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Products2-Cavity Mold for Centrifugal Fan Impellers | Blower Wheel Tooling for Automotive HVAC & Appliances
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2-Cavity Mold for Centrifugal Fan Impellers | Blower Wheel Tooling for Automotive HVAC & Appliances

Hardened Steel Injection Mould Toolmakers for mass production. 1,000,000 shots of mold life span in European HASCO standard.

Service Details

Service Duration6-12 months
Service ContentStrategic planning, system selection, implementation guidance, staff training
DeliverablesDigital transformation plan, system implementation, training materials
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High-Precision 2-Cavity Injection Mold for Centrifugal Fan Impellers | Custom Blower Wheel Tooling for Automotive HVAC & Appliances


Product Overview

This is a high-performance 2-cavity plastic injection mold specifically engineered for the mass production of centrifugal fan impellers (blower wheels). These components are critical for automotive climate control (HVAC) systems, air purifiers, and industrial ventilation.
At JST Mold, we specialize in the "Thin-Wall & Multi-Blade" challenges of impeller tooling. This mold features a highly symmetrical 2-cavity layout, ensuring that every impeller produced is identical in weight and geometry—a fundamental requirement for achieving the perfect dynamic balancenecessary for high-speed, low-noise operation.


Key Features

  • Precision Multi-Blade Tooling:The mold utilizes advanced high-speed CNC and mirror EDM technology to form dozens of identical, aerodynamically curved blades with micron-level accuracy.
  • 2-Cavity High-Efficiency Production:Doubling the output per cycle while maintaining extreme dimensional consistency between cavities, significantly reducing manufacturing costs.
  • Advanced Hot Runner System:Equipped with a premium hot runner manifold (red components) to ensure balanced plastic flow into the thin-walled blades, preventing short shots and air traps.
  • Superior Dynamic Balance Control:Our mold design focuses on perfect symmetry around the central hub, ensuring the molded parts require minimal secondary balancing, extending the life of the fan motors.
  • Optimized Cooling Circuitry:Features a sophisticated multi-zone cooling system to manage the heat dissipation of the complex core area, preventing blade warping and shortening cycle times.


Technical Specifications

Item
Details
Application
Automotive HVAC, Air Purifiers, Blowers, HVAC Systems
Mold Type
2-CavityPrecision Centrifugal Fan Mold
Part Type
Centrifugal Impeller / Squirrel-Cage Blower Wheel
Tooling Steel
Hardened S136 (Stainless)or 1.2344 (High Durability)
Runner System
Balanced Hot Runner for even material distribution
Processing Technology
High-speed 5-axis CNC & Precision Mirror EDM
Mold Life
500,000 to 1,000,000+ shots
Industry Standards
Compliant with Automotive IATF 16949 Standards


Why Choose JST Mold for Impeller Tooling?

  1. Engineering for Balance:We perform rigorous Mold Flow and structural analysis to ensure that gates are positioned to maintain the part's rotational balance from the moment it is ejected.
  1. Complex Geometry Experts:Handling hundreds of thin-wall fins requires exceptional tooling skill. We ensure every blade has a smooth finish to reduce air noise and friction.
  1. Proven Track Record:We have delivered hundreds of impeller and fan molds to top-tier automotive and appliance manufacturers worldwide.


Keywords

Centrifugal fan mold, Blower wheel injection tool, 2-cavity impeller mold, Automotive HVAC fan mold, Precision fan blade tooling, JST Mold custom manufacturing, Plastic blower wheel mold maker, HVAC component molding.