Cedrat Technologies, innovation in mechatronicsCedrat Technologies, innovation in mechatronics

Cedrat Technologies, innovation in mechatronics

Micromotor based on film permanent magnets

A design of a single phase step micro motor is presented. The rotor has been optimised to induce the greatest magnetic energy using film permanent magnets. A special study has been performed to select the most advantageous magnetisation direction and the structure has been chosen taking into account micro technologies characteristics and the present know-how available for realisation of prototypes. A scale 2 prototype has already been realised. Its special air gap tuning for film magnet test is presented, as well as first torque measurements.


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