Product Description:

The SD-B4.070.030-01.000 is a brushless servo motor built by Bosch Rexroth Indramat for the SD Magnet Motors series. It supplies closed-loop rotary motion to positioning stages, pick-and-place heads, and other automated axes where repeatable torque delivery is important. Acting as the electromechanical link between a servo drive and the load, the unit converts commanded current into shaft rotation while avoiding the commutator wear common in brushed motor designs. This arrangement supports accurate motion control in machines that require consistent response during frequent starts, stops, and direction changes.

A square mounting interface with a flange size of 142 mm provides accurate alignment with machine frames or gearboxes. The rotor uses Ferrite magnets, a ceramic material known for stable magnetic performance across a broad temperature range. Under rated excitation, the motor reaches 3000 rpm, which suits many medium-speed mechanisms without requiring an intermediate reduction stage. The output shaft has a diameter and length of 24 × 50 mm, giving a practical format for common coupling arrangements. When stationary, the winding set can produce 7.0 Nm of standstill torque, allowing the axis to resist load movement and respond immediately when motion is commanded.

As a brushless servo motor, heat is concentrated in the stator windings rather than at a mechanical commutator, which helps reduce routine wear points. The motor uses keyed connectors and unified feedback pinouts, helping maintain consistent electrical connections with compatible drive hardware. Its configuration matches the base mechanical and electrical layout for this model, without added special-version changes. Electronic commutation supports smooth torque production and stable response during repeated positioning cycles.