Popular Woodworking 2000-11 № 118, страница 5

BRUSHES

These rest against the commutator.

FIELD

Surrounds the armature, become magnetically charged.

jfe LVERSAL MOTOR

Universal motors are appearing in more tools, including benchtop table saws and portable planers.

V COMMUTATOR

Gets current from the brushes.

ARMATURE

Becomes magnetically charged with the current from the commutator.

FAN

Cools motor; makes noise.