R911253074
The R911253074 (MDD090B-N-030-N2M-110GB0), produced by Bosch Rexroth Indramat, is a part of the MDD series of digital AC servo motors. When fused with intelligent digital drive controllers from Indramat, these motors create an efficient, fast-acting automation system suitable for diverse applications such as robotics, handling machines, and machine tools.
As a synchronous servo motor of the MDD family, the R911253074 (MDD090B-N-030-N2M-110GB0) stands out with its maintenance-free operation, attributed to its brushless design and lifetime-lubricated bearings. The bearings’ expected lifespan is approximately 30,000 operating hours and facilitates easy motor installation. The servo motor, capable of reaching a nominal speed of 3,000 rpm, falls under the Balance Class R, designed for standard applications. The motor includes a thermal sensor to avert heat damage and employs surface cooling along with natural convection for heat dissipation. The shaft accommodates high radial loads due to direct attachment of pinions and belt pulleys, and its sealing ring prevents liquid infiltration into the machine. With an integrated multiturn absolute encoder that uses the optical measurement method, this servo delivers a high-precision speed and position control. The protection rating of this motor is IP 65 according to EN 60529.
