INDUSTRY COMPONENT

Impeller/Blades

Impeller/blades are rotating components in cooling fans that generate airflow through centrifugal or axial motion.

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Component Specifications

Definition
Impeller/blades are precision-engineered rotating elements in cooling fans designed to convert rotational energy into kinetic energy of air or gas. They consist of curved vanes mounted on a central hub that accelerate fluid outward (centrifugal) or along the axis (axial), creating pressure differentials for cooling applications in industrial machinery, HVAC systems, and electronic equipment.
Working Principle
Operates on aerodynamic principles: rotational motion imparts velocity to air molecules via blade curvature and angle of attack, creating low-pressure zones that draw in air and high-pressure zones that expel it, enabling continuous airflow for heat dissipation.
Materials
Aluminum alloys (e.g., 6061-T6), engineering plastics (ABS, PBT), stainless steel (AISI 304), or composite materials; selected based on corrosion resistance, weight, and thermal conductivity requirements.
Technical Parameters
  • Diameter 80-1200 mm
  • Hub Type Bore, threaded, or keyed
  • Blade Count 3-12 blades
  • Rotation Speed 500-3000 RPM
  • Static Pressure 0.1-2.5 inH₂O
  • Airflow Capacity 10-5000 CFM
Standards
ISO 5801, ISO 13349, DIN 24163

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Impeller/Blades.

cooling fan impeller industrial fan blades centrifugal impeller axial fan blades airflow components fan blade materials Impeller/Blades Impeller/Blades in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Cooling Fan

A fan component designed to dissipate heat from an industrial electromagnetic clutch-brake unit.

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Exhaust Fan

A mechanical ventilation device that extracts contaminated air, fumes, or particulates from industrial processes.

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Agitator (optional)

An optional mechanical device used to mix, blend, or homogenize the contents of a chemical storage tank.

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Engineering Analysis

Risks & Mitigation
  • Imbalance causing vibration
  • Fatigue failure from cyclic loading
  • Corrosion in humid environments
  • Material degradation at high temperatures
FMEA Triads
Trigger: Material fatigue from continuous operation
Failure: Crack propagation leading to blade fracture
Mitigation: Implement regular NDT inspections and use fatigue-resistant alloys
Trigger: Improper dynamic balancing
Failure: Excessive vibration damaging bearings
Mitigation: Precision balancing during manufacturing and install vibration sensors

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm for blade profile, ±0.5° for pitch angle
Test Method
Laser Doppler anemometry for airflow verification; modal analysis for vibration testing

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between centrifugal and axial impeller designs?

Centrifugal impellers redirect airflow perpendicular to the rotation axis for higher pressure, while axial designs move air parallel to the axis for higher volume at lower pressure.

How do blade angle and curvature affect fan performance?

Blade angle determines airflow direction and efficiency; increased curvature enhances pressure generation but may reduce flow rate if overly aggressive.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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