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MHD071B-061-PG3-UN Bosch Rexroth Indramat

MPN: R911299930

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The Bosch Rexroth Indramat MHD071B-061-PG3-UN is a servo motor with a motor size of 071 and a B length, belonging to the MHD Synchronous Motors series. It features liquid cooling, a plain shaft with a shaft seal, and a holding brake offering up to 10.0 Nm of torque. The motor includes digital servo feedback with an integrated encoder for absolute position detection over more than 4096 revolutions.

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Product Description:

The MHD071B-061-PG3-UN is a servo motor manufactured by Bosch Rexroth Indramat for the MHD Synchronous Motors series. It serves as a drive element in automated machining centers, pick-and-place axes, and packaging stations where closed-loop torque and speed control are required. As a synchronous servo motor, it converts commanded current into controlled rotary motion for positioning and speed-regulated tasks. Its integrated encoder provides real-time position feedback for motion controllers that coordinate multi-axis operations in industrial automation cells.

The motor uses size 071 stator laminations and the B length code to keep the housing compact while still delivering a continuous standstill torque of 8.0 Nm. A centering diameter of 95 mm fits common machine mounting features, and a flange size of 115 mm provides a rigid face-mounting interface. Heat from the 061 winding set is removed by liquid cooling, which supports high power density during continuous operation. Rotor position and velocity are measured by digital servo feedback, allowing the drive to monitor motion directly during acceleration, deceleration, and holding. The winding code 061 corresponds to electrical values matched to the intended drive family, and the housing includes a shaft seal to help keep lubrication inside the machine envelope.

An integrated holding brake supplies 10.0 Nm of static torque to lock the shaft when power is off, and the mechanical interface uses a plain shaft so couplings or pulleys can be mounted without a key. Absolute position detection over 4096 revolutions allows the system to retain position information after power cycling, which reduces the need for homing on startup. The power connector can be rotated through 270°, which helps route cables in tight machine spaces or around nearby structures. This arrangement supports cleaner cable entry in compact installations while preserving access to the motor connections.

Centering diameter
95 mm
Continuous Torque at Standstill
8.0 Nm
Encoder Type
Digital servo feedback w/ integrated encoder
Flange size
115 mm
Holding Brake
With holding brake
Holding Brake Torque
10.0 Nm
Housing Cooling Type
Liquid cooling
Motor Length
B
Motor Size
071
Power Connection Direction
turnable within a range of 270°
Power Connection Type
Power and feedback connectors
Product Type
Servo Motor
Shaft Design
Plain shaft
Shaft Seal
Yes
Type of Position Detection
Absolute (>4096 revolutions)
Winding Code
061
  • MHD071B061PG3UN
  • MHD071B 061 PG3 UN
  • mhd071b-061-pg3-un
  • MHD71B-061-PG3-UN

Frequently Asked Questions about MHD071B-061-PG3-UN:

Q: What cooling method is used in the MHD071B-061-PG3-UN motor?

A: The MHD071B-061-PG3-UN features liquid cooling for its housing, aiding in efficient temperature control during operation.

Q: What is the holding brake torque available on the MHD071B-061-PG3-UN?

A: This motor includes a holding brake with a torque rating of 10.0 Nm, enabling secure load holding when powered off.

Q: What type of position detection does the MHD071B-061-PG3-UN offer?

A: The MHD071B-061-PG3-UN supports absolute position detection for more than 4096 revolutions.

Q: What are the flange size and centering diameter of the MHD071B-061-PG3-UN motor?

A: This model has a flange size of 115 mm and a centering diameter of 95 mm for mounting purposes.

Q: How flexible is the power connection direction on the MHD071B-061-PG3-UN?

A: The power connection for this motor is turnable within a 270° range, allowing for flexible cable routing during installation.


Internal Product Review

  • ‘‘The MHD071B-061-PG3-UN is a Bosch Rexroth Indramat servo motor with liquid cooling for stable thermal performance. Digital servo feedback with integrated encoder and absolute position detection beyond 4096 revolutions support precise closed-loop motion control. A holding brake rated at 10.0 Nm adds strong axis retention and rounds out a highly capable motion solution.’’

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