MDD115D-F-020-N2L-180PA2

MDD Synchronous Motors

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The MDD115D-F-020-N2L-180PA2 is a size 115 motor with a centering diameter of 180 mm. Manufactured by Bosch Rexroth Indramat in the MDD Synchronous Motors series, it delivers 57 Nm continuous torque and features digital servo feedback. It includes a 60 Nm blocking brake, balancing, a sealed keyway shaft and side A connector.

Technical Specifications

Balancing
Standard

Holding Brake
With blocking brake

Holding Brake Torque
60.0 Nm

Centering Diameter
180 mm

Motor Feedback
Digital servo feedback (DSF)

Continuous Torque at Standstill
57.0 Nm

Motor Length Code
D

Motor Size
115

Nominal Speed
2000 min⁻¹

Shaft Seal
With shaft seal

Shaft Type
keyway

Connection Direction
Side A

Connection Type
Connector

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Housing Design
Standard

Frequently Asked Questions

How does a sealed keyway shaft help reliability on MDD115D-F-020-N2L-180PA2 in particulate-rich environments?

The seal limits ingress along the shaft for protecting front bearings and encoder air-gap from dust and coolant mist. Its keyed interface ensures backlash-free torque transmission with standard pulleys/couplings for simplifying field replacement.

What does the “D” length code imply for thermal behavior and continuous torque on MDD115D-F-020-N2L-180PA2?

It indicates a longer active stack within size 115 for providing surface area and thermal mass to sustain the specified 57 Nm at standstill. Its geometry supports both natural and surface-cooled duty configurations in the MDD family.

How does the 2000 min⁻¹ nominal speed of MDD115D-F-020-N2L-180PA2 map to gearbox selection and servo bandwidth?

It simplifies ratio choices for feed axes that balances motor inertia and reflected load. It allows adequate electrical bandwidth while avoiding excessive gear heating at common reduction ratios.

In mixed fleets, how does MDD115D-F-020-N2L-180PA2 integrate with Rexroth digital drive controllers?

The MDD motors are expressly designed as “motors for digital drive controllers” for enabling parameter templates, standardized commutation and diagnostics across DDC/DDS ecosystems. It shortens commissioning and supports predictive maintenance via consistent feedback data.

What duty profiles best exploit the 57 Nm continuous torque of MDD115D-F-020-N2L-180PA2 without thermal derating?

The interpolated moves with moderate dwell, tension-controlled webs and pick-and-place cycles with balanced accel/decel leverage its continuous torque and thermal time constant. For aggressive cycles, consider additional surface cooling per MDD planning guidance.

Common Misspellings

Internal Product Review

Bosch Rexroth designs the motor MDD115D-F-020-N2L-180PA2 that combines a 180 mm centering fit, keyed shaft with seal and DSF encoder. It delivers 57 Nm torque at standstill and operates at an angular speed of 2000 min⁻¹. This motor includes a 60 Nm blocking brake for safe operations that makes it ideal for packaging, printing, machine-tool axes, robotics and handling lines.