MHD115B-058-NG1-AA Bosch Rexroth Indramat
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MPN: R911287476
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The Bosch Rexroth Indramat MHD115B-058-NG1-AA is a servo motor from the MHD Synchronous Motors series, featuring a 192 mm flange size and 180 mm centering diameter. It delivers a continuous torque at standstill of 50.0 Nm and includes a holding brake with a torque of 70.0 Nm. This motor comes with a digital servo feedback encoder and utilizes natural convection for cooling.
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Product Description:
The MHD115B-058-NG1-AA is a servo motor manufactured by Bosch Rexroth Indramat as part of the MHD Synchronous Motors series. In automation systems, it supplies controlled rotary power for indexing tables, gantry axes, and similar motion tasks that require repeatable positioning accuracy. A permanent-magnet rotor and high-resolution feedback work together to convert drive current into stable torque, helping the connected drive controller maintain smooth motion during acceleration, holding, and direction changes. This arrangement makes the motor suitable for applications that need accurate response without unnecessary mechanical complexity.
This model sustains a continuous standstill torque of 50.0 Nm, allowing it to hold load during extended dwell periods without overheating. For power-off or emergency conditions, an integrated holding brake provides up to 70.0 Nm of braking torque to keep the shaft from turning when electrical control is removed. The motor uses a 192 mm flange and a 180 mm centering diameter, which help align the housing accurately with the machine interface. These mounting dimensions correspond to frame size 115, giving the unit a mechanical envelope suited to medium-to-high torque axis assemblies where secure mounting and concentricity are important.
Position feedback is supplied through HSF digital servo feedback, so the controller receives fine incremental data for precise speed regulation and position control. Heat leaves the housing through natural convection, which removes the need for external fans and keeps the motor layout simple. The motor uses a plain shaft with an internal shaft seal, allowing direct coupling to gears or pulleys while helping protect the bearing area from contamination. Winding code 058 corresponds to the electrical characteristics expected by the matching drive, and the relative measuring system supports operation with a homing routine. Power leads exit on side A through an output connector, which helps keep cable routing organized around nearby machine components.
Frequently Asked Questions about MHD115B-058-NG1-AA:
Q: What shaft type does the MHD115B-058-NG1-AA motor use?
A: The MHD115B-058-NG1-AA motor features a plain shaft design.
Q: Does the MHD115B-058-NG1-AA include a holding brake and what is its torque?
A: This model is equipped with a holding brake that provides 70.0 Nm of holding brake torque.
Q: What type of encoder and position detection does the MHD115B-058-NG1-AA motor utilize?
A: For position detection, the MHD115B-058-NG1-AA uses digital servo feedback (HSF) with relative positioning.
Q: How is the MHD115B-058-NG1-AA motor cooled during operation?
A: The MHD115B-058-NG1-AA operates with a housing cooling type of natural convection.
Q: Where is the power connection located and what type does the MHD115B-058-NG1-AA use?
A: The power connection for this motor is located on side A and utilizes an output connector.
