R911262589 (MDD115D-F-015-N2M-130GA1)

MDD Synchronous Motors

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The R911262589 (MDD115D-F-015-N2M-130GA1) is a brushless servo motor engineered for precise motion control with a nominal speed of 1500 min⁻¹ and a centering diameter of 130 mm. It incorporates a non-positive shaft-hub connection, shaft seal for fluid resistance, and a plain output shaft. The unit features digital servo feedback via an integrated multiturn absolute encoder, eliminating the need for an external sensor. Continuous torque at standstill reaches 57.0 Nm, with a holding brake torque of 45.0 Nm. The motor is designed for use with digital drive controllers and complies with Balance Class N (DIN VDE 0530). The housing is finished with black prime varnish and includes a built-in temperature monitoring system in the stator to prevent overheating. Lifetime-lubricated bearings support a maintenance-free operation.

Technical Specifications

Product
Bosch Rexroth MDD Servo Motor

Motor Type
Servo

Power Density
High

Nominal Speed
1,500 revolutions per minute

Centering Diameter
130mm

Output Shaft
Plain with sealing ring

Design
Brushless

Operation
Maintenance-free

Temperature Monitoring
Integrated in stator

Overload Capacities
High

Encoder System Accuracy
±0.5 angular minutes

Frequently Asked Questions

How does the 45.0 Nm blocking brake on MDD115D-F-015-N2M-130GA1 support safety and energy saving during controlled stops?

The brake mechanically locks the shaft when de-energized to prevent drift on gravity-loaded axes and reducing servo holding current. It complements functional safety strategies for safe torque off and stop categories.

Why is the 57.0 Nm continuous torque at standstill significant for MDD115D-F-015-N2M-130GA1 in vertical or press-feed axes?

Its sustained standstill torque resists load back-driving and maintains tool position under clamping or dwell without overheating. It enables precise force-holding phases in indexers, forming presses or vertical Z-axes.

How does Digital Servo Feedback (DSF) on MDD115D-F-015-N2M-130GA1 interact with Rexroth digital drive controllers?

It communicates precise rotor position/velocity to the controller for enabling high-bandwidth current, speed and position loops. Its result is smoother contouring, better disturbance rejection and simplified commissioning with standardized feedback wiring.

What installation implications follow from “connection direction: side A” and connector I/O on MDD115D-F-015-N2M-130GA1?

The cable routing must preserve bend radii and EMC separation between power and feedback that typically exits the side-A face. Its correct pinout and shielding are essential to maintain servo loop integrity and encoder signal quality.

What is the role of the 130 mm centering diameter on MDD115D-F-015-N2M-130GA1 during mounting and alignment?

The centering pilot ensures concentricity with the machine interface for minimizing runout and coupling misalignment. Proper pilot engagement reduces bearing loads and improves lifetime under cyclic servo dynamics.

Common Misspellings

Internal Product Review

The Indramat’s MDD115D-F-015-N2M-130GA1 servo motor couples an integrated multiturn absolute encoder with DSF for accurate servo positioning. It supplies 57 Nm at standstill and it includes a 45 Nm blocking brake. This motor has 130 mm centering and a plain, sealed shaft for easy mechanical couplings. It provides side-A connector for electrical connectivity in machine tools, packaging, textiles, printing and robotics.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.