R911281728 (MHD071B-061-PP1-UN)
MHD Synchronous Motors
Technical Specifications
Product Type
Servo Motor
Nominal Speed
4500 min-1
Output Shaft Material
Specialized Load-Sustaining Material
Feedback
Digital with Complex Encoders
Feedback Connector Rotation
Up to 270 degrees
Centering Diameter
95mm
Brake Feature
22 Nm Holding Brakes
Motor Type
Permanent Magnet Motor
Housing Protection
From Electric Shock, Water, Heat, Dust
Temperature Tolerance Limit
0 to 45 Degrees Centigrade
Usable Elevation
0 to 1000 Meters above Sea Level
Frequently Asked Questions
Can the MHD071B-061-PP1-UN operate without external braking systems?
It includes an integrated holding brake with 5.0 Nm torque, sufficient for static load holding. However, dynamic braking during motion still requires an external controller or regenerative unit.
How does the absolute position detection over 4096 revolutions improve system reliability?
It enables accurate position recovery after power loss without homing. This minimizes machine downtime and reduces wear from repeated reference moves.
Does the keyed shaft with seal offer protection in dusty or moist environments?
Yes, the shaft seal helps block contaminants from entering the motor housing. This extends bearing life and ensures smooth mechanical operation in harsh conditions.
What flange size should be considered when retrofitting the MHD071B-061-PP1-UN?
It uses a 115 mm flange, which must match your existing mounting system. Misalignment or flange mismatch can lead to shaft stress and motor mispositioning.
How does insulation class F impact motor lifespan in this model?
Class F allows winding temperatures up to 155 °C, giving a buffer in thermally demanding applications. This enhances long-term durability under continuous or peak loads.
Common Misspellings
MHD 071B 061 PP1 UN
MHD 071B-061-PP1-UN
MHD-071B-061-PP1-UN
MHD071B061PP1UN
MHD07IB-06I-PPI-UN
MHDO71B-O61-PP1-UN
MHD071B 061 PP1 UN
mhd071b-061-pp1-un
MHD71B-061-PP1-UN
Internal Product Review
The MHD071B‑061‑PP1‑UN is a liquid‑cooled synchronous servo motor by Bosch Rexroth Indramat. It offers digital servo feedback with an integrated encoder, absolute position sensing over 4096 revolutions, and 8.0 Nm standstill torque. It is commonly used in industrial automation, robotics, CNC machinery, and legacy printing/packaging systems.
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