Portescap: Brushless Slotless Motor

Oct. 21, 2014
The 16 mm Ultra ECH mini motor platform is designed to provide an economic motor solution for high performance applications.

The unit is specifically optimized for high continuous torque at low to medium speeds, maximizing power between 40 k and 55 k rpm, with rated speed at approximately 60 k rpm. An enhanced high efficiency magnetic circuit significantly reduces both iron and recirculation losses, the primary causes for motor stator heating. The motor coil also achieves higher available torque and mechanical power compared to similar brushless motors. The result is the motor runs cooler and offers greater power density than equivalent models within its target operating zone. The unit is a good choice for geared applications because of its minimal speed drop and low motor heating under load. Additionally, its efficiency, power density and long life make it an alternative for a brush DC motors, and its low inertia design makes it suitable for applications requiring fast stopping, starting and acceleration. The motor is available in 36 and 52 mm length versions, with hall sensors and three different coils to match speed and voltage requirements. Available customization includes gearboxes, encoders, sensorless versions, coil variations, and mechanical interface modifications.

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