SR-A5.0700.030-10.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SR-A5.0700.030-10.000 is a synchronous servo motor from the SR Synchronous Servo Motors series with a flange size of 190 mm and a mass of 50 kg. It features IP67 protection, a locked-rotor torque of 69 Nm, and a resolver feedback system with 8192 increments per revolution. The motor has a rated speed of 3000 min-1 and an admissible axial force of 380 N.
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Product Description:
The SR-A5.0700.030-10.000 synchronous servo motor is produced by Bosch Rexroth Indramat within the SR Synchronous Servo Motors series. It serves as an electromechanical actuator that supplies tightly regulated torque and speed to automated machine axes, enabling accurate interpolation, indexing, and feed functions in assembly stations and processing equipment. Using a brushless architecture and resolver feedback, the unit interfaces with Rexroth digital drives that adjust phase currents in real time, allowing commanded motion profiles to be followed with precise closed-loop correction.
The motor delivers a locked-rotor torque of 69 Nm when a surge current of 45 A RMS is applied, giving the drive breakaway force for static loads. Continuous operation is centered on its rated speed of 3000 rpm. The torque constant of 1.53 Nm/A indicates the proportional relationship between phase current and output torque. An admissible axial force of 380 N can be applied to the shaft without exceeding bearing limits, which is important when the motor is connected to an inline gearbox or a belt-driven mechanism. The 32 × 58 mm shaft transmits power through keyed couplings, while the rotor inertia of 257 × 10⁻⁴ kg·m² balances dynamic response with load stability. Resolver feedback has an accuracy of ±10 angular minutes and provides 8,192 increments per revolution, reporting rotor position to the controller for closed-loop regulation.
Mechanical integration is handled through a square flange that measures 190 mm, matching standard IEC mounting faces and centering the motor precisely. The body has an overall length of 483 mm, so the installation must provide adequate axial clearance for the housing and cable connections. The assembly weighs 50 kg, requiring a machine mounting structure capable of supporting the motor securely during acceleration and deceleration. The winding housing and connectors satisfy the IP67 protection rating, preventing dust ingress and protecting the motor against temporary immersion under the applicable test conditions. A resolver housed in the end bell remains protected from coolant splash, while the flange stiffness helps maintain shaft alignment during operation.
