Rotor
In an electric motor the moving part is the rotor which turns the shaft to deliver the mechanical power. The rotor usually has conductors laid into it which carry currents that interact with the magnetic field of the stator to generate the forces that turn the shaft. However, some rotors carry permanent magnets, and the stator holds the conductors.
Stator
The stationary part is the stator, usually has either windings or permanent magnets. The force between the two magnetic fields tends to rotate the motor shaft. The commutator switches power to the coils as the rotor turns, keeping the magnetic poles of the rotor from ever fully aligning with the magnetic poles of the stator field, so that the rotor never stops (like a compass needle does), but rather keeps rotating as long as power is applied.
Linear Motor
Newland’s “U-channel” and “flat” brushless linear servomotors have proven ideal for robots, actuators, and positioning, assembly, machine tools, semiconductor equipment, electronic manufacturing, vision systems, and in many other industrial automation application. Our linear motor products are direct drive and consist of a no contacting forcer and “U-channel” or “flat” rare-earth magnet track. This design eliminates backlash, windup, wear, and maintenance issues associated with ball screw, belt, and rack and pinion based motion control and positioning systems. The noncontact design of the forcer and magnet track results in a maintenance-free system. We manufacture a complete line of linear motors to meet the demands of your industrial automation application.