MDD090C-N-030-N2L-130GL0

MDD Synchronous Motors

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The Bosch Rexroth Indramat MDD090C-N-030-N2L-130GL0, part of the MDD Synchronous Motors series, delivers 10.4 Nm continuous torque at standstill at 3000 min⁻¹ nominal speed with digital servo feedback (DSF). It features a 130 mm centering diameter and a left-side connector for efficient integration.

Technical Specifications

Balancing
Standard

Holding Brake
Without blocking brake

Centering Diameter
130 mm

Housing
Standard

Motor Feedback
Digital servo feedback (DSF)

Continuous Torque at Standstill
10.4 Nm

Motor Length Code
C

Motor Size
090

Nominal Speed
3000 min⁻¹

Shaft Seal
With shaft seal

Shaft Type
Plain shaft

Connection Direction
Left

Connection Type
Connector

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Frequently Asked Questions

What does “plain shaft with shaft seal” mean for maintenance and environmental protection?

The plain shaft offers flexibility for couplings or pulleys, while the shaft seal helps protect internal bearings and windings from dust, oil, or contaminants. However, the seal adds friction and must be properly installed and maintained to preserve its effectiveness.

How does using Digital Servo Feedback (DSF) influence control precision and response time?

DSF gives high-fidelity position/speed signals that improve closed-loop control accuracy, reduce lag, and allow tighter control of torque/speed transitions. It also demands compatible drive electronics and proper servo tuning to fully exploit the DSF’s performance.

What are the trade-offs of having “without blocking brake / no holding brake” in industrial applications?

Without a holding brake, the motor cannot prevent load drift or back-drive when unpowered; this may require external brakes or mechanical locks in vertical or otherwise gravity-affected axes. On the plus side, it simplifies the motor design and reduces cost, weight, and response delay associated with engaging/disengaging brakes.

What to check in the drive electronics when integrating this motor to ensure compatibility?

Ensure the drive supports synchronous permanent magnet motors, can supply the required current for 10.4 Nm at standstill, matches the DSF protocol, and has adequate overcurrent / overload protection; also that connector polarity and pin assignments match Bosch Rexroth’s standard.

How does shaft seal quality impact rotational inertia and dynamic response?

A good seal adds some drag and slight increase in rotational resistance especially at startup or low speeds, which may slightly delay acceleration or precision positioning. In many industrial motion applications this is negligible, but for very high dynamic performance (fast step changes) it might be limiting.

Common Misspellings

Internal Product Review

The MDD090C-N-030-N2L-130GL0 motor from Bosch Rexroth is built for digital drive controllers and delivers 10.4 Nm continuous torque at standstill with a nominal speed of 3000 min⁻¹. It features a 130 mm centering diameter, digital servo feedback, plain shaft with shaft seal, and left-connector configuration. This motor is widely used in CNC machines, packaging systems, and industrial automation.