MHD071B-035-NP1-UN

The Bosch Rexroth Indramat MHD071B-035-NP1-UN is part of the MHD Synchronous Motors series, delivering precision motion control for demanding industrial applications. This servo motor features a robust construction with a Winding Code of 035, a digital servo feedback (HSF) encoder, and an integrated holding brake for reliable stop-and-hold performance. Engineered by Bosch Rexroth Indramat, the MHD071B-035-NP1-UN combines advanced electromagnetic design with compact dimensions to achieve high dynamic response. With a keyed shaft design and liquid cooling enclosure, it supports continuous operation under harsh ambient conditions. The motor’s IP65-rated housing seal provides full protection against dust, oils, and emulsions, ensuring longevity and stability in heavy-duty environments.

The MHD071B-035-NP1-UN houses a Motor Size 071 and a centering diameter of 95 mm mated to a 115 mm flange size, enabling straightforward mechanical integration. The shaft design uses a keyed shaft with an integral shaft seal, maintaining reliable torque transmission while preventing ingress. The motor’s physical footprint is defined by Motor Length B, and it interfaces via power and feedback connectors with a power connection direction turnable within a range of 270°. Internal components are cooled by liquid cooling, supporting uninterrupted operation at high load. Position feedback is managed through a relative type of position detection system, delivering precise closed-loop control. The insulation class F rating enables safe thermal performance, while the holding brake torque of 5.0 Nm secures the load when power is removed.

Operationally, the servo provides a continuous torque at standstill of 8.0 Nm at an overtemperature of 60 K and up to 13.2 Nm at 100 K, offering strong low-speed holding capacity. Its characteristic speed of 4500 rpm and maximum speed of 6000 rpm ensure rapid acceleration and deceleration cycles. The motor’s torque constant of 0.77 Nm/A combined with a peak current of 50.5 A yields high dynamic performance for quick profile changes. Low rotor inertia accelerates response for start-stop applications, while the integrated encoder resolution guarantees accurate positioning. Recommended ambient operation ranges from 0 to 40°C to maintain optimal electromagnetic and mechanical characteristics.

System integration is seamless within Rexroth Indramat’s drive ecosystem, particularly with compatible servo drives and controllers that exploit the MHD071B-035-NP1-UN’s digital feedback capabilities. Its compact Motor Size 071 simplifies mounting into paper machines, printing systems, woodworking equipment, and automation machinery. The liquid-cooled design and IP65-rated enclosure suit food processing and packaging lines requiring wash-down protocols. Target applications include CNC machine tools, assembly robotics, and high-precision conveyor indexing where reliability, high torque density, and precise position control are critical.