What Purpose Is Served By The Pole Shoe In A Dc Machine?

What Purpose Is Served By The Pole Shoe In A Dc Machine?

Pole shoe is attached to pole core by means of counter shunk screw. Pole shoe is made up of cast iron or cast steel. Pole shoe is laminated in orelder to reduce eddy current. The mainy purpose of pole shoe of dc machine is given as

I.) Pole shoe provide mechanical support to the field winding.

II.) It distributes the magnetic field uniformly through air gap.

III.) It provide low reluctance path for field flux.