MHD112D-024-NP2-AN

MHD Synchronous Motors

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The MHD112D-024-NP2-AN is a servo motor manufactured by Bosch Rexroth Indramat. Part of the MHD Synchronous Motors series, it features liquid cooling and digital feedback (HSF) encoder. The motor has 48.0 Nm continuous torque and a holding brake rated 32.0 Nm. It has a keyed shaft, 192 mm flange and 130 mm centering diameter.

Technical Specifications

Holding Brake
With holding brake

Holding Brake Torque
32.0 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
Keyed Shaft

Shaft Seal
Yes

Power Connection Direction
to side A

Power Connection Type
Output Connector

Product Type
Servo Motor

Winding Code
024

Frequently Asked Questions

Why does the MHD112D-024-NP2-AN use relative position detection, and what are the commissioning implications?

The relative detection minimizes encoder complexity and enables rapid velocity/position updates, however an index/homing routine is required at startup to establish absolute machine coordinates. Its motion controllers must execute a reference move after power-up to guarantee repeatable datum.

How is the 32.0 Nm holding brake specified for the MHD112D-024-NP2-AN typically applied?

The spring-applied brake secures vertical or overhung loads during power loss or E-stop for preventing back-drive. It is recommended to size against reflected load torque plus safety factors, while use dynamic braking only for holding, not repetitive stop duty.

What mounting considerations follow from the 192 mm flange and 130 mm centering diameter?

These B5-style dimensions locate the motor concentrically to limit runout at the keyed shaft and reducing coupling wear. It is important to verify pilot fit tolerances and face flatness per the MHD project-planning manual to control shaft misalignment.

How does the keyed-shaft design of MHD112D-024-NP2-AN impact torsional integrity and coupling selection?

The key resists slip under transient torque peaks for easing alignment with pulleys or rigid couplings. For precision backlash control, pair with clamp-style or shrink-disc hubs and verify keyseat stresses against peak acceleration torque.

How should the side-A power connector orientation on MHD112D-024-NP2-AN be routed to minimize EMC issues?

It routes the motor power cable separately from feedback wiring to maintain shield continuity 360° at gland entries and ground the housing per Rexroth guidelines. It is important to keep parallel runs short and use star-point grounding at the drive.

Common Misspellings

Internal Product Review

The MHD112D-024-NP2-AN servo motor from Bosch Rexroth pairs liquid cooling with a digital HSF encoder and relative position sensing. It delivers 48.0 Nm at standstill and integrates a 32.0 Nm brake. This unit has a keyed shaft design and 192 mm/130 mm mounting. It is applicable in packaging, printing and textile systems, where thermally demanding continuous duty is needed.