Product Description:

The MST530C-0014-FT-N0SN-NNNN is a direct-drive synchronous torque motor manufactured by Bosch Rexroth Indramat within the MST Synchronous Torque Motors series. Designed for rotary axes that need large torque at low speed, the motor mounts directly to the load so no mechanical transmission is required. That arrangement eliminates backlash, reduces wear, and enables accurate positioning for indexing tables, printing cylinders, and extrusion screws in automated production lines. Because the rotor couples directly to the driven element, response remains smooth during slow-speed holding and indexing moves.

The motor has a rated speed of 125 rpm at its continuous operating point, and it can deliver a standstill torque of 1440 Nm without additional gearing. Heat generated at this load is removed by an internal jacket that supports liquid cooling, keeping the stator below thermal limits while dissipating 4.80 kW. A phase current of 35.8 A is required under nominal conditions, and a winding resistance of 1.187 Ω together with a winding inductance of 14.1 mH influences drive controller tuning. With a power rating of 15.70 kW and a torque rating of 1200 Nm, the machine can sustain high process forces, while a standstill current of 43.0 A sets the thermal load when the shaft is locked. The voltage constant of 1.486 V min⁻¹ and a maximum coolant inlet pressure of 6.0 bar set the expected drive voltage demand and cooling circuit requirements.

Dynamic reserve is available up to a maximum speed of 175 rpm, supported by a peak phase current of 100.0 A for short acceleration bursts. Electromagnetic conversion is characterized by a torque constant of 33.52 Nm/A, allowing the controller to estimate load response accurately. The cooling circuit must maintain a flow rate of 5.4 l/min to hold copper temperature within limits during rapid duty cycles.