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BRUSH and BRUSHLESS Motors. Advantages of a Brushless Pen Motor: 1. Durability: The increased life expectancy means it is more durable. 2. Size: The size of the pen can be smaller because the motor is smaller than the Brushed Motor. 3. Lighter Weight: The lighter weight of the motor means less struggle. 4. Electronic: Brushless motors use electronic commutations rather than mechanical (brushes). The efficiency also increases optimal balance, quieter and smoother.
5.
Efficiency:
There is no
friction in a Brushless machine. The rotor and the stator Brushes cause heat
and loss of energy.
Brushed Motors have
one attractive advantage:
1. Maintenance: These motors are manufactured with carbon brushes. These can result in wear and tear of the brushes: maintenance cost can often increase. 2. Heating: As there is friction in this type of motor, overheating may be a problem decreasing power. 3. Battery: The battery efficiency is quite poor for these motors. The overall battery drain due to the overheating is a concern for Brush motors.
Drawback:
BRUSHLESS
Motors cost more.
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