Product Description:

The SR-A2.0041.060-14.000 synchronous servo motor is manufactured by Bosch Rexroth Indramat and belongs to the SR Synchronous Servo Motors series. It is intended for closed-loop positioning and speed control in automated assembly cells, pick-and-place gantries, and similar machinery where compact rotary drives are required. The motor works with a matched inverter and uses resolver feedback so the drive can monitor rotor angle and adjust current commands in real time. This arrangement supports precise speed regulation and repeatable positioning, even when axis loads change during a motion cycle.

An integrated holding brake provides 3.2 Nm of holding torque; it is released by a 24 V control supply and draws 0.56 A when energized. The mechanical interface uses a 100 mm B5 flange, and the IM B5 design omits feet for direct face mounting. The Ø14 × 30 mm shaft remains centered to the mounting face for accurate coupling alignment. Resolver signals are interpolated by the drive to 8192 incr./rev., providing adequate feedback resolution for contouring and indexing tasks. Continuous operation is supported up to 6000 rpm, and the motor produces approximately 0.73 Nm/A of torque per ampere from the inverter. A locked-rotor current limit of 5.6 A helps protect the motor from thermal overload during stall conditions, and the overall length is 253 mm.

During startup, the motor can deliver a locked-rotor torque of 4.0 Nm to accelerate attached loads before the axis reaches operating speed. Dynamic response is aided by a rotor inertia of 6 × 10⁻⁴ kg·m², which helps the drive reverse direction quickly without excessive current demand. The aluminum housing weighs 7.4 kg, reducing cantilever load on linear axes and making the motor easier to mount on compact machine structures. Low motor mass also helps preserve acceleration and settling performance on moving carriages and compact cross-slides.