Product Description:

The SE-B3.075.030-00.000 is a synchronous servo motor manufactured by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. It serves as an electromechanical actuator for positioning and velocity control tasks in industrial automation. Its precise torque production and rapid speed regulation help coordinate machine axes, conveyors, or tooling heads under closed-loop drive control.

At its nominal speed of 3000 rpm, the motor delivers stable rotation that aligns with common servo drive platforms. The torque constant of 0.98 Nm/A links armature current to developed torque, allowing drive software to predict load response accurately. A static holding capability of 9.3 Nm supports loads when the shaft must remain locked in place without motion. During dynamic peaks, the windings can accept 57 A, enabling short bursts of acceleration before thermal limits are approached. The electrical time constant is only 3.3 ms; this short current-rise interval lets the control loop modulate electromagnetic force quickly. Complementary parameters include a standstill current of 9.5 A, a voltage constant of 113 V/1000 rpm for back-EMF tracking, and a winding inductance of 21 mH that shapes high-frequency current ripple.

A rotor inertia of 1.66 × 10⁻³ kg·m² balances quick acceleration with positional stability, a relationship evident in the 30 ms ramp-up time and the mechanical time constant of 10.2 ms. Heat is absorbed slowly thanks to a thermal time constant of 32 min, which extends duty cycles before the motor reaches its maximum winding temperature. The overall mass is 12.4 kg, and the housing length stays within the 288 mm envelope so it fits compact machine frames. Power exits through a 19 k5 × 40 mm diameter shaft, and copper losses are limited by a winding resistance of 2.1 Ω, contributing to predictable thermal dissipation during continuous operation.