Product Description:

The MST360B-0018-FT-N0CN-NNNN is a frameless synchronous torque motor built by Bosch Rexroth Indramat for the MST Synchronous Torque Motors series. It serves as a direct-drive element in indexing tables, printing cylinders, and similar assemblies where slow rotation and high angular accuracy are required. By producing torque at the shaft without mechanical reduction, it removes backlash and improves positioning repeatability inside automated production lines that depend on accurate low-speed motion.

Under continuous operation, the rotor maintains a speed of 180 min⁻¹ while supplying 375.0 Nm, and this operating point translates to a mechanical output of 7.10 kW. To support that load, the stator draws a phase current of 20.0 A, and the magnetic design allows momentary output to climb to 900 Nm for rapid acceleration or disturbance rejection during axis reversals. Liquid cooling circulates fluid through the housing so copper losses are removed directly, and the windings are fixed in place by thermal encapsulation, which improves heat transfer and helps prevent vibration fatigue. No motor encoder is integrated, leaving feedback selection to the machine designer and allowing the motion system to use an external sensor that matches the application. Power enters through conductors with a 2.5 mm² cross-section that fits the torque density of this frame.

Dynamic limits are set by the permissible line current of 70.0 A, and the standstill demand is 22.6 A, which gives the drive controller a clear margin for short-term overload. Each ampere applied at 20 °C yields 18.80 Nm/A, and back electromotive force rises linearly at 1.220 V min⁻¹, which supports predictable speed control. The laminated core has a coil inductance of 19.2 mH, while copper resistance is held to 2.43 Ω at 20 °C to limit I²R losses. The inductance influences how quickly current can change, and the low resistance helps control winding heat during sustained operation.