Automotive
Centrifugal Fan Impeller | Dynamic Balance & Precision Aerodynamics
Industrial/Gear Mold & Product Manufacturing. AC Heater Blower Motor Assembly, Blower Motor with Fan Fit
Specifications
- Material:
- PA66+30%GF / POM / PBT (High-Rigidity & Low-Creep Grade)
- Process:
- High-Speed Precision Injection (Optimized for circularity & blade symmetry)
- Mechanism:
- Multi-Slide Rotating Core / Collapsible Core for internal blade geometry
- Tolerance:
- +/- 0.03mm (Critical Concentricity & Dynamic Balance G2.5)
- Surface Finish:
- SPI-B1 / VDI 3400 Ref. 18 (Smooth airflow surface)
- Mold Steel:
- H13 / S136 (Hardened HRC 48-52 for glass-fiber abrasion resistance)
- Quality Control:
- 100% Dynamic Balancing Test / CMM Concentricity Validation
Product Description:
High-performance centrifugal blower wheel engineered for automotive HVAC systems and industrial air purification units. The tooling is specifically designed to manage the shrinkage of glass-filled polymers, ensuring extreme dimensional stability and blade pitch accuracy. Features a specialized gating system to eliminate gas traps and imbalance, achieving superior dynamic performance at high RPMs. This precision-engineered component ensures low-noise operation and high-efficiency airflow, meeting the rigorous durability and safety standards required by global Tier-1 HVAC assembly lines.
Product Overview
This is a high-performance centrifugal fan impeller (squirrel-cage blower wheel), custom-manufactured using advanced precision injection molding. It features a multi-blade design engineered for high-efficiency airflow, low noise levels, and stable operation in high-speed rotation environments.
At JST Mold, we specialize in producing complex rotating components. This impeller demonstrates our ability to mold dozens of thin, curved blades with perfect symmetry, ensuring excellent dynamic balance—a critical factor in preventing vibration and extending the motor life of automotive and household appliances.
Key Features
- Optimal Aerodynamic Design: Features numerous precisely angled blades designed to maximize air pressure and volume while minimizing turbulence and acoustic noise.
- Superior Dynamic Balance: Manufactured with extreme dimensional consistency to ensure the center of gravity is perfectly aligned, allowing for vibration-free operation at high RPMs.
- Integrated Center Hub: Includes a reinforced center hub for secure mounting to motor shafts, designed to handle high torque and frequent start-stop cycles.
- High-Durability Materials: Typically molded with engineering plastics such as PP, PA66 (Nylon), or ABS, offering excellent impact resistance, heat stability, and long-term structural integrity.
- Precision Thin-Wall Molding: Demonstrates our expertise in filling complex, multi-fin molds without defects like short shots or air traps, ensuring every blade is uniform.
Technical Specifications
Item | Details |
Manufacturing Process | High-Precision Plastic Injection Molding |
Product Type | Centrifugal Impeller / Squirrel-Cage Blower Wheel |
Common Materials | PP, PA66+GF, ABS, or AS (Customizable) |
Key Performance | Dynamic Balance Control, High Airflow, Low Vibration |
Surface Finish | Smooth Technical Finish to reduce air friction |
Application Industry | Automotive HVAC, Air Purifiers, Kitchen Hoods, Industrial Blowers |
Service Model | OEM / ODM Custom Tooling and Mass Production |
AC Heater Blower Motor Assembly, Blower Motor with Fan Fit
【Feature】Blower Motor, Directly fit, no special tools required. Durable Material, Larger Air Volume and Low Noise.
Multiple materials can be selected
Why Choose JST Mold for Fan & Blower Components?
- Balancing Expertise: We focus on mold symmetry and gate placement to ensure that the final part is naturally balanced, reducing the need for secondary balancing processes.
- Advanced Mold Flow Analysis: We use simulation software to optimize the filling of dozens of thin blades, ensuring uniform density and preventing warping.
- Strict Quality Control: Every impeller batch undergoes dimensional inspection and rotational testing to meet the rigorous standards of the automotive and appliance industries.