SF-A3.0093.030-10.057 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SF-A3.0093.030-10.057 is part of the SF Servo Motors series and features a rated speed of 3000 min^-1 with a flange size of 116 mm. The motor has a torque constant of 1.35 Nm per ampere and an encoder resolution of 8 million increments per revolution. It has a DC link voltage of 670 V and is built with a construction type of IM B5.
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Product Description:
The SF-A3.0093.030-10.057 is a synchronous servo motor produced by Bosch Rexroth Indramat within the SF Servo Motors series. Designed for closed-loop motion control, the unit converts regulated drive power into precisely metered mechanical rotation for positioning or velocity tasks on automated machinery. Its purpose in industrial automation is to provide repeatable shaft motion that can be coordinated with PLC or CNC commands, supporting applications such as gantry axes, packaging formers, and tool spindles.
This motor reaches a nominal shaft speed of 3000 rpm, which supports standard indexing cycles. The electromagnetic design has a 1.35 Nm/A torque constant, resulting in 1 Nm of torque for approximately every 0.74 A of phase current and simplifying current-loop tuning. During startup or jam conditions, the rotor can withstand a stall torque of 8.1 Nm while drawing up to 6.0 A of locked-rotor current; these values assist with inverter current-limit settings. The associated drive must supply a DC-link voltage near 670 V so the motor windings can reach the rated back electromotive force without saturation. Position feedback has an encoder accuracy of ±20 angular seconds, and two NTC thermistors embedded in the stator report temperature to the drive. The motor uses the IM B5 mounting arrangement, which positions the flange against a rigid machine plate.
The shaft accepts an axial load of up to 133 N, enabling belt tension or vertical thrust transmission without separate thrust bearings. The housing has a shock resistance of 6 g, supporting operation in machines that experience abrupt indexing or transport impacts. High-resolution feedback is provided by an optical scale that delivers 8 million increments per revolution, allowing fine interpolation for micrometer-level positioning. The mounting interface uses a 116 mm square flange that mates directly with compatible gearheads or machine frames. No mating connector is supplied, so a plug style must be selected to match the cable harness and sealing requirements. Proper connector selection also helps maintain dependable feedback and power connections when the motor is exposed to vibration or machine movement.
