MHD112D-024-NG3-BN
MHD Synchronous Motors
The Bosch Rexroth Indramat MHD112D-024-NG3-BN from the MHD Synchronous Motors series is a precision-engineered Servo Motor featuring a motor size 112 frame and a motor length D designation. It employs a winding code 024 for optimized electromagnetic performance, and its plain shaft design includes a shaft seal to simplify coupling of drive elements. Machined to fit a centering diameter 130 mm and mount on a flange size 192 mm, this unit delivers professional-grade alignment and rigidity under dynamic loads.
The MHD112D-024-NG3-BN excels in static applications with its continuous torque at standstill 48.0 Nm and is further secured by an integrated holding brake providing holding brake torque 70.0 Nm. Liquid immersion through its housing cooling type liquid cooling ensures constant thermal regulation under heavy duty cycles. Power is supplied via an output connector located to side B, and a shaft seal maintains ingress protection for reliable field operation. Position feedback is accomplished through a digital servo feedback (HSF) encoder type supporting relative position detection, enabling rapid response and fault-free control loops.
As a dedicated servo motor solution, the MHD112D-024-NG3-BN combines robust mechanical interfaces with advanced cooling and braking capabilities to minimize maintenance intervals. Its digital encoder and relative detection scheme accelerate commissioning and reduce programming complexity in automated systems. Designed for integration into Bosch Rexroth drives, it provides precise motion control in high-repeat-frequency applications.
Technical Specifications
Holding Brake
With holding brake
Holding Brake Torque
70.0 Nm
Housing Cooling Type
Liquid cooling
Encoder Type
Digital servo feedback (HSF)
Type of Position Detection
Relative
Continuous Torque at Standstill
48.0 Nm
Motor Length
D
Centering diameter
130 mm
Flange size
192 mm
Motor Size
112
Shaft Design
Plain shaft
Shaft Seal
Yes
Power Connection Direction
to side B
Power ConnectionType
Output Connector
Product Type
Servo Motor
Winding Code
024
Frequently Asked Questions
What practical advantages does liquid cooling provide on the MHD112D-024-NG3-BN in closed cabinets?
It shunts losses out of the enclosure for sustaining torque under heavy cycles and reducing cabinet thermal load compared with convection-cooled frames. It supports tighter enclosures and improves component life in demanding automation cells.
Why use digital servo feedback (HSF) with relative position detection on this model, and what does it imply for commissioning?
The HSF provides precise velocity/position signals for fast loops and smooth interpolation, while the relative variant requires a homing routine at power-up. It simplifies wiring/commissioning versus some resolver chains while maintaining high control fidelity.
How is the 70.0 Nm holding brake on the MHD112D-024-NG3-BN applied in vertical or safety-critical axes?
The integrated brake prevents back-driving on power loss and secures vertical or overhung loads during e-stop for reducing drift risk. It complements the drive’s Safe Torque Off strategy in machine tools and handling systems.
What do the 130 mm centering diameter and 192 mm flange accomplish mechanically?
This geometry improves concentricity and face alignment, for raising shaft stiffness under dynamic radial loads and easing repeatable installation. Its standardized pilot/flange also simplifies interchange across MHD size-112 variants during service.
How do the plain shaft and shaft seal on MHD112D-024-NG3-BN impact coupling choice and ingress resistance?
The plain shaft supports shrink-fit, clamp or sleeve couplings for low-runout assemblies, while the seal resists contamination at the interface. It together with sealed bearings reduces maintenance in dusty or oily environments.
Common Misspellings
MHD112D024NG3BN
MHD112D 024 NG3 BN
mhd112d-024-ng3-bn
Internal Product Review
The Indramat’s MHD112D-024-NG3-BN servo motor is designed with a winding orientation that supports 48 Nm standstill torque. It includes a 70 Nm brake for safe operations and its liquid cooling maintains thermal stability. This motor has a 130 mm pilot and 192 mm flange that streamlines rigid mounting. Its side-B power and sealed plain shaft suits machine tools, packaging and printing automation systems.
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