Spindle & VFD

How to match a VFD to a CNC spindle: why rated current beats kilowatts, the parameters to change first, and why the drive trips at spindle stop.

A VFD factory walk-through of the eight fault families, the order to check them in, and why most overcurrent trips are not the drive's fault.

Air-cooled or water-cooled spindle? It depends on cycle time, not machine size. Temperature-rise numbers, bearing life math and the setup mistakes we see most

Quick Summary •Multiple processes, mixed materials, demand for high low-speed cutting torque → Constant power spindle •Miniature precision workpieces, jade & jewelry carving, ful

In November 2024, a customer from a precision parts factory reported that the newly purchased spindle from a supplier had poor quality, frequently triggering high-temperature alarm