R911310729 (MHD112A-035-NP1-BN)
MHD Synchronous Motors
Technical Specifications
Product Name
Rexroth MHD Synchronous Motors
Purpose
Used as servo and main drive motors
Design
Permanent magnet motors with electric commutation
Materials of Magnets
Rare earth
Connections Available
Power connector, Encoder connection
Encoder System
Digital servo feedback
Pole Pairs
Four
Maximum Speed
4000 rpm
Hold Braking System
Yes
Maintenance Requirement
Low
Overload Capability
High
Cooling System
Natural convection
Environment Suitability
Adverse
Protection Rating
IP 65
Housing Varnish
Prime coat black a/w RAL 9005
Frequently Asked Questions
How does the keyed shaft and shaft seal design benefit installation and reliability?
The keyed shaft ensures secure torque transmission without slippage, while the shaft seal blocks dust and fluids. This combination minimizes wear and extends service life in demanding environments.
How does liquid cooling compare to surface cooling in high-duty industrial motors?
Liquid cooling provides faster heat dissipation and supports higher continuous torque output. It’s ideal where space or ambient airflow is limited, such as enclosed machining systems.
Can the MHD112A-035-NP1-BN be used in vertical axis applications?
Yes, the integrated holding brake provides sufficient torque to maintain load position at standstill. This makes it suitable for lifts, presses, and robotic arms where gravity compensation is critical.
How does the centering diameter and flange size affect mechanical integration?
Standardized dimensions ensure compatibility with a wide range of gearboxes and machine frames. It reduces custom machining and simplifies replacement in existing installations.
What are common troubleshooting signs of incorrect encoder alignment in this motor?
Misalignment can cause erratic position feedback, vibration, or inaccurate homing sequences. Recalibration or re-seating the encoder coupling typically resolves these issues.
Common Misspellings
MHD112A035NP1BN
MHD112A 035 NP1 BN
mhd112a-035-np1-bn
Internal Product Review
The Bosch Rexroth Indramat MHD112A-035-NP1-BN is a servo motor used for precision motion control in industrial automation. It features a 112 frame size, type A length, and liquid-cooled housing for temperature stability. The motor’s housing is made of durable aluminum alloy which provides corrosion resistance and efficient heat dissipation.
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