MHD071B-061-NG1-UN Bosch Rexroth Indramat
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MPN: R911275109
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The Bosch Rexroth Indramat MHD071B-061-NG1-UN is part of the MHD Synchronous Motors series. It features a continuous torque at standstill of 8.0 Nm and a holding brake torque of 5.0 Nm. The motor uses liquid cooling and has a 115 mm flange size with a centering diameter of 95 mm.
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Product Description:
The MHD071B-061-NG1-UN synchronous servo motor is produced by Bosch Rexroth Indramat as part of the MHD Synchronous Motors series. It is used in automated tooling, material handling, and general machinery where precise torque delivery and repeatable positioning are required. When paired with a compatible Indramat drive controller, the motor converts regulated electrical input into controlled mechanical power for linear actuators, rotary tables, and feeder modules. This operating role supports accurate feed motion, indexing, and position changes during repetitive machine cycles. Because it is intended for servo duty, it can respond closely to changing command values during controlled motion.
The housing uses a centering pilot diameter of 95 mm and a square mounting flange of 115 mm, matching common installation patterns for this frame size. The centering pilot helps seat the motor accurately on the machine face, while the flange provides a stable bolting surface. Continuous stall output reaches 8.0 Nm, which supports applications that need strong low-speed torque or holding force at standstill. Heat generated under this load is removed through liquid cooling channels around the frame, which transfers thermal load away from the housing without relying on cabinet airflow. The power connector is turnable within a range of 270°, which supports cable routing from different sides while keeping the power and feedback connections separate.
A fail-safe brake applies 5.0 Nm of static torque to hold the shaft when the controller is disabled, which is useful on vertical or suspended axes. Position feedback is provided by digital servo feedback (HSF) that uses a relative measurement scheme, allowing the drive to monitor rotor position during closed-loop operation. The motor has a plain shaft, so couplings or pulleys can be mounted without keyways. Separate power and feedback connectors keep the wiring layout organized and help isolate signal lines from motor current conductors. The brake and feedback arrangement supports controlled stopping and stable position tracking when motion resumes.
Frequently Asked Questions about MHD071B-061-NG1-UN:
Q: What type of cooling does the MHD071B-061-NG1-UN motor use?
A: This model features liquid cooling for enhanced thermal management during operation.
Q: What encoder does the MHD071B-061-NG1-UN motor use?
A: The encoder type is digital servo feedback (HSF), providing relative position detection.
Q: What type of shaft is found on the MHD071B-061-NG1-UN motor?
A: The shaft design on this motor is a plain shaft.
Q: How much holding brake torque does the MHD071B-061-NG1-UN motor provide?
A: The holding brake delivers a torque of 5.0 Nm for secure holding when the motor is not powered.
Q: What is the power connection direction capability of the MHD071B-061-NG1-UN motor?
A: The power connection can be turned within a range of 270°, allowing flexible cable orientation.
