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R911273675 (MHD071B-061-PG0-UN)

MHD Synchronous Motors

Rated 4.5 stars (12 total reviews)
  In-Stock, Ships 1-2 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The Bosch Rexroth R911273675 (MHD071B-061-PG0-UN) is a synchronous AC servo motor designed for industrial applications requiring high reliability and precision. The motor features a plain shaft, flange mounting with a centering diameter of 95 mm, and a 115 mm flange size. It incorporates a multi-turn absolute digital encoder for position detection exceeding 4096 revolutions. The power connection can be oriented within a 270° angular range. Key performance parameters include continuous standstill torque of 8.0 Nm, maximum speed of 4500 rpm, and peak current of 50.5 A. Cooling is achieved by natural convection and surface cooling, with an IP65 rated housing for protection. The unit is constructed without a holding brake, features brushless design, lifetime-lubricated bearings, and is suitable for applications in environments demanding robust servo performance.

Technical Specifications

Product Line
MHD

Product Type
Digital MHD alternating current motors

Duty Load
Heavy

Motor Type
Synchronous motors

Power Connectors
0 to 270° angular range

Housing Design
Allows natural convection and surface ventilation

Motor Encoder
Multi-turn absolute encoder

Holding Brake
None

Shaft Type
Plain

Rotational Speed
4500 rotations per minute

Peak Current
50.5 Ampere

Maintenance Requirements
None, bearings are lubricated for life

Operating Conditions
Challenging environmental conditions

Can the MHD071B-061-PG0-UN be used in dusty or wet environments?

Yes, its IP65-rated housing protects against dust ingress and low-pressure water jets. This makes it suitable for industrial settings with exposure to contaminants or washdowns.

Does the motor support precise multi-turn positioning?

Yes, its integrated encoder provides absolute feedback over more than 4096 revolutions. This allows for high-accuracy motion control without the need for external homing routines.

How does the plain shaft design impact coupling options?

A plain shaft requires external shaft-hub connection methods like keyless clamping or press-fit couplings. It’s ideal where backlash or torsional rigidity must be tightly controlled.

Is the MHD071B-061-PG0-UN suitable for dynamic stop-start cycles?

With continuous torque delivery and robust cooling, it's well-suited for frequent acceleration-deceleration cycles. However, lack of a holding brake means braking torque must be externally managed.

How does the encoder type affect control system integration?

Digital servo feedback simplifies closed-loop control by providing high-resolution position and speed data. It ensures compatibility with modern drive systems requiring digital feedback signals.

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Internal Product Review

The MHD071B‑061‑PG0‑UN is a synchronous servo motor from Bosch Rexroth Indramat. It provides digital servo feedback via an integrated encoder and offers absolute positioning over 4096+ revolutions. Its enclosure carries an IP65 rated housing which provides sealed protection for industrial environments.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD071B-061-PG0-UN.
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