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R911295172 (MHD071B-061-NG2-UN)

MHD Synchronous Motors

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The R911295172 (MHD071B-061-NG2-UN) is a Bosch Rexroth Indramat synchronous servo motor from the MHD series, equipped with liquid cooling and designed for applications requiring precise motion control. It operates with a continuous current of 16.8 A and a maximum current of 50.5 A. The unit features a torque constant of 0.77 Nm/A, winding resistance of 1.45 Ω, voltage constant of 70 V/1000rpm, and winding inductivity of 7.2 mH, all measured at 20°C. The motor incorporates four pole pairs, rated speed of 5000 rpm, continuous torque at standstill of 8.0 Nm (motor code 071, housing length B), insulation class F, and a 6.5 Nm holding brake. The design includes a 115 mm flange, 95 mm centering diameter, plain shaft with sealing ring, digital servo feedback encoder (HSF type), and power/feedback connectors rotatable within 270°.

Technical Specifications

Cooling System
Surface Cooling

Motor Overtemperature
60/100 K

Continuous Current
16.8 Amperes

Max Current
50.5 A

Torque Constant at 20o C
0.77 Nm/A

Winding Resistance at 20o C
1.45 Ohm

Voltage Constant at 20o C
70 V/1000rpm

Winding Inductivity
7.2 mH

Pole Pairs
4

Rated Speed
5000 rpm

Rated Torque
7.8 A

Insulation Rate
F

Holding Brake
6.5 Nm

Flange Size
115.5 mm

Centering Diameter
95 mm

Encoder Type
Digital Servo Feedback

Output Shaft
Plain with Shaft Sealing Ring

Power and Feedback Connectors
Rotate in 270 degrees range.

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1620 Old Apex Road
Cary, NC 27513, USA

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[email protected]

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.