MHD071B-061-NP1-UN Bosch Rexroth Indramat
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MPN: R911279155
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The Bosch Rexroth Indramat MHD071B-061-NP1-UN is a servo motor from the MHD Synchronous Motors series. It features a continuous torque of 8.0 Nm at standstill, liquid cooling, and a 115 mm flange with a 95 mm centering diameter. The motor is equipped with a holding brake providing 5.0 Nm of torque, digital servo feedback, and a keyed shaft with a shaft seal.
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Product Description:
The MHD071B-061-NP1-UN is a servo motor from Bosch Rexroth Indramat built within the MHD Synchronous Motors series. This compact permanent-magnet unit converts drive commands from an Indramat controller into precise rotary motion for positioning axes, feed drives, and automated handling stations in industrial plants. By combining a stator-based synchronous design with closed-loop drive control, it supplies controlled torque and speed so connected machinery can follow programmed motion profiles with repeatable accuracy. Its compact housing also suits installations where available axis space is limited.
At the output shaft, the motor can generate a continuous standstill torque of 8.0 Nm, allowing stable holding force for low-speed feed tasks without overheating. Rotor position is reported through Digital servo feedback (HSF), which streams high-resolution signals for closed-loop current and velocity control. Mechanical integration is simplified by a 115 mm flange that mates with common machine faces, while the stator iron length follows code B and the frame uses motor size 071. Heat produced by the windings is removed by liquid cooling, extending duty cycles and minimizing temperature rise around nearby equipment. The main power connector can be rotated through 270°, and a paired feedback connector sits beside it for flexible cable routing in tight enclosures. This arrangement helps keep cable runs orderly when the motor is mounted near guarding or adjacent axes. Winding code 061 matches the electrical characteristics expected by compatible Indramat drive modules.
For precise concentric alignment, the stator body carries a 95 mm centering diameter that fits machine recesses without shims. A factory-installed holding brake delivers 5.0 Nm of static torque, keeping vertical or suspended loads in place when the drive is de-energized. Motion is transmitted through a keyed shaft, and the bearing area is protected by a shaft seal that blocks coolant splash and airborne particles. The built-in relative position detection supports incremental homing sequences at startup. Internal thermal management also helps keep the brake and bearings within acceptable operating limits during extended stops.
Frequently Asked Questions about MHD071B-061-NP1-UN:
Q: What type of shaft is featured on the MHD071B-061-NP1-UN servo motor?
A: This model uses a keyed shaft, ensuring secure power transmission between the motor and connected components.
Q: What is the holding brake torque of the MHD071B-061-NP1-UN motor?
A: The MHD071B-061-NP1-UN is equipped with a holding brake that provides 5.0 Nm of torque to maintain position when power is off.
Q: What type of cooling does the MHD071B-061-NP1-UN motor use for its housing?
A: Liquid cooling is used for this motor’s housing, helping to efficiently manage operating temperatures.
Q: What type of encoder is included with the MHD071B-061-NP1-UN motor?
A: This motor utilizes digital servo feedback (HSF) for position detection with relative feedback.
Q: How adjustable is the power connection direction on the MHD071B-061-NP1-UN servo motor?
A: The power connection on this model can be turned within a range of 270°, offering flexibility during installation.
