MDD112D-N-020-N2G-130PB3/S040

MDD Synchronous Motors

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The MDD112D-N-020-N2G-130PB3/S040 is a high-performing, maintenance-free, synchronous servo motor from the MDD series by Bosch Rexroth. Designed with a permanent magnet motor, its rotor comprises rare earth and iron oxide-based permanent magnets, contributing to its low inertia and optimal torque-to-inertia ratio. The motor includes a thermal sensor in the stator windings to guard against temperature overload, and efficiently dissipates operational heat from its stator windings to the casing walls, thus ensuring high overload capability. The bearing lifespan is spec'd at 30,000 operating hours, facilitating significant radial loads. Cooling of the MDD112D-N-020-N2G-130PB3/S040 is managed through natural convection and surface cooling. It provides electronic commutation for high cyclic load capacity, making it perfect for continuous start-stop operations and high repetition rates. It is specially designed for mechanisms needing high precision and synchronization, such as grinding machines. Highlight features include a DIN 6885-standard keyway output shaft for secured torque transmission and a sealed shaft ring to prevent fluid leakage into the motor housing. The motor is equipped with a blocking brake with an output of 60.0Nm.