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.

CNC Spindle Motors & Accessories✓ In Stock & Ready to Ship

2.2 kW Air-Cooled Spindle Impeller Cooling Fan

SKU / Model: TQ-SP-FAN-2.2KW

Power Rating2.2 kw

Max SpeedUp to 60,000 RPM

Cooling MethodAir Cooled

Interface / SpecP4 Precision Grade

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.

Shop Online