MDD025A-N-100-N2K-040ML0
MDD Synchronous Motors
Technical Specifications
Balancing
Standard
Holding Brake
Without blocking brake
Centering Diameter
40 mm
Housing
Standard
Encoder
Integrated absolute encoder
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
Without shaft seal
Shaft Type
keyway
Connection Direction
Left
Connection Type
Connector
Product Type
Motor for digital drive controllers
Shaft End
Standard (without side B shaft end)
Output Shaft
Shaft With Keyway Per DIN 6885 sh. 1, 8-68 Edition
Frequently Asked Questions
How do the integrated absolute encoder + resolver feedback benefit closed-loop control accuracy and reliability?
The resolver provides robust rotor position feedback even under electrical noise or high temperature, while the absolute encoder ensures position is known immediately after power-up without homing. Together they improve precision, reduce startup downtime, and increase resilience in demanding environments.
How does the 40 mm centering diameter + keyway shaft influence mounting alignment and torque transmission?
The centering diameter ensures concentric mounting to reduce misalignment, critical for performance and bearing life; the keyway shaft allows positive torque transfer but introduces stress concentrations that require correct key sizing and fit. Misaligned key or loose fit can cause backlash, wear, or vibration.
What are the implications of no holding (blocking) brake on safety and positioning when power is off?
Without a blocking brake, the motor cannot mechanically hold the load in place when unpowered, so external brakes or locks are needed to prevent drift in safety-critical or vertical axis applications. Also, backup power or failsafe systems become more important.
Can the “MDD025A-N-100-N2K-040ML0 Bosch Rexroth” be paired directly with off-the-shelf CNC drives, or are special drive requirements needed for its resolver + encoder system?
It may not be plug-and-play with generic drives; you must ensure the drive supports the specific resolver type and absolute encoder protocol used, matching voltage, wiring and interpolation. Also, make sure the drive’s current rating and peak power margins accommodate the motor’s continuous and transient torque demands.
For B2B applications like robotics or packaging automation, how does this motor’s feedback combination and nominal speed yield benefits in throughput and repeatability?
The fast response from high speed (10,000 min⁻¹) plus immediate, accurate position feedback (absolute + resolver) mean less delay in motion changes and minimal cumulative error. This leads to higher cycle rates and tighter precision, reducing rejects or secondary corrections in production.
Common Misspellings
MDD-025A-N-100-N2K-040ML0
MDD025A N 100 N2K 040ML0
MDD025A-N-100-N2K-040-ML0
MDD025A-N-100-N2K-040-MLO
MDD025A-N-100-N2K-040MLO
MDD025AN100N2K040ML0
MDD25A-N-100-N2K-040ML0
MDDO25A-N-100-N2K-040ML0
MDDO25A-N-1OO-N2K-O4OMLO
Internal Product Review
The Bosch Rexroth MDD025A-N-100-N2K-040ML0 motor offers 0.33 Nm torque at standstill, a nominal speed of 10,000 min⁻¹, and an integrated absolute encoder with resolver feedback. Its standard housing, 40 mm centering diameter, and keyway shaft ensure reliable integration. This motor finds use in robotics, CNC machining, and packaging automation.
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