INVENTION!
High efficiency, high speed motor  >60,000 rpm.
Less heat; no energy loss and > 5-10 Kw

Soon available: HDM48000-S
Small version CNC control with 7A motor current max.
 

Also:
world's fastest stepper motor > 60.000 rpm
Two phase AC but also 3 phase AC variations.
Ironless design: very high efficiency!

High Power >5Kw
High torque
High Precision
Accurate CNC control
No water cooling
Low weight