R911311885 (MHD115A-035-NG1-BA)
MHD Synchronous Motors
Technical Specifications
Product Type
Synchronous Motor
Rated Speed
3000 RPM
Thermal Time Constant
60 Minutes
Moment of Inertia
65.0 x 10-4 kgm2
Winding Inductivity
5.8 mH
Output Shaft
Plain with sealing ring
Encoder
Digital Servo Feedback
Maximum Revolutions
4500 RPM
Peak Current Consumption
121 A
Holding Brake Torque
70 Nm
Holding Brake Connection/Disconnection Times
53/97 milliseconds
Holding Brake Weight
3.8 kg
Holding Brake Rated Current
1.29 A
Degree of Protection
IP65
Insulation Class
F
Coating
Black Painted
Power Connection Location
B side of the enclosure
Weight (without holding brakes & blower unit)
30 kg
Rated Power (Surface Cooling at 100/60 K)
12.6 kW
Rated Torque (Surface Cooling at 100/60 K)
34.8 Nm
Maximum Shaft Speed
4500 RPM
Frequently Asked Questions
How does the motor behave under variable loads?
The torque response maintains accuracy through controlled current feedback and temperature monitoring. The configuration ensures consistent motion even during fluctuating mechanical resistance or inertia changes.
What factors affect its performance during continuous duty?
The performance depends on thermal balance, winding design, and cooling method used. The stable temperature profile sustains torque output without derating across prolonged operation cycles.
How should integration with motion controllers be approached?
The integration requires matching encoder signals and feedback resolution with drive parameters. The coordination ensures accurate position tracking and efficient communication within multi-axis systems.
What supporting components are essential for optimal function?
The system requires compatible servo amplifiers, shielded cables, and temperature sensors for reliable feedback. The components minimize interference and maintain signal stability in demanding environments.
How do environmental conditions influence operational precision?
The ambient temperature and installation altitude affect cooling efficiency and motor torque output. The specification ensures reliable performance within rated limits to prevent thermal imbalance.
Common Misspellings
MHD115A035NG1BA
MHD115A 035 NG1 BA
mhd115a-035-ng1-ba
Internal Product Review
The Bosch Rexroth MHD115A-035-NG1-BA servo motor incorporates a digital HSF encoder with relative position detection for accurate motion feedback. Its 115 motor size, 192 mm flange, and sealed plain shaft ensure mechanical stability and smooth operation. Commonly applied in packaging systems, industrial robotics, and automated conveyor machinery, it supports efficient motion synchronization.
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