Product Description:

The MST360D-0018-FH-N0KR-NNNN is a torque motor manufactured by Bosch Rexroth Indramat within the MST Synchronous Torque Motors series. As a frameless direct-drive unit, it mounts directly to the load shaft, eliminating gearboxes and converting electrical energy into high rotational force at very low speed for indexing tables, extruders, and similar automation axes. This layout can reduce backlash and maintenance because fewer mechanical transmission parts sit between the motor and the driven load. A cooling jacket integrated into the housing circulates liquid coolant, and the terminal box on the right side simplifies cabling in compact machinery layouts. Because the motor is supplied without an encoder, position feedback must come from an external sensor or the application must tolerate open-loop operation.

The continuous mechanical output reaches 9.90 kW under rated conditions and is produced while the rotor turns at a nominal 180 rpm. At this operating point, the shaft delivers a steady 525.0 Nm of torque, enabling slow yet forceful motion without overheating. The electromagnetic design converts input current to torque with a constant of 18.80 Nm/A, which helps with drive sizing and current-loop setup. For short overloads such as acceleration or impact loading, the motor withstands up to 1,150.0 Nm before thermal limits are reached. The low nominal speed is suited to rotary processes that need controlled holding and smooth indexing rather than high shaft velocity.

Electrical behavior is characterized by a peak line current of 100.0 A RMS, so conductors and the matching drive must be sized to deliver this amplitude without excessive voltage drop. The phase inductance of 15.5 mH helps filter current ripple, while a phase resistance of 1.9 ohms influences copper losses and voltage demand at high torque. The stator assembly weighs 47.0 kg, which adds thermal inertia and helps resist vibration once installed. These electrical characteristics must be matched with a compatible inverter so commanded torque can be produced without unnecessary heating. Liquid cooling through the encapsulated housing removes heat directly at the winding, and 4.0 mm² power leads routed through the terminal box on the right side complete the connection scheme.