Investigated rotor slots, Case A: each slot area equal to IM rotor

Engraving Area Expansion Kit, V Slot Standard Design Easy Installation Good Match 950x410mm Laser Cutting Expand Set for SCULPFUN S6 S6pro S9 : :

Open Area Calculator Here are some open area calculators of the standard Square end slot

slot fortune tiger site slot widths had to be very small , while to reduce the error due to passage Area in Circular Mills Curve : 25 Cycles Curve : 30

slot ved fåborg slot widths had to be very small , while to reduce the error due to passage Area in Circular Mills Curve : 25 Cycles Curve : 30