SR-A5.0460.030-10.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SR-A5.0460.030-10.000 is a synchronous servo motor with a standstill torque of 46 Nm and a rated speed of 3000 min^-1. This motor is part of the SR Synchronous Servo Motors series and features an IM B5 mounting style, IP67 protection rating, and uses radiation and convection cooling. It is equipped with a resolver feedback type, a centering diameter of 180 mm, and a shaft diameter of 32 mm with a smooth shaft style.
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Product Description:
The SR-A5.0460.030-10.000 is a synchronous servo motor produced by Bosch Rexroth Indramat as part of the SR Synchronous Servo Motors series. It serves as a rotary actuator in automated machinery, where a drive amplifier commands the internal windings to develop controlled torque and speed. Typical roles include positioning carriages, driving tool spindles, and indexing conveyor lanes. These applications benefit from the rapid acceleration and precise stopping accuracy provided by closed-loop motor control.
At standstill, the motor can deliver 46 Nm of torque, allowing it to hold static loads without an external brake. Continuous operation is rated at 3000 rpm, a speed that matches common servo controllers and keeps inertia matching straightforward. During no-load excitation, the stator requires 29.1 Arms, which is important when sizing power supplies and drive fuses. The aluminum housing is sealed to IP67, preventing dust ingress and protecting the motor during temporary water immersion. The flange follows the IM B5 mounting style, so the frame bolts directly to tapped machine plates. Heat produced by copper losses leaves the stator through radiation and convection, eliminating the need for forced-air ducts.
The centering pilot measures 180 mm, allowing the motor to center securely within large gearbox housings. A 32 mm smooth shaft transmits torque with minimal backlash when clamped by hub or collar couplings. Structural components endure shocks up to 6 g, which is useful for machines experiencing abrupt indexing or end-stop impacts. Acoustic emissions remain at 58 dB(A) when measured from one meter away, helping equipment meet plant noise targets. Resolver feedback supplies absolute position data over a full revolution, supporting accurate rotor position monitoring by the connected drive. Two NTC temperature sensors provide real-time winding temperature data for thermal limiting during operation. Passive cooling permits continuous service without ancillary fans or associated airflow equipment.
