Why DC motors have open slots?

slot wedges in dc machine   Dan slot hole punch

Slot wedges in a dc machine is made up of A cast iron B silicon steel C fibre D mild steel

In the case of large machines slot wedges are additionally used to restrain the coils from flying away EE3303 ELECTRICAL MACHINES-I Page 6 ROHINI COLLEGE slot and is secured in place by special hard wooden or fibre wedges An 8-pole lap-wound generator has 120 slots having 4 conductors per slot If each

buffalo slot machine las vegas Key words：Large hydroelectric generator; Stator slot wedges; Tightness; The classification The percussion device is a DC push-pull A Cleaning of slots B Removing of winding C Removing of wedges D Cutting of winding wire 44 Which insulating material used in winding is a