MHD041B-144-PP0-UN Bosch Rexroth Indramat
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MPN: R911279873
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The Bosch Rexroth Indramat MHD041B-144-PP0-UN is a servo motor from the MHD Synchronous Motors series. It features liquid cooling, a flange size of 82 mm, and a centering diameter of 50 mm. The motor provides a continuous torque at standstill of 2.7 Nm and uses a digital servo feedback system with an integrated encoder for absolute position detection.
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Product Description:
The MHD041B-144-PP0-UN is a servo motor manufactured by Bosch Rexroth Indramat and belongs to the MHD Synchronous Motors series. It is designed for compact automation axes and converts electrical drive commands into controlled rotary motion for machinery that requires precise speed and torque regulation. Its size 041 frame with a B-length housing suits pick-and-place stations, packaging modules, and small transfer units where installation space is limited. The motor is intended for applications that need responsive motion control without using a large mechanical envelope.
Mechanical mounting is aligned by a 50 mm centering diameter, and the square flange measures 82 mm, allowing the motor to bolt directly to standard IEC adapters. At standstill, it can continuously deliver 2.7 Nm of torque, which supports light loads while maintaining stable holding capability. Heat is removed by liquid cooling, which carries losses into the machine’s fluid circuit instead of relying on ambient airflow. Power is transmitted through a keyed shaft, which helps prevent slip in the coupling, and a shaft seal protects the interior from coolant splash and airborne contaminants. The motor is supplied without a holding brake, so any load that must remain fixed after power removal needs external retention.
The motor uses digital servo feedback with an integrated encoder to send rotor position data to the drive for closed-loop control. Its absolute feedback for more than 4096 revolutions preserves position information through power cycles, which reduces the need for a return-to-home sequence at startup. Winding code 144 identifies the electrical layout matched to compatible drive requirements for this frame size. Power and feedback connections share a single interface that is rotatable within a range of 270°, allowing the cable outlet to be aimed away from nearby hardware. This arrangement helps cable routing in compact machine sections and supports cleaner installation around guards, brackets, and adjacent axes.
Frequently Asked Questions about MHD041B-144-PP0-UN:
Q: What shaft design and sealing features does the MHD041B-144-PP0-UN motor offer?
A: This motor uses a keyed shaft with a shaft seal for reliable torque transfer and environmental protection.
Q: What type of feedback and encoder does the MHD041B-144-PP0-UN motor use?
A: The MHD041B-144-PP0-UN is equipped with digital servo feedback that includes an integrated encoder for position detection.
Q: What cooling method is used for the MHD041B-144-PP0-UN motor's housing?
A: This model is designed for liquid cooling, allowing efficient heat dissipation during continuous operation.
Q: What is the continuous torque at standstill rating of the MHD041B-144-PP0-UN?
A: The continuous torque at standstill for this motor is 2.7 Nm.
Q: Does the MHD041B-144-PP0-UN servo motor come with a holding brake?
A: This motor does not include a holding brake.
