MST360E-0018-FT-N0RN-NNNN Bosch Rexroth Indramat
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MPN: R911327417
The Bosch Rexroth Indramat MST360E-0018-FT-N0RN-NNNN is part of the MST Synchronous Torque Motors series. This motor provides a rated power of 16.50 kW and rated torque of 875 Nm at a rated speed of 180 rpm. It operates with a maximum current of 141.0 A and a coolant flow requirement of 6.0 L/min.
Internal Product Review
The MST360E-0018-FT-N0RN-NNNN is a synchronous torque motor with 875 Nm rated torque and 16.50 kW rated power. A 1900 Nm max torque paired with 300 rpm max speed supports impressive low-speed direct-drive performance in demanding axis applications. Excellent torque density and controlled output make the unit a strong choice for precision rotary systems.
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Product Description:
The MST360E-0018-FT-N0RN-NNNN is a frameless synchronous torque motor assembly produced by Bosch Rexroth Indramat for the MST Synchronous Torque Motors series. Intended for rotary tables, printing drums, and indexing axes, the unit delivers direct-drive motion so gearboxes are unnecessary, reducing compliance and backlash in automated machining and handling equipment. As a frameless assembly, it is integrated directly into the host machine structure, which helps reduce overall package size and supports a rigid connection between the motor and the driven load. This layout is useful in applications that require precise bidirectional positioning and high torsional stiffness at low speed. Its electromagnetic core relies on concentrated windings and a liquid-cooled stator jacket to maintain stable temperatures during continuous industrial duty cycles.
Under nominal load, the motor supplies 875 Nm of continuous torque while maintaining a rated speed of 180 rpm. At this operating point, it outputs 16.50 kW of mechanical power and requires a phase current of 42.0 A. A torque constant of 20.80 Nm/A allows the drive to relate commanded current to produced torque with predictable response. The magnetic circuit uses 25 pole pairs, which supports high torque production at low rotational speed and suits direct-drive table applications. Stator characteristics include 21 mH inductance and 1.3 Ω resistance at 20 °C, and these values influence current response and copper heating. Power leads sized 10.0 mm² and control conductors of 1.5 mm² provide separate paths for motor power and auxiliary connections.
For short bursts, the motor withstands a peak load of 1900 Nm and can draw up to 141.0 A without exceeding thermal or magnetic limits. Positioning cycles may reach a maximum speed of 300 rpm, after which back EMF exceeds the matched drive voltage. Losses during these overload intervals reach 4.00 kW and are removed by the integrated cooling jacket, which is specified for a flow rate of 6.0 L/min. This overload capability supports demanding start-stop motion, where brief acceleration peaks are needed before the motor returns to its continuous operating range. The liquid-cooling circuit moves heat away from the stator during repeated acceleration and deceleration in compact machine housings.
