SR-A3.0093.060-00.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SR-A3.0093.060-00.000 is part of the SR Synchronous Servo Motors series and has a mass of 12 kilograms. This servo motor features a rated speed of 6000 min^-1 and uses natural convection cooling. It has a shaft size of 19 by 40 millimeters with a keyway and feather key, and includes a resolver encoder with an accuracy of ±10 angular minutes.
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Product Description:
The SR-A3.0093.060-00.000 is a synchronous servo motor built by Bosch Rexroth Indramat for the SR Synchronous Servo Motors series. In automated machinery, it provides closed-loop speed and torque control. This control allows packaging heads, pick-and-place arms, and indexing tables to reach programmed positions with high repeatability and short settling times. The motor is intended for applications that require responsive rotary motion and accurate positioning under changing loads.
It delivers a rated speed of 6000 rpm, allowing fast cycle execution when paired with an appropriate inverter. The electromagnetic design yields a torque constant of 0.67 Nm/A, so every ampere of phase current produces approximately two-thirds of a newton-meter. During startup, the stator can draw a locked-rotor current of 13.5 A to produce a breakaway torque of 9.1 Nm, which helps overcome static friction in compact transmission stages. System responsiveness is also influenced by the combined rotor and encoder inertia of 16 × 10⁻⁴ kg·m², supporting rapid acceleration without excessive control effort. Position feedback is provided by a resolver with 8,192 increments per revolution and an accuracy of ±10 arcminutes, supplying the drive with analog sine-cosine signals. The stator windings are cooled by natural convection, so no external blower or liquid cooling loop is required.
Mechanical integration relies on a flange measuring 116 mm across, matching standard IEC motor faces. The keyed output shaft measures 19 mm in diameter and 40 mm in length, allowing it to transmit torque through the supplied keyway and feather key profile. The housing has an overall length of 287 mm, and the assembly weighs 12 kg; these values help determine available installation space, mounting support, and axis inertia. Because no mating connector is included, the power and feedback plugs must be selected separately to match the drive cable set. The keyed shaft supports direct alignment with compatible gearboxes, couplings, and belt pulleys in enclosed automation cells.
