MHD041B-144-PG0-UN Bosch Rexroth Indramat
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MPN: R911274053
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The Bosch Rexroth Indramat MHD041B-144-PG0-UN is a servo motor from the MHD Synchronous Motors series with a flange size of 82 mm and a centering diameter of 50 mm. It features liquid cooling, a plain shaft with a shaft seal, and offers continuous torque at standstill of 2.7 Nm. The motor uses a digital servo feedback encoder with absolute position detection over more than 4096 revolutions and provides power and feedback connectors that can be turned within a range of 270 degrees.
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Product Description:
The MHD041B-144-PG0-UN is a servo motor produced by Bosch Rexroth Indramat as part of the MHD Synchronous Motors series. Designed for closed-loop positioning and speed control tasks, the unit works with digital drive controllers to convert electrical energy into mechanical rotation in automated production lines, packaging equipment, and material-handling cells. When paired with a compatible drive, the motor supplies three-phase motion for applications that require positional accuracy and stable thermal behavior. This arrangement allows the axis to respond accurately during changes in load and operating speed.
Its mounting interface uses an 82 mm square flange that mates directly with gearboxes or brackets, and alignment is maintained by a 50 mm centering diameter. The active winding set, coded 144, works with the size 041 laminations and B-length housing to deliver a continuous standstill torque of 2.7 Nm for static or low-speed loads. Heat generated by copper losses is removed through liquid cooling, allowing full-rated operation in sealed cabinets. Because the unit is supplied without a holding brake, holding force must be provided by drive torque or an external mechanical lock when power is removed. A rear-mounted digital encoder simplifies cable routing toward the controller and helps keep adjacent machine space organized.
Position data is delivered through absolute feedback for more than 4096 revolutions, which eliminates homing cycles after power loss. The main connector block is rotatable through 270°, so the cable bend can be directed toward the drive or energy chain without straining the conductors. A plain shaft supports coupling to precision gearheads, while a shaft seal helps keep coolant and dust away from the internal bearings. The combined power and feedback connectors follow Bosch Rexroth pinouts, and the size 041 frame with B length remains compact for multi-axis assemblies. This layout is useful where neighboring axes, cable carriers, or mounting surfaces leave limited installation space.
Frequently Asked Questions about MHD041B-144-PG0-UN:
Q: What type of encoder feedback does the MHD041B-144-PG0-UN motor provide?
A: The MHD041B-144-PG0-UN motor uses a digital servo feedback system with an integrated encoder for precise motion control.
Q: How is the MHD041B-144-PG0-UN motor cooled?
A: This model employs a liquid cooling system for housing, improving temperature management during operation.
Q: Does the MHD041B-144-PG0-UN motor include a holding brake?
A: This motor is manufactured without a holding brake.
Q: How adjustable is the power connection direction on the MHD041B-144-PG0-UN?
A: The power connection can be rotated within a 270° range, offering flexible installation options.
Q: What type of position detection is supported by the MHD041B-144-PG0-UN?
A: Position detection is absolute and covers more than 4096 revolutions for high-accuracy applications.
