What is the advantage of a square body design for a 7.5kW spindle?

The square body provides a larger and flatter mounting surface compared to round spindles. This enhances the overall rigidity of the machine headstock, significantly reducing vibration during heavy-duty cutting operations and improving surface finish.

Does this spindle require a water chiller?

No, this is an air-cooled model. It utilizes a high-performance integrated fan to dissipate heat, making it easier to maintain and install in environments where liquid cooling systems are impractical.

Can I use large diameter tools with this spindle?

Yes, the ER40 collet interface is designed for heavy industrial use, supporting tool shanks from 3mm up to 30mm. This is ideal for large material removal bits used in pattern and foam cutting.

CNC Spindle Motor✓ In Stock & Ready to Ship

CNC Spindle Motor 7.5 kW, 18000 RPM, 380V Air-Cooled Square ER40

SKU / Model: SQ75180R380M140

Power Rating7.5 kw

Max Speed18000 rpm

Cooling MethodAir Cooled

Interface / Spec380v

The 7.5 kW Air-Cooled Square Spindle Motor is a high-stability industrial powerhouse designed for substantial CNC tasks that demand significant cutting force and thermal reliability. Featuring a robust square body design for enhanced mounting rigidity, this motor delivers a high torque of 6.65 Nm, making it the primary choice for CNC pattern making, industrial foam cutting, and heavy wood carving. Operating at 18,000 RPM with a frequency range of 300 Hz – 400 Hz, it ensures efficient material removal across dense substrates.

Shop Online