2.2 kW Air-Cooled Spindle Impeller Cooling Fan
The 2.2 kW Air-Cooled Spindle Impeller Cooling Fan is an essential thermal protective component designed to sustain high-velocity heat dissipation on air-cooled CNC spindle casings. Molded from reinforced, high-strength industrial polymer composite, this fan is precision-engineered to mount directly onto the rear rotating shaft of the spindle motor. Operating at speeds reaching up to 24,000 RPM, it uses optimized aerodynamic fin paths to draw a steady column of ambient air across the external cooling fins of the aluminum stator housing. A damaged or brittle fan drastically lowers forced convection efficiency, causing rapid thermal expansion of the windings, breakdown of coil insulation, and terminal bearing binding. This replacement piece features a perfectly balanced concentric design to reduce rotational inertia, eliminate shaft vibrations, and ensure quiet, long-term operational life during intensive mechanical cutting and wood carving production cycles.
- Engineered explicitly for standard industrial 2.2kW air-cooled spindle motor profiles
- Molded from high-impact reinforced polymer composite to resist fracturing at high RPMs
- Aerodynamically optimized impeller blade geometry for maximized static forced-air pressure
- Concentric shaft mounting hole holds exceptional balance, preventing high-speed vibrations
- Excellent heat, moisture, and fine dust resistance suitable for intensive wood routing spaces
- Lightweight, push-fit / locking ring design allows for quick and seamless repair servicing
Comparative Technical Spindle Motor Configurations Matrix
Use the structural data catalog matrix below to evaluate power outputs, maximum RPM, operating voltages, and cooling styles across standard TriQuench CNC spindle models.
| Spindle Capacity | Operating Speed | Operating Voltage | Cooling System |
|---|---|---|---|
| 12.0 kW | 18,000 RPM | 380 V | Water-Cooled |
| 0.8 kW | 24,000 RPM | 220 V | Air-Cooled (Long Shaft) |
| 3.7 kW | 40,000 RPM | 380 V | Water-Cooled ISO20 |
| 9.0 kW | 18,000 RPM | 380 V | Air-Cooled |
Technical Specifications
| Technical Parameter | Engineering Specification Value |
|---|---|
| MODEL NUMBER | 2.2KW-AC-FAN |
| COMPATIBLE SPINDLE POWER | 2.2 kW (Air-Cooled Configurations) |
| MATERIAL COMPOSITION | High-Density Reinforced Industrial Polymer |
| MAX ROTATIONAL SPEED | 24000 RPM Rated |
| COOLING METHOD | Forced Convection / Shaft-Driven Air Blast |
| MECHANICAL | boreType: Standard Parallel Circular Shaft-Fit | balanceGrade: Dynamic High-RPM Balance Graded | thermalTolerance: High Structural Integrity under Elevated Motor Housing Temperatures |
Industrial Applications
| Usage Scenario | Target Industry |
|---|---|
| Forced Air Convection Cooling for 2.2kW Round and Square CNC Spindles | CNC Router Manufacturing and Machine Tool Assembly Plants |
| Direct Shaft Replacement Fan for High-Speed Woodworking Router Motors | Woodworking, Cabinetry, and Decorative Modular Panel Factories |
| Thermal Maintenance Overhauls on Advertising Signage Machine Spindles | Acrylic Fabrication, Architectural Model Making, and Signage Production |
| Forced Air Displacement on Light Non-Ferrous Metal Milling Tooling Heads | Industrial Machine Maintenance Repair Providers and Spindle Service Centers |
Technical FAQ & Operational Guide
How do I know when it is time to replace my air-cooled spindle fan?
You should inspect the fan immediately if you notice a sudden increase in spindle operating temperatures, a loud whistling/whining noise, or high-frequency vibrations during idle spin-ups. Visually check for any cracked blades, chips caused by vacuum debris, or a loose fit around the rear shaft slot.
Can I use this 2.2kW fan on a 1.5kW or 3.5kW air-cooled spindle motor?
This fan is specifically balanced and dimensioned for the body frame and shaft diameter of standard 2.2kW motors. A 1.5kW spindle typically utilizes a smaller shaft bore, whereas a 3.5kW spindle requires a significantly wider blade layout to move adequate air volumes. Always verify your motor shaft diameter before installation.
Does the direction of rotation affect the cooling performance of the fan?
Our high-speed spindle fans utilize radial centrifugal blade profiles. This symmetric geometric arrangement is engineered to draw air efficiently regardless of whether your spindle software program spins clockwise (CW) or counter-clockwise (CCW), providing continuous cooling safety.
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