Mechanical“Brushes ME350 Armature Magnets (coil) Axis Comutator (rotates) Brushes (stationary) Brushes(电刷)and commutator(换向器)supply and switch current to armature while it rotates 1212 ME 350 Mechanical “Brushes” Brushes(电刷) and commutator (换向器) supply and switch current to armature while it rotates