MDD025A-N-100-N2G-040GL1

MDD Synchronous Motors

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1 Year Warranty Included
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The Bosch Rexroth Indramat MDD025A-N-100-N2G-040GL1 motor for digital drive controllers from MDD Synchronous Motors delivers 0.33 Nm continuous torque at standstill and 10000 min^-1 speed, featuring resolver feedback and a holding brake (1.0 Nm). Its 40 mm centering diameter plain shaft has a shaft seal and left connector.

Technical Specifications

Balancing
Standard

Holding Brake
With blocking brake

Holding Brake Torque
1.0 Nm

Centering Diameter
40 mm

Housing
Standard

Motor Feedback
Resolver feedback

Continuous Torque at Standstill
0.33 Nm

Motor Length Code
A

Motor Size
025

Nominal Speed
10000 min⁻¹

Shaft Seal
With shaft seal

Shaft Type
Plain shaft

Connection Direction
Left

Connection Type
Connector

Product Type
Motor for digital drive controllers

Shaft End
Standard (without side B shaft end)

Frequently Asked Questions

How does the “40 mm centering diameter” affect mechanical alignment and coupling?

A 40 mm centering diameter ensures compatibility with standard mounting hubs and ensures precise concentricity when mounted; misalignment beyond tolerances can cause vibration, bearing wear and loss of positional precision, especially at high speed.

In what ways does the Bosch Rexroth MDD025A-N-100-N2G-040GL1’s peak (or overload) torque compare with its continuous torque?

Although the spec sheet gives 0.33 Nm continuous at standstill, during short peaks or overload situations the motor can deliver significantly higher torque (for acceleration or transient load), limited by thermal capacity and drive current headroom; careful selection of the drive, cooling, and duty-cycle is necessary to avoid overheating.

What are the electrical drive requirements and considerations for using a blocking brake?

The brake coil requires its own control circuit (often DC voltage supply) to release the brake; when power is off, the brake engages, so you should ensure proper wiring, consider response time, and avoid leaving the brake coil energized for excessive durations to limit heating.

What trade-offs arise from using a plain shaft versus one with keyway or spline for torque transmission?

Plain shafts simplify machining and reduce complexity, but require precision clamping or coupling to transmit torque; keyways/splines give more positive torque transmission and anti-slip, but introduce stress concentrations and possibly reduce fatigue life unless carefully designed.

What specific considerations should one take when integrating the Bosch Rexroth Indramat MDD025A-N-100-N2G-040GL1 motor into a robotics or medical device application?

In robotics/medical use, one must account for low backlash, noise, and precise motion control: ensure the drive’s resolver conversion latency is acceptable, that the holding brake does not introduce torque perturbations when releasing, and that thermal design (cooling, duty cycle) is sufficient to avoid drift or overheating in tight mounting or sterilizable enclosures.

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Internal Product Review

The MDD025A-N-100-N2G-040GL1 motor from Bosch Rexroth features a nominal speed of 10,000 min⁻¹ and continuous torque of 0.33 Nm. It includes resolver feedback, a plain shaft with shaft seal, and a 1.0 Nm blocking brake. This motor is ideal for use in robotics, electronics assembly, and automated medical devices.