MDD025A-N-100-N2G-040GR0

What are the implications of using resolver feedback in the MDD025A-N-100-N2G-040GR0 motor from Bosch Rexroth for control accuracy?

Resolver feedback provides robust, noise-resistant position sensing especially in harsh environments; it delivers coarser resolution than high-end encoders, so achieving tight positional control depends heavily on your drive’s interpolation and filtering. You’ll need precise alignment and stable excitation (for the resolver) to avoid phase errors that degrade commutation fidelity.

What considerations arise from the 10000 min⁻¹ nominal speed for mechanical design (bearings, cooling, coupling)?

High rotational speed raises demands on bearing quality, lubrication, and dynamic balancing to avoid vibration, wear, or premature failure. Also, coupling and shaft seals must tolerate centrifugal forces and heat, and cooling (natural or forced) must be sufficient to manage losses.

In applications requiring rapid acceleration and deceleration, how would the motor’s mass and size class (size 025, length code A) influence performance?

Smaller size and shorter length reduce rotor inertia, which helps achieve faster accelerations with less torque demand from the drive. However, this also means less thermal mass, so overuse or frequent high-torque peaks risk overheating if thermal cycling is not managed.

What does “motor for digital drive controllers” imply about drive compatibility and control signals?

It suggests the motor expects to work with a servo or digital drive that can process resolver feedback, support PWM or field oriented control, and supply proper excitation for the resolver. Using analog drives or older controller types without resolver support will degrade performance or may be incompatible.

For the specific product code MDD025A-N-100-N2G-040GR0 by Bosch Rexroth, what mounting alignment tolerances are needed for the resolver to maintain expected performance?

The resolver (in these types of motors) needs precise alignment of rotor vs stator; tolerances of radial eccentricity in the order of ≈0.05-0.1 mm and axial alignment to similar small values are common to avoid phase shift or signal distortion. Without such precision, control errors and reduced feedback accuracy can lead to increased torque ripple or control instability.

MDD-025A-N-100-N2G-040GR0

MDD025A N 100 N2G 040GR0

MDD025A-N-100-N2G-040-GR0

MDD025A-N-100-N2G-040-GRO

MDD025A-N-100-N2G-040GRO

MDD025AN100N2G040GR0

MDD25A-N-100-N2G-040GR0

MDDO25A-N-100-N2G-040GR0

MDDO25A-N-1OO-N2G-O4OGRO

The MDD025A-N-100-N2G-040GR0 motor by Bosch Rexroth delivers 0.33 Nm continuous torque at 10000 min⁻¹ with resolver feedback and a plain shaft. It includes a 40 mm centering diameter, shaft seal, and right-angle connector, making it suitable for digital drive controllers. This motor is ideal for use in electronics assembly, textile machinery, and automated inspection systems.