INDUSTRY COMPONENT

Fan Blades

Fan blades are rotating airfoils that generate airflow for cooling in radiator/fan assemblies through aerodynamic principles.

Component Specifications

Definition
Fan blades are precision-engineered rotating components designed as airfoils that convert rotational energy into kinetic airflow. In radiator/fan assemblies, they create directed air movement across heat exchange surfaces to dissipate thermal energy from cooling systems. Their geometry, pitch, and count are optimized for specific airflow requirements, pressure differentials, and noise reduction while maintaining structural integrity under centrifugal forces and thermal cycling.
Working Principle
Fan blades operate on aerodynamic principles where their curved airfoil shape creates pressure differentials between the leading and trailing edges during rotation. As the blades spin, they accelerate air molecules, generating airflow that moves from high-pressure areas to low-pressure areas. This directed airflow transfers heat from radiator fins through forced convection, enhancing cooling efficiency beyond natural convection methods.
Materials
Typically aluminum alloys (6061, 7075), engineering plastics (glass-filled nylon, PBT), or composite materials (carbon fiber reinforced polymers). Material selection depends on application requirements including weight, strength, corrosion resistance, temperature tolerance, and cost considerations.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Weight0.5-3.0 kg
Diameter300-500mm
Blade Count5-11 blades
Noise Level30-65 dBA
Pitch Angle20-45 degrees
Rotation Speed800-3000 RPM
Static Pressure0.1-0.5 inH2O
Airflow Capacity1000-5000 CFM

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 5801, ISO 13347, DIN 24163, AMCA 210

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Imbalance causing vibration
  • Fatigue failure from cyclic loading
  • Corrosion in harsh environments
  • Debris ingestion damage
  • Resonance at critical speeds
  • Material degradation at high temperatures
FMEA Triads
Trigger: Material fatigue from cyclic stress
Failure: Crack propagation leading to blade fracture
Mitigation: Regular NDT inspection, proper material selection with adequate fatigue strength, stress relief design features
Trigger: Corrosive environment exposure
Failure: Material thinning and structural weakening
Mitigation: Corrosion-resistant coatings, material selection (stainless alloys, composites), environmental protection measures
Trigger: Improper installation or imbalance
Failure: Excessive vibration leading to bearing wear and system failure
Mitigation: Precision balancing during manufacturing, proper installation procedures, vibration monitoring systems

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.5mm dimensional tolerance, ±1g balance tolerance, ±2° pitch angle tolerance
Test Method
Airflow performance testing per ISO 5801, vibration analysis per ISO 10816, material testing per ASTM standards, accelerated life testing under operational conditions

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Fan Blades

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Wuxi Junteng Fanghu Alloy Casting Co., Ltd.
Jiangsu, CN
Founded 2006
ISO9001 ISO14001
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Main Frame
The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.
Shaft Bearing
Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.
Seal Groove
Precision-machined groove in aluminum bearing housings designed to accommodate sealing elements for fluid containment and contamination prevention.

Frequently Asked Questions

What factors determine fan blade efficiency?

Blade geometry (airfoil shape, pitch, twist), material properties, surface finish, blade count, tip clearance, and rotational speed optimization for specific airflow and pressure requirements.

How do I select the right fan blade material?

Consider operating temperature range, chemical exposure, weight constraints, vibration resistance, corrosion requirements, and cost. Aluminum offers good strength-to-weight ratio, plastics reduce noise and cost, composites provide maximum performance in demanding applications.

What maintenance do fan blades require?

Regular inspection for cracks, deformation, or corrosion; cleaning to prevent debris accumulation; balancing checks; and replacement when wear exceeds tolerance limits or efficiency drops significantly.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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