R911293020 (MHD115B-024-NG0-RA)

Name: R911293020 (MHD115B-024-NG0-RA)
Brand: Indramat Motors
SKU: MHD115B-024-NG0-RA
Price: 758.00 USD
Availability: InStock

MHD Synchronous Motors

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The R911293020 (MHD115B-024-NG0-RA) is a brushless servo motor from the MHD series by Bosch Rexroth, designed for high-performance industrial applications. It features electronic commutation with a maximum speed of 4,000 rpm and maximum torque of 160.0 Nm. The motor includes a plain shaft with shaft sealing ring in accordance with DIN 3760 - Design A, enabling friction-locked shaft-hub connections. Radial bearings support high radial loads and allow direct mounting of pinions and pulleys. The unit operates with natural convection cooling, surface cooling capability, and integrated thermal sensors for overheating protection. It is equipped with digital servo feedback for position detection and has an IP65 protection rating. The motor’s dimensions include a centering diameter of 180 mm, flange size of 192 mm, and motor size 115. The winding code is 024, and there is no holding brake. Power connection is via a connector to the right. Continuous torque at standstill is 50.0 Nm, and operation is specified for ambient temperatures from 0°C to 40°C, up to 1,000 m altitude.

Technical Specifications

Design
Brushless, Maintenance-free

Bearings
Lubricated for life, support high radial loads

Communtation
Electronic

Cooling Method
Natural Convection and Surface Cooling

Overload Capability
High

Thermal Sensors
In-built in windings

Maximum Speed
4,000 revolutions per minute

Maximum Torque
160.0Nm

Ambient Temperature for Operation
0oC to 40oC

Maximum Installation Height
1000m.

Frequently Asked Questions

What benefit does digital servo feedback bring to system performance?

The digital feedback allows precise position and speed control. The motor communicates more accurate data to the drive improving dynamic response.

Why is relative position detection used instead of absolute detection?

The relative system requires homing after startup to find its zero point. The approach simplifies design and reduces encoder cost.

How does high continuous torque at standstill improve machine reliability?

The torque capacity ensures stable force output even when the rotor is stationary. The steady torque prevents motion drift in holding or pressing applications.

What alignment care is required when coupling the motor to other components?

The motor shaft must align precisely with the driven part. The flexible coupling should be used to absorb any minor offset during rotation.

How do flange and centering dimensions affect installation accuracy?

The correct flange and centering fit maintain concentric alignment with gearboxes. The alignment prevents vibration and ensures repeatable positioning.

Common Misspellings

MHD115B024NG0RA

MHD115B 024 NG0 RA

mhd115b-024-ng0-ra

Internal Product Review

Bosch Rexroth Indramat manufactures the MHD115B-024-NG0-RA servo motor that features natural convection cooling, plain shaft design and HSF digital feedback for relative detection. It operates effectively in pick-and-place robotics, woodworking equipment and conveyor automation for motion-precise industrial applications delivering 50.0 Nm continuous torque with a right side power connector.