The broad world of DC motors is divided into two basic categories: brushed and brushless. The brushed motor has been around “forever” and while billions of such motors in use prove it can work well, ...

With the increasing use of variable-frequency drives (VFDs), there is increased generation of electrical currents on shaft motors, causing electrical damage to bearings. Manufacturers and end users ...

A motor — or a generator — requires some normal magnets and some electromagnets. The usual arrangement is to have a brushed commutator that both powers the electromagnets and switches their polarity ...

DC Motors were king in industry up until the late 1980s; These motors were popular because they were able to run to a variable speed setpoint, and they could run at full torque from stall to base ...

When choosing a modern power tool, there are many factors to consider before buying. The power source, brand, and price are arguably the most important, but there's one more key distinction to make: ...