Product Description:

The MST360D-0012-FT-NZCD-N305 stator is produced by Bosch Rexroth Indramat for the MST Synchronous Torque Motors series. This frameless motor component forms the stationary part of a direct-drive assembly intended for high-torque, low-speed rotary duties in industrial automation, such as indexing tables or plastic extrusion screws. By eliminating the backlash of gearboxes, it enables precise angular positioning and smooth continuous drive profiles at comparatively modest shaft speeds.

At its nominal operating point, the stator develops 525 Nm of continuous torque while turning at 115 rpm, producing a mechanical output of 6.30 kW. Drawing an RMS phase current of 15.7 A, it is matched to drive inverters that can supply the required current through power leads with a 2.5 mm² cross-section. Heat generated by copper and core losses is removed by liquid flowing through the integrated liquid-cooling jacket and contained further by a thermal encapsulation compound that stabilizes winding temperature. To account for resistive losses, the three-phase winding shows 5.4 Ω at 20 °C, and the housing can dissipate up to 3.60 kW into the coolant circuit during peak duty. The cooling arrangement supports continuous low-speed operation in process equipment that runs under sustained load.

During acceleration or intermittent overloads, the motor can supply 1150 Nm of peak torque while the current rises to 39.8 A without exceeding insulation limits. Electronic control is simplified by the torque constant of 33.33 Nm/A, meaning the drive can predict torque output directly from phase current. Back-EMF reaches 2.043 V/rpm, a voltage constant that allows field-oriented algorithms to regulate flux up to the maximum electrical speed of 190 rpm. Magnetic energy is stored in a 46.2 mH inductance that filters current ripple, and the encapsulated iron stack weighs 28.8 kg, contributing to mechanical stiffness and vibration damping during slow, high-force motion cycles.