Although we've described a number of different parts, you can think of a motor as having just two essential components: There's a permanent magnet (or magnets) around the edge of the motor case that remains static, so it's called thestatorof a motor. Inside the stator, there's the co...
If you want to run a motor from your household AC electricity supply, instead of from a DC battery, you need a different design of motor.In an AC motor, there's a ring of electromagnets arranged around the outside (making up the stator), which are designed to produce a rotating ...
Here's the stepper motor from a typical quartz alarm clock. In the left photo, you can see just the static bit of the motor (the bit that doesn't move), which comprises the copper-colored coil at the top and the silver-colored arms of what looks like a tuning fork running through i...
If both types of fluid power do similar jobs, why would you use a pneumatic machine instead of a hydraulic one, or use either of these in place of something electric? There are all sorts of different considerations to weigh up.Power