Assertion: commutator | /r/MadeOf | a set of copper segments
Facets:
value: by mica insulating material
type: OTHER
value: in most cases
type: TEMPORAL
Source sentences:
text: A commutator consists of a set of copper segments, fixed around the part of the circumference of the rotating machine, or the rotor, and a set of spring-loaded brushes fixed to the stationary frame of the machine.
text: Commutators consist of a steel core and a set of copper segments, insulated from each, in most cases, by mica insulating material.
text: A commutator consists of a set of copper segments, fixed around the part of the circumference of the rotating machine, or the rotor, and a set of spring-loaded brushes fixed to the stationary frame of the machine.