R911290636 (MHD115A-024-NG0-AA)
MHD Synchronous Motors
Technical Specifications
Operating Temperature
0 to +40 degrees Celsius
Servo Feedback
Digital
Continuous Torque
48 Nm
Continuous Current
32.6 A
Power
6.4 kW
Rated Frequency
133 Hz
Thermal Time Constant
60 minutes
Power Connection Location
Enclosure A-side
Housing Color
Black
Protection Level
IP65
Winding Inductivity
8.6 mH
Torque Constant
1.65 Nm/A at 20 degrees Celsius
Moment of Inertia
65.0 x 10-4 kgm2
Maximum Theoretical Torque
110 Nm
Output Shaft
Plain, friction-locked shaft-hub connection
Lubrication Protection
Sealing ring
Rated Speed
2000 revolutions per minute.
Frequently Asked Questions
What determines the torque capability of MHD115A-024-NG0-AA?
The continuous torque capability depends on the cooling method and winding configuration. The torque increases with enhanced cooling efficiency, enabling higher sustained load performance under industrial conditions.
How does the winding inductivity affect servo performance?
The winding inductivity of 8.6 mH influences current response and control stability. The higher inductance smooths current transitions, minimizing torque ripple and improving servo precision.
What is the role of voltage constant Ke in operation?
The voltage constant of 150 V/1000 min⁻¹ defines the motor’s back EMF characteristics. The precise value ensures optimal speed-torque conversion and predictable drive matching.
How do thermal ratings impact continuous current limits?
The thermal ratings at 60 K and 100 K dictate permissible continuous current. The increased temperature margin enables greater torque delivery without thermal degradation.
Why is the rotor moment of inertia important?
The rotor inertia of 6.5 × 10⁻³ kgm² affects acceleration and deceleration response. The balanced inertia supports accurate motion control and smooth dynamic load transitions.
Common Misspellings
MHD115A024NG0AA
MHD115A 024 NG0 AA
mhd115a-024-ng0-aa
Internal Product Review
The Bosch Rexroth Indramat MHD115A-024-NG0-AA servo motor provides 32.0 Nm at standstill in a 115-frame, length-A package. It has a plain sealed shaft, natural-convection cooling, 180-mm centering and 192-mm flange size, and side-A power. It is suitable for CNC machine tools, packaging/CPG conveyors, printing equipment, and pick-and-place cells.
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