R911288605 (MHD112C-058-NP3-BN)
MHD Synchronous Motors
Technical Specifications
Product Type
Synchronous Motor
Feedback
Digital Servo Feedback
Maximum Theoretical Torque
148 Nm
Maximum Speed
4500 RPM
Temperature Range
0 to +40 degrees Celsius
Winding Resistance at 20 deg Celsius
0.12 ohms
Torque Constant
0.8 Nm/A
Holding Brake Rated Current
1.29 A
Holding Brake Weight
3.8 kg
Holding Brake Moment of Inertia
30 x 10-4 kgm2
Holding Brake Torque
70 Nm
Rated Torque
15.3 Nm
Rated Voltage
148 volts
Rated Power Output
3.9 kW
Weight
45 kg
Insulation Rating
F
Protection Rating
IP65
Thermal Time Constant
40 or 90 minutes
Power Connection Location
B side
Winding Inductivity
1.5 mH
Voltage Constant
72.7 V/min-1
Maximum Altitude for Installation
1000 meters above sea level.
Frequently Asked Questions
Why is the 70.0 Nm holding brake important for vertical or safety-critical axes on MHD112C-058-NP3-BN?
The electromechanical brake secures the load at stop to prevent back-driving on Z-axes or cantilevered fixtures. Its 70 Nm torque resists drift during e-stop events and power loss, aiding functional safety design and fixture stability.
What does 38.0 Nm continuous torque at standstill mean for servo sizing?
It indicates sustained torque the motor can deliver thermally at zero speed without overheating. It supports heavy table holding and low-speed contouring without exceeding winding temperature when liquid cooling is active.
ow do the 130 mm centering diameter and 192 mm flange simplify mechanical integration?
These standardized interfaces align the rotor to machine tooling with low runout and repeatable locating. Its OEMs can reuse 112-frame mounting patterns and couplings for reducing custom adapters and shortening build cycles.
What is the purpose of the keyed shaft plus shaft seal on MHD112C-058-NP3-BN?
The key transmits torque with positive engagement for resisting slip under peak loads. Its seal helps exclude emulsions and dust from the front bearing cavity to support longevity in packaging and printing environments.
What are speed and torque envelopes users should consider for MHD112C-058-NP3-BN?
This variant lists operation up to ~4500 rpm with maximum torque near 148 Nm for short-term demands.It is important to follow continuous curves and thermal models when setting velocity profiles and acceleration ramps.
Common Misspellings
MHD112C058NP3BN
MHD112C 058 NP3 BN
mhd112c-058-np3-bn
Internal Product Review
The MHD112C-058-NP3-BN servo motor from Bosch Rexroth Indramat uses liquid-cooled housing for maintaining ambient thermal temperature. It relies on HSF digital feedback encoder for relative positioning. This motor comes with a keyed, sealed shaft and possess a 70 Nm brake for secure operations. It is designed to deliver 38 Nm continuous stall torque 192 mm flange it fit packaging, printing, textiles, CNC indexing and pick-and-place duties.
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