Product Description:

The MDD090A-N-020-N2M-130GL2 synchronous motor is manufactured by Bosch Rexroth Indramat as part of the MDD Synchronous Motors series. Intended for use with digital drive controllers, this motor converts electrical command signals into precise rotary motion for indexing tables, feed axes, and other industrial automation stages. Its size 090 frame, plain shaft, and A-length housing allow it to fit into medium-duty servo applications where stable torque, absolute position feedback, and compact dimensions are required. This design supports accurate speed regulation and repeatable positioning in automated machinery that requires consistent servo response during frequent starts and stops.

When energized by an inverter, the motor can hold loads at standstill with a continuous torque of 3.7 Nm. Once rotation is commanded, the speed loop can be regulated up to 2000 rpm, allowing spindles or transfer axes to operate within the motor's thermal range. Rotor angle is reported by an integrated multi-turn absolute encoder, so the controller receives a unique position value even after power loss. Mechanical alignment is aided by a centering shoulder that measures 130 mm in diameter, letting the flange seat accurately against machine plates. For static holding during emergency stops or vertical loads, a blocking brake provides up to 11.0 Nm of braking torque when de-energized.

Cabling is routed to the housing's left side, where the power and feedback plugs sit in a compact connector block. Position data exits as digital servo feedback, supporting high-resolution velocity and position control without an external encoder interface. The internal feedback arrangement keeps the motor package compact at the machine interface. Oil and dust ingress at the shaft passage is limited by a fitted shaft seal. The plain shaft end allows direct connection to gearboxes, belt pulleys, or couplings, and standard dynamic balancing helps limit vibration transmitted to adjacent machine components.