maxon motor introduces the EC4, a 4 mm diameter brushless DC motor and gearhead. The typical issue found with micro drives of this size is the output power is too low for the application requirements because of physical limitations. maxon increased the performance of this tiny motor using the latest winding technology along with the most powerful magnets available. This motor is available in two lengths, a short version with 0.5 W nominal power or a long version with 1.0 W nominal power.
High-performance ceramics are used for the gearhead carrier to make the motor capable of high input speeds and drive torques. The speed/torque gradient of the EC 4 is 50,000 rpm/mNm with a continuous torque of 0.4 mNm.
This 4 mm brushless DC servomotor finds use in miniature pumps, surgical robots, diagnostic devices, endoscopes and anywhere requiring miniaturization.
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