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ProductsHigh-Precision Single-Cavity Injection Mold for Industrial Multi-Blade Impellers
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High-Precision Single-Cavity Injection Mold for Industrial Multi-Blade Impellers

Technical Engineering Case: High-Precision Single-Cavity Injection Mold for Industrial Multi-Blade Impellers

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Premium 1-Cavity Injection Mold for High-Precision Multi-Blade Industrial Impellers

Mastering Rotational Balance in Industrial Ventilation

This single-cavity injection mold is specifically designed for high-performance multi-blade impellers used in industrial ventilation, automotive cooling systems, and HVAC units. Engineering an impeller mold requires extreme precision to ensure every blade is aerodynamically identical. At JST Mold, we specialize in rotational tooling that achieves perfect dynamic balance, a critical factor for high-RPM operation and significant noise reduction in demanding cooling applications.


Key Engineering Advantages
  • Optimized Blade Aerodynamics: The mold core is machined using high-speed CNC and precision mirror EDM to create a multi-blade geometry that maximizes airflow while minimizing drag. This precision prevents vibration and extends the operational lifespan of the end-use fan motor.
    
  • Integrated Hot Runner System: Equipped with a high-performance hot runner manifold to ensure perfectly balanced material flow. This allows for the simultaneous filling of dozens of thin-walled blades at consistent pressure, effectively eliminating defects like air traps or short shots.
    
  • Advanced Thermal Regulation: Featuring a multi-circuit cooling layout that follows the intricate contours of the impeller blades. This high-efficiency thermal design ensures rapid heat dissipation, reducing cycle times and preventing part warpage for a stable production environment.
    
  • Industrial Hardened Steel Construction: Manufactured using premium hardened tool steels (such as 1.2344, S136, or H13) hardened to HRC 48-52. This ensures the mold maintains its sharp edges and dimensional accuracy even when processing abrasive resins for over 1,000,000 shots.
    
    
Why Partner with JST Mold for Complex Tooling?
  1. Dynamic Balance Control: We utilize specialized Mold Flow analysis to optimize gate placement, ensuring the center of gravity of the impeller remains perfectly centered from the very first T1 trial.
    
  1. High-Volume Capability: Designed for 24/7 industrial production, our molds are built to provide consistent, high-quality output with minimal maintenance requirements, delivering a higher ROI.
    
  1. Comprehensive Validation: We provide full dimensional CMM inspection reports and T1-T3 trial logs to ensure the mold is production-ready for global export and immediate operation.
    
Technical Specifications Overview
  • Tooling Category: High-Precision Single-Cavity Impeller Mold
  • Application: Industrial Fans, Automotive Cooling, HVAC Blower Wheels
  • Runner System: Multi-Point Balanced Hot Runner
  • Steel Grade: Hardened S136, 1.2344, or H13 (HRC 48-52)
  • Precision Tolerance: Micron-level blade uniformity (+/- 0.01mm)
  • Mold Life Expectancy: Designed for 1,000,000+ Shots
  • Industry Compliance: Fully compliant with IATF 16949 Quality Standards
    
KEY Words Tags

Industrial fan mold, impeller injection tooling, multi-blade fan mold, JST Mold precision engineering, cooling fan mold maker, HVAC part manufacturing, centrifugal fan mold, precision plastic tool factory.