MHD071B-061-PP3-UN Bosch Rexroth Indramat
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MPN: R911299207
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The Bosch Rexroth Indramat MHD071B-061-PP3-UN is a servo motor from the MHD Synchronous Motors series and features a 115 mm flange size with a centering diameter of 95 mm. It has liquid cooling and provides a continuous torque at standstill of 8.0 Nm, with a keyed shaft and integrated shaft seal. The motor includes a holding brake with 10.0 Nm of torque and a digital servo feedback encoder for absolute position detection.
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Product Description:
The MHD071B-061-PP3-UN is a three-phase servo motor from Bosch Rexroth Indramat's MHD Synchronous Motors series. As a permanently excited unit, it converts drive current from an Indramat controller into controlled mechanical torque for positioning and velocity tasks in conveyors, handling modules, and machine tools. Its integrated encoder and keyed output shaft support closed-loop motion control in applications that require accurate speed regulation and repeatable positioning. This arrangement allows the connected drive to respond quickly to load changes while maintaining stable rotary motion during continuous operation.
The motor uses a centering diameter of 95 mm and a square flange measuring 115 mm on each side, which are compatible with common IEC-style gearboxes and mounting brackets. With motor size 071 and length code B, winding code 061 provides a continuous standstill torque of 8.0 Nm. Heat at this load is removed by liquid cooling, which supports higher current density than comparable air-cooled frames. The flange geometry also helps align the motor body accurately on the machine interface, while the absolute feedback system monitors rotor position during operation.
The integrated holding brake provides 10.0 Nm of static torque so vertical or suspended axes can remain locked when power is removed. Power and feedback conductors terminate on rotatable connectors that are turnable within a range of 270°, which helps simplify cable routing in compact installations. Mechanical torque is transmitted through a keyed shaft, and the digital encoder supplies absolute multi-turn feedback of more than 4096 revolutions to the controller. That feedback allows stored position information to remain available across multiple shaft turns, which is useful for axes that must retain position after shutdown. A shaft seal is fitted at the output to help protect the shaft opening from contamination, and the power connector shares a common housing with the feedback plug to save wiring space while maintaining EMC shielding.
Frequently Asked Questions about MHD071B-061-PP3-UN:
Q: What type of cooling does the MHD071B-061-PP3-UN servo motor utilize?
A: The MHD071B-061-PP3-UN uses liquid cooling for more effective heat dissipation during operation.
Q: Is there a holding brake on the MHD071B-061-PP3-UN motor, and what is its torque?
A: This model is equipped with a holding brake that provides a holding torque of 10.0 Nm.
Q: What type of encoder feedback does the MHD071B-061-PP3-UN servo motor offer?
A: The MHD071B-061-PP3-UN features a digital servo feedback system with an integrated encoder for position feedback.
Q: What kind of shaft design does the MHD071B-061-PP3-UN have?
A: A keyed shaft with a shaft seal is present on this model for secure and protected mechanical coupling.
Q: How flexible is the power connection orientation on the MHD071B-061-PP3-UN motor?
A: The power connection on this servo motor is turnable within a range of 270°, allowing flexible installation.
