What type of VFD is required for 40,000 RPM?

This motor operates at a frequency of 666 Hz. You must use a Variable Frequency Drive (VFD) that supports output frequencies up to at least 700 Hz. Standard industrial VFDs capped at 400 Hz will not allow the motor to reach its rated speed.

Is water cooling essential for this compact motor?

Yes. At 40,000 RPM, the friction in the internal bearings generates significant heat relative to the motor's size. Water cooling ensures that the P4 grade bearings remain at a stable temperature, preventing expansion and maintaining the micron-level accuracy required for bangle making and PCB work.

What is the largest tool shank I can use with this spindle?

This model uses the ER11 collet system, which generally supports tool shanks from 0.5mm up to 7mm. This is ideal for the micro-tools, engraving bits, and PCB drills typically used at these high rotational speeds.

CNC Spindle Motor✓ In Stock & Ready to Ship

CNC Spindle Motor 1.2 kW, 40,000 RPM, 220V High Speed Water Cooled

SKU / Model: L12600R220M1

Power Rating1.2 kw

Max Speed40,000 rpm

Cooling MethodWater Cooled

Interface / Spec220v

The 1.2 kW Water-Cooled CNC Spindle Motor is a specialized high-speed solution engineered for applications requiring exceptional rotational velocity and fine-detail accuracy. Delivering a robust 1.2 kW output at a peak speed of 40,000 RPM, this motor is specifically designed for intricate CNC bangle making and high-density PCB drilling. Driven by a 666 Hz frequency, the spindle provides a consistent 0.42 N.m of torque, ensuring vibration-free operation even at extreme speeds.

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