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R911262590 (MDD115D-N-015-N2M-180GA0)

MDD Synchronous Motors

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911262590 (MDD115D-N-015-N2M-180GA0) is a digital AC servo motor from the MDD series by Bosch Rexroth. It features a 180 mm centering diameter, standard housing, and a plain shaft with a shaft seal. The unit incorporates a multi-turn absolute encoder for digital servo feedback (DSF), providing ±0.5 angular minutes system accuracy and maintaining absolute position through power cycles. The motor delivers a continuous torque at standstill of 57.0 Nm, nominal speed of 1500 min⁻¹, and can achieve a maximum torque of 177.3 Nm. It utilizes rare-earth permanent magnets for low inertia, operates without a holding brake, and includes an integrated thermal sensor. The IP65-rated casing is sealed against dust and contact. Bearings have a nominal lifespan of 30,000 operating hours.

Technical Specifications

Product Type
Digital AC Servo Motors

System Accuracy
±0.5 Angular Minutes

Thermal Sensor
Yes, in Windings

Application Suitability
Dynamic Applications

Nominal Speed
1500 RPM

Theoretical Maximum Torque
177.3 Nm

Protection Standard
IP65

Material
Rare-earth Materials (For Permanent Magnet)

Bearings Lifespan
30,000 Operating Hours

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.

MDD115DN015N2M180GA0

MDD115D N 015 N2M 180GA0

mdd115d-n-015-n2m-180ga0

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.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MDD115D-N-015-N2M-180GA0.
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