Product Description:

The MDD071B-N-040-N2T-095GA1 is a synchronous servo motor produced by Bosch Rexroth Indramat within the MDD Synchronous Motors series. As a motor for digital drive controllers, it converts regulated electrical power into precise mechanical rotation for axis control in automated machining cells, pick-and-place stages, and assembly stations. Permanent-magnet excitation and a compact frame support accurate positioning and stable speed regulation during repeated motion cycles. This layout suits applications that need responsive servo behavior without moving to a larger motor frame. It can serve indexing axes and general handling equipment where smooth acceleration and repeatable stopping are important to overall machine performance.

At its nominal speed of 4000 rpm, the rotor maintains constant velocity under rated load. A continuous standstill torque of 4.4 Nm supports static holding and low-speed feed motion. The flange has a centering diameter of 95 mm, allowing direct alignment with standard gearboxes or machine frames. Power and feedback conductors exit on side A through a sealed connector, keeping cable routing on one face of the motor. Position data returns to the drive through digital servo feedback (DSF), which supports high-resolution closed-loop control. The rotor is balanced to a standard grade, and the housing dissipates heat through natural convection.

A blocking brake rated at 3.0 Nm engages automatically when supply power is removed, helping prevent unintended movement. For multi-turn positioning, the motor uses an integrated multiturn absolute encoder that reports absolute position across multiple revolutions without a homing cycle. The output shaft is a plain shaft with a single-ended layout, and a shaft seal helps limit the entry of coolant or dust. There is no side B shaft extension. The motor has size 071 with length code B, which indicates the overall frame envelope used for this housing.