MHD112C-024-NG3-AN Bosch Rexroth Indramat
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MPN: R911282356
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The Bosch Rexroth Indramat MHD112C-024-NG3-AN is a servo motor from the MHD Synchronous Motors series, featuring a flange size of 192 mm and a centering diameter of 130 mm. It provides 38.0 Nm continuous torque at standstill and includes a holding brake with 70.0 Nm torque. The motor has liquid cooling, a plain shaft with a shaft seal, and uses digital servo feedback for relative position detection.
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Product Description:
The MHD112C-024-NG3-AN is a servo motor produced by Bosch Rexroth Indramat as part of the MHD Synchronous Motors series. It is installed on computer-controlled axes to convert drive commands into precise rotary motion for positioning, conveying, or spindle duties. Power enters through an output connector located on side A of the housing, and the unit includes a shaft seal that guards the internal bearings against oil or coolant splash common in automated machinery cells. This layout supports compact machine designs where reliable motion and protected cable entry are important during continuous operation.
At standstill, the motor can deliver a continuous torque of 38.0 Nm, so an index table or vertical load can remain energized without thermally overloading the windings. Heat is extracted by liquid cooling, which stabilizes stator temperature and permits full-load operation even when the motor is embedded inside a closed machine frame. A centering diameter of 130 mm aligns the flange with accurate concentricity, while the mounting face spans 192 mm to match standard ISO motor brackets. Position and speed data are provided by a digital servo feedback (HSF) encoder that streams high-resolution signals to an Indramat drive controller for fast commutation and stable closed-loop control. This feedback arrangement helps the drive respond quickly to load changes during acceleration, deceleration, and steady-speed operation.
For parked conditions, the integrated brake supplies up to 70.0 Nm of static torque, mechanically locking the rotor so suspended loads cannot drift after power removal. A plain shaft output simplifies coupling with clamping sleeves or keyed hubs and reduces runout caused by spline interfaces. The feedback system reports motion in a relative format, meaning the axis must perform a homing move to establish an absolute reference after each startup. Electrical characteristics correspond to winding code 024, so the associated drive can load the correct voltage, current, and speed maps for this C-length, size-112 motor. This arrangement supports repeatable startup behavior on automated axes that return to a known machine reference before normal motion begins.
Frequently Asked Questions about MHD112C-024-NG3-AN:
Q: What type of encoder is integrated into the MHD112C-024-NG3-AN motor?
A: This model uses digital servo feedback (HSF) for accurate position detection.
Q: What is the continuous torque at standstill for the MHD112C-024-NG3-AN?
A: The MHD112C-024-NG3-AN offers a continuous standstill torque of 38.0 Nm.
Q: Does the MHD112C-024-NG3-AN come with a holding brake and what is its torque rating?
A: A holding brake with a torque capacity of 70.0 Nm is built into this motor.
Q: What cooling method does the MHD112C-024-NG3-AN motor utilize?
A: Liquid cooling is used in this model to efficiently manage operating temperatures.
Q: What is the shaft configuration of the MHD112C-024-NG3-AN motor?
A: The shaft is designed as a plain shaft and comes equipped with a shaft seal.
