Motor Magnets - Arcs, Squares, Rectangles and Radial Rings

By: Michael Brand, SM Magnetics President & COO Motor design is a true balance of all materials:  magnets, stators, laminations, wire size & insulations, etc.  Choosing the best magnet begins with knowing your overall objectives with torque, RPM, and start-up load.  This article will only focus on the permanent magnet options for motors.  The three (3) most commonly used permanent magnets...

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