MDD115D-N-015-N2M-180GA0

MDD Synchronous Motors

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The MDD115D-N-015-N2M-180GA0 from Bosch Rexroth Indramat offers a continuous torque of 57.0 Nm and a motor size of 115. Part of the MDD Synchronous Motors series, it runs at 1500 min-1 and has an integrated multiturn absolute encoder. It uses digital servo feedback (DSF), has no blocking brake, and features a plain shaft.

It includes a shaft seal and a connector-type connection on Side A. The centering diameter is 180 mm. Length code D suits digital drive controllers.

Technical Specifications

Balancing
Standard

Holding Brake
Without blocking brake

Centering Diameter
180 mm

Housing
Standard

Encoder
Integrated multiturn absolute encoder

Motor feedback
Digital servo feedback (DSF)

Continuous Torque at Standstill
57.0 Nm

Motor Length Code
D

Motor Size
115

Nominal Speed
1500 min⁻¹

Shaft Seal
With shaft seal

Shaft Type
Plain shaft

Connection Direction
Side A

Connection Type
Connector

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Frequently Asked Questions

What role does Digital Servo Feedback (DSF) play in MDD115D-N-015-N2M-180GA0 control loops?

The DSF delivers high-resolution velocity/position data to digital drive controllers for tightening current and speed loops for accurate contouring. It also supports diagnostics and parameterization consistency across MDD series installations.

How does the shaft seal and plain-shaft configuration support reliability in particulate or coolant-rich environments?

The seal limits ingress to the front bearing while maintaining low friction at rated speed that is useful in machining and converting lines. Its standard plain shaft eases coupling to gearboxes, belt drives or direct pinions.

What mounting interfaces are defined by the 180 mm centering diameter on MDD115D-N-015-N2M-180GA0?

It ensures concentricity and repeatable face mounting to compatible gearheads or machine plates for minimizing runout. It is important to verify pilot fit tolerances and dowel schema during integration to preserve alignment and encoder accuracy.

Can the 57.0 Nm continuous torque at standstill be used for static forming or indexing, and what thermal considerations apply on MDD115D-N-015-N2M-180GA0?

Yes, the continuous stall torque is intended for sustained low-speed duty within thermal limits; monitor winding temperatures and cooling. Its duty-cycle modeling should consider ambient, mounting orientation and cabinet airflow.

What does “balancing: standard” imply for vibration behavior and coupling selection on the MDD115D-N-015-N2M-180GA0?

Its supports typical servo speeds with elastomeric or zero-backlash couplings when mounted concentrically. For elevated speed bands or sensitive metrology axes, consider precision couplings and on-site trim balancing.

Common Misspellings

Internal Product Review

The Rexroth Indramat’s MDD115D-N-015-N2M-180GA0 servo motor relies on digital servo system for feedback and it also integrated a multiturn absolute encoder. It is designed to support 57 Nm continuous stall torque and 1500 min⁻¹ rated nominal speed. This motor comes in length D and size 115 design. It is accompanied by a plain shaft with seal and is mainly used in machine tools and robotics.