MHD112C-035-NP3-AN

MHD Synchronous Motors

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The MHD112C-035-NP3-AN servo motor from Bosch Rexroth Indramat belongs to the MHD Synchronous Motors series and includes a holding brake. It delivers a holding brake torque of 70.0 Nm, continuous standstill torque of 38.0 Nm and uses liquid cooling. The motor features digital servo feedback and a 192 mm flange.

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
38.0 Nm

Motor Length
C

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
035

Frequently Asked Questions

What distinguishes the MHD112C-035-NP3-AN’s position feedback approach and why does it matter in commissioning?

It uses digital servo feedback (HSF) with relative position detection, so an index/homing procedure is required at startup to establish reference. It simplifies encoder architecture while enabling precise interpolation once homed and reduces absolute-encoder wiring complexity in multi-axis cabinets.

How does the 70.0 Nm holding brake in MHD112C-035-NP3-AN aid vertical-axis safety and uptime?

The electrically released brake applies 70 Nm static torque to secure suspended loads during power-off or E-stop for limiting back-driving risk. It also enables safer maintenance states to reduce the need for mechanical chocking on Z-axes and gantries.

How does the 192 mm flange and 130 mm centering diameter simplify retrofit of MHD112C-035-NP3-AN?

These standardized faces align with common Rexroth/Indramat gearboxes and mounting plates for easing drop-in replacement in older cells. Its pilot ensures concentricity to minimize coupling misalignment and vibration at speed after swap.

What are the integration implications of the MHD112C-035-NP3-AN’s side-A power connection and output connector style?

Its side-A routing keeps high-current conductors away from sensitive feedback runs in many right-hand cable tracks. Its output connector form supports quick service and consistent shielding terminations for aiding EMC compliance in multi-axis bays.

How does the keyed shaft with shaft seal of MHD112C-035-NP3-AN influence coupling selection and ingress protection?

The parallel key transmits torque with positive mechanical indexing for easing alignment with rigid or elastomeric couplings. Its seal helps maintain IP rating against splash and dust, extending bearing life in fiber, print and pack lines.

Common Misspellings

Internal Product Review

Bosch Rexroth designs the AC motor MHD112C-035-NP3-AN with a keyed shaft orientation that has an imposed sealing ring for attaining IP65 protective rating. It offers side-A power connector for clean integration and uses a digital servo feedback (HSF, relative) for positioning. This motor has an integrated 70 Nm holding brake for stabilizing loads and it supports 38 Nm of continuous standstill torque for precision duty cycles in textile lines and CNC handling systems.