Product Description:

The Bosch Rexroth Indramat SF Servo Motors series includes the SF-A4.0230.030-10.000 servo motor. This rotary drive is built to supply regulated torque and speed to automated axes in packaging, printing, and material-handling equipment. By integrating a high-resolution absolute encoder with permanent-magnet excitation, the motor provides the position feedback and electromechanical energy conversion required for closed-loop motion in industrial automation.

During continuous operation, the motor runs at a rated speed of 3000 rpm, allowing the connected axis to maintain cycle times typical for pick-and-place or spindle duties. Its electromagnetic design produces about 1 Nm of shaft torque for every 0.64 A of phase current; this proportionality is expressed by a torque constant of 1.57 Nm/A and simplifies current-loop tuning in the inverter. When the rotor is blocked, the motor can provide a locked-rotor torque of 22 Nm, while the associated locked-rotor current stays within 14 A so the drive’s protection elements can be sized correctly. Position data is delivered in increments of 8 million incr/rev, enabling the controller to resolve linear motion down to a few micrometers when the motor is coupled through precision gearing.

The single-turn absolute encoder guarantees repeatable homing because its measured angle is accurate to within ±20 angular sec, reducing cumulative position error across multiple cycles. Dynamic response is influenced by a rotor inertia of 54×10⁻⁴ kg·m², which supports quick acceleration with stable velocity regulation in mid-range power classes. The motor has a square flange that measures 142 mm, a 24 × 50 mm shaft with a standard keyway, and an overall housing length of 341 mm. With a mass of 25 kg, the motor can be mounted on light gantry plates without exceeding typical payload limits.