R911279598 (MHD112C-024-PG3-AN)

MHD Synchronous Motors

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The R911279598 (MHD112C-024-PG3-AN) is a Rexroth Indramat synchronous servo motor featuring a liquid-cooled housing with IP65 protection and a plain shaft with shaft seal. This model includes a holding brake rated at 70.0 Nm, supports digital servo feedback with an integrated encoder for absolute position detection over more than 4096 revolutions, and utilizes a permanent magnet excitation. It is specified for continuous standstill torque of 38.0 Nm, a centering diameter of 130 mm, flange size 192 mm, size 112, and motor length C. Operation is supported up to 1000 meters altitude and 50°C ambient temperature.

Technical Specifications

Product Type
Industrial synchronous motor

Housing
Durable, IP65 protection class

Usage Environment
Potentially explosive areas, mining regions

Drive Controller
Digital Intelligent

Operational Attributes
High reliability, High dynamics, High performance

Max Operating Height
1000 meters above sea level

Max Ambient Temperature
50 degrees Celsius

Frequently Asked Questions

Why is the 70 Nm holding brake on MHD112C-024-PG3-AN advantageous for vertical axes and emergency stops?

Its high brake torque secures loads when drives are disabled for improving static holding on Z-axes and preventing drift. It contributes to safer interventions and consistent restart positioning after controlled or fault-induced stops.

How does the sealed plain-shaft (with shaft seal) affect integration in wash-down or dusty environments?

The sealed shaft limits ingress along the output for complementing the coated housing to resist contaminants and spray. It preserves bearing life and encoder integrity in packaging, printing and textile machinery environments.

How do frame 112, flange 192 mm, and 130 mm centering diameter simplify retrofit and mechanical rigidity on MHD112C-024-PG3-AN?

These standardized mounting dimensions provide torsional stiffness and straightforward adapter-plate design. It speeds mechanical interchange with existing Rexroth MHD footprints and preserve alignment accuracy on precision stages.

How does operation up to 1000 m altitude and 50 °C ambient affect thermal design for cabinets near MHD112C-024-PG3-AN?

The altitude and ambient constraints set cooling expectations for both motor and enclosure. Its coolant flow and cabinet ventilation maintenance within these limits preserves torque capability and encoder reliability.

For the product code MHD112C-024-PG3-AN, what encoder data advantages arise during multi-axis synchronization with Rexroth drives?

Its digital servo feedback ensures deterministic position/velocity data and supports axis-to-axis phase alignment. It enhances contouring accuracy and registration across coordinated packaging or printing lines driven by Rexroth controllers.

Common Misspellings

Internal Product Review

The Bosch Rexroth’s servo motor MHD112C-024-PG3-AN is presented with an integrated 70 Nm holding brake for safe operations. It utilizes liquid cooling and provides feedback through its integrated servo feedback with absolute multi-turn detection. This motor supports 38 Nm of stationary torque that suits automation tasks and it features IP65 protection due to its sealed plain shaft.