Guide

Whenthecommutation
brushtouchesthemetallic
partofthecommutator,
theelectriccurrentflows
onthearmature.Whenthe
electriccurrentflows,the
armaturebecomesan
electromagnet.TheN-pole
andS-poleofthe
electromagnetare
attractedbytheS-pole
andN-poleofthemagnets
thatareplacedoneither
sideofthearmature,soit
startstorotate.
1
2
Afterrotatingthe
armaturebyattractingthe
N-poleandS-poletoeach
other,thecommutation
brushandmetallicpartof
thecommutatorseparate.
Becauseofthis
separation,theelectric
currentcannotflowonthe
armature.Thiscausesthe
armaturetolosetheforce
oftheelectromagnet.
Ifyoulookclosely,the
commutatorhasametallic
partandanon-metallicpart.
Metallicpart
non-metallicpart.
MagnetMagnet
N
S
S
N
S
Metallicpartstouch
eachother
Metallicpartsdonot
toucheachother
Magnet
Magnet
13
Mechanism of the motor