformation
Store blades vertically on dry racks. Flat storage causes warping, imbalance, and vibration risks. Protect your investment by ensuring distortion-free storage conditions. 
4. Use Professional Tools & Follow OEM Specs
Always use manufacturer-recommended tools (e.g., torque wrenches) for installation. Strictly adhere to OEM torque values and procedures—over-tightening damages threads, under-tightening causes slippage. Never bypass safety protocols!

Get Instant Quote Send Your Inquiry Now
  • Material
  • Laser Cutting
  • Punching
  • Bending
  • Welding
  • Polishing
  • Foaming
  • Wire Drawing
  • Assembling
  • Cleaning
  • Quality
  • Packaging

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

Rotary Blades FAQ

Find answers to common questions about our industrial rotary blades

What materials are Shengao rotary blades made from?

Shengao rotary blades are crafted from premium materials to ensure durability and performance:

  • High-Carbon Steel: Ideal for general-purpose cutting with excellent edge retention
  • Tungsten Carbide: Superior wear resistance for cutting abrasive materials
  • Stainless Steel: Corrosion-resistant blades for wet or humid environments
  • Ceramic-Coated: Non-stick surface for cutting adhesive materials

Each material undergoes specialized heat treatment to achieve optimal hardness (HRC 58-62) while maintaining toughness.

How do I choose the right rotary blade for my application?

Selecting the appropriate rotary blade depends on several factors:

  1. Material Type: Different materials require specific blade compositions
  2. Cutting Thickness: Thicker materials require blades with larger diameters
  3. Production Speed: High-speed applications need blades with specialized tooth geometry
  4. Cut Quality: Fine-cut applications require blades with more teeth

Our technical team can provide customized recommendations based on your specific requirements and machine specifications.

What maintenance do rotary blades require?

Proper maintenance extends blade life and ensures optimal performance:

  • Regular Cleaning: Remove residue after each use to prevent buildup
  • Periodic Sharpening: Maintain cutting edge sharpness every 50-100 operating hours
  • Proper Storage: Store blades vertically in a dry environment
  • Rotation: Rotate blades in multi-blade systems to ensure even wear

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

Can Shengao produce custom-sized rotary blades?

Yes, we specialize in custom circular blade manufacturing:

  • Diameter Range: From 50mm to 2000mm
  • Bore Sizes: Custom bore sizes with keyways or special drive mechanisms
  • Tooth Configurations: Custom tooth count, angle, and geometry
  • Special Coatings: TiN, TiCN, Diamond-Like Carbon (DLC) coatings

Our engineering team can develop prototypes within 7-10 working days. Minimum order quantities start at just 5 units for custom blades.

What industries use Shengao rotary blades?

Our rotary blades serve diverse industrial applications:

Recycling: Plastic, paper and metal waste processing
Packaging: Corrugated cardboard, plastic films, foils
Automotive: Interior fabrics, insulation materials
Textiles: Fabric cutting, synthetic materials

We also serve the construction, aerospace, and food processing industries with specialized cutting solutions.

Related Article About Shengao

Discover insights and innovations in industrial blade technology

Installation Guides
Installation Guides

Installation Guides

Learn More
2025-08-26 16:55:32
User Manuals
User Manuals

User Manuals

Learn More
2025-08-26 16:59:06
Technical Drawings
Technical Drawings

Technical Drawings

Learn More
2025-08-26 16:59:16

Visit Our Factory

Our Professional Team

Custom Meeting
Shengao Team
Custom Visiting
shredder blade storage
blade storage shelf
Cutting blade show
factory show
Factory Overview
factory manufacture blade

Send Your Inquiry Today

Choose File

Supported formats: PDF, JPG, PNG, DOC, DWG. Max file size: 5MB