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02 - Beckhoff Automation: Standstill torque tripled
The 'AM8300' servomotors from Beckhoff are a modular motor series with integrated water cooling, which enables a rated power of up to 40 kW to be delivered in the smallest installation space, depending on the size. According to the company, the stall torque is three times higher than that of comparable convection-cooled motors, and the new series is technologically based on the AM8000 series. Although the torque increases due to the water cooling, the rotor moment of inertia remains constant. The motors are available in five flange sizes, each with three lengths and with stall torques from 5.1 to 274 Nm. The servomotors can optionally be equipped with a backlash-free permanent magnet holding brake, shaft seal and keyway. Depending on the size, various feedback systems are available, including resolvers or batteryless single and multiturn encoders with One Cable Technology (OCT) or Hiperface. Thanks to the water cooling and IP65 degree of protection, the servomotor is also suitable for demanding ambient conditions and in particular for high ambient temperatures. Depending on the size, the AM8300 is equipped with a 1/8" or 1/4" thread for connecting the cooling circuit.