Electrical switching & drive systems & components


maxon expands brushed DC motor range

Second Quarter 2008 Electrical switching & drive systems & components

The top performance range of maxon motor's RE program is being boosted with the addition of the RE65 power package which delivers 250 W. The motor is particularly suitable for applications where high efficiency, high power density and a minimal operating noise are crucial.

As with all maxon motor's mechanically commutated drives, the heart of the RE65 is the ironless rotor. This means that the drive works detent-free and has minimal rotor inertia. High torques and rapid acceleration times are produced in combination with the four-pole structure of the Neodymium permanent magnets.

Depending on the winding variation, the cylindrical drive, at 65 mm diameter and 130 mm length, delivers nominal torque of 0,5 to 0,9 Nm - at a nominal speed of 2400-3700 rpm. The power density is therefore more than double that of existing drives. The RE65 can reach efficiency levels of up to 90%. Combined with low nominal voltages in the 18-70 V range, the motor is ideally suited for battery-powered use, such as in electrical vehicles, transport and logistics equipment and mobile robots.

Preloaded ball bearings support low-vibration and low-noise operation, offering the best conditions for a long service life in conjunction with graphite brushes. maxon's established modular system can provide matching planetary drives, encoders and controllers, making the drive suitable for all kinds of applications in automation, engineering or medical technology.



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