R911269967 (MDD115D-N-020-N2L-130GA0)

MDD Synchronous Motors

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The Bosch Rexroth MPN R911269967 (MDD115D-N-020-N2L-130GA0) is a digital AC servomotor designed for use with digital drive controllers. It features high power density and low inertia due to a permanent magnet construction. The motor is equipped with a plain shaft for non-positive shaft-hub connections, a 130 mm centering diameter, a shaft seal, and a standard housing. Electrical connections are made via standardized side A connectors using 8 AWG cabling. Motor feedback is provided through digital servo feedback (DSF) for relative position detection. Key specifications include a continuous standstill current of 77 A with natural convection cooling and a continuous torque at standstill of 57.0 Nm. The device is balanced to standard, operates at a nominal speed of 2000 min⁻¹, and does not include a blocking brake or side B shaft end. Care should be taken to avoid fluid accumulation near the shaft when installed shaft up.

Technical Specifications

Power Density
High

Material
Permanent Magnets

Inertia
Low

Shaft Type
Plain

Shaft-Hub Connection
Non-Positive Type

Water Protection
Yes

Operating Limit Consideration
Yes

Installation Position
No Fluid Accumulation Around Shaft

Shaft Side
B Side

Electrical Connection
Standardized

Encoder Type
Relative Position Detection

Continuous Current in Standstill Mode
77A

Cooling Option
Natural Convection

Minimum Cross-Section of Power Cable
8AWG

Storage and Transport Protection
Against Tipping and Loading

Adhesion of Feedback Cable
Poor

Impact Prevention
Motor Shaft

Response Time with Drive Controller
Rapid

Core Type
Laminated with Permanent Magnets

Applicable Environmental Condition
Poo

Frequently Asked Questions

How does the 130 mm centering diameter and size-115/D package aid mechanical integration of MDD115D-N-020-N2L-130GA0?

The standardized pilot simplifies concentric alignment to gearheads or machine plates for minimizing runout and vibration. Its frame size 115, length code D provides installation repeatability across Rexroth MDD interfaces and accessories.

How does continuous torque at standstill (57 Nm) on MDD115D-N-020-N2L-130GA0 influence sizing for vertical or pressing axes?

It defines sustained force capability with zero speed for guiding gearbox ratio and thrust calculations. It evaluates static load plus safety factors.

What are control-system implications of using the product type “motor for digital drive controllers” with MDD115D-N-020-N2L-130GA0?

The motor identifies itself via DSF memory to Rexroth digital drives for enabling automatic parameter uptake and safe limits. It streamlines startup and helps prevent thermal or current over-stress.

How does standard balancing and housing on MDD115D-N-020-N2L-130GA0 affect vibration and acoustic behavior at speed?

It standard balance class curtails radial forces and bearing load for limiting structure-borne noise across the speed range. Its housing’s uniform mass/stiffness distribution further damps resonances in typical cabinet-mounted machine frames.

How does the Side-A connector orientation on MDD115D-N-020-N2L-130GA0 influence cable routing and EMC?

The side-A exit enables short shield-bonded runs to drives for lowering loop area and emissions. It is recommended to maintain 360° shield terminations and segregate power from feedback cables to preserve encoder signal integrity.

Common Misspellings

Internal Product Review

Bosch Rexroth Indramat produces MDD115D-N-020-N2L-130GA0 servo motor with low-inertia magnets. It uses digital servo feedback for precise positioning. It is rated for 57 Nm torque at standstill and it operates at 2000 RPM speed. This motor is equipped with a plain, sealed shaft, 130-mm pilot in size-115/D package. Its side-A connector and brake-less design streamline CNC, robotic and packaging axes.

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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Indramat USA 1 Year Warranty

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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.