Product Description:

The SF-B5.0460.020-10.000 is a permanent-magnet servo motor manufactured by Bosch Rexroth Indramat for the SF Servo Motors series. It serves as a rotary actuator in industrial automation systems where precise positioning and repeatable velocity are required for coordinated motion axes on machining centers, printing lines, and material-handling equipment. Its permanent-magnet design supports responsive acceleration during repeated start-stop cycles. When paired with a compatible drive, the motor can provide stable closed-loop motion for synchronized production tasks. It is also suited for packaging and converting machines that require consistent axis response.

The motor uses a single-turn absolute STG encoder that delivers an angular resolution of 8 million incr./rev.. This fine granularity supports tight position loops, and its accuracy is kept within ±20 angular sec, which helps limit cumulative error in multi-axis arrangements. A square 190 mm mounting flange provides a standardized interface for gearboxes or direct-coupled loads, while the housing length is 383 mm. Under continuous operation, the shaft can reach a rated speed of 2000 rpm, and each ampere of phase current produces about 2.2 Nm/A of torque. When the rotor is blocked during startup or a jam, the windings can withstand up to 21 Arms without demagnetization.

The assembly has a mass of 35 kg, which adds thermal capacity and helps damp vibration in fast duty cycles. Dynamic load changes are further smoothed by a rotor inertia of 166 × 10^-4 kg·m², making the motor suitable for medium-inertia gantry and transfer modules. The structure tolerates shocks up to 6 g, so it can be mounted on moving carriages or end effectors that experience rapid deceleration. Power and feedback conductors mate to a 1.5 (8-pin) connector, and torque is transmitted through a splined Ø32 × 58 mm shaft that accepts standard couplings without additional machining or adapter parts.