SG-A3.055.049-13.010
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The SG-A3.055.049-13.010 is a Bosch Rexroth Indramat synchronous servo motor. As part of the SG Synchronous Servo Motors series, it features a compact design with IM B5 construction. This motor has a torque at standstill of 5.8 Nm. It boasts IP65 protection and employs natural convection cooling.
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Product Description:
The SG-A3.055.049-13.010 model of servo motor is developed by Bosch. This motor offers high reliability and is fully protected against harsh climatic conditions. It is from the SG Synchronous Servo Motors Series.
The SG-A3.055.049-13.010 servo motor output shaft end complies with DIN 748 standard which specifies shaft dimensions and tolerances. It also includes a keyway and feather key which are mechanical features that help transmit torque from the motor shaft to a coupled load (like a gear or pulley) thereby prevents slippage. The motor's current responds to a change in voltage in 0.46 ms which is a shorter time constant and means it can react very quickly to changes. The internal feedback device used to determine the rotor's position is brushless resolver, which is a durable, analog sensor that provides precise rotor angle feedback. The standardized physical size of the motor body is defined by frame size of 55 which indicates a small, compact motor size, commonly used in space constrained setups. At its holding position the torque it can generate is 5.8 Nm is fairly high for a motor of this size. The diameter of the circle formed by the centers of the mounting bolt holes is O165 mm.
The SG-A3.055.049-13.010 servo motor also comes with a built-in brake that holds the position when power is off. It is built to run continuously at 4800 rpm at its rated power which is relatively high for servo motors and makes it suitable for fast, responsive applications like pick and place or high speed spindles. 0° to 40 °C is the temperature range in which the motor can safely operate. It consumes 13 A current when it’s energized but not rotating.
Frequently Asked Questions about SG-A3.055.049-13.010:
Q: How does the brushless resolver improve the performance of the SG-A3.055.049-13.010 motor?
A: The brushless resolver provides highly accurate rotor position feedback. This enhances motion precision and improves closed-loop servo control in dynamic applications.
Q: Why is the O165 mm bolt circle diameter important in SG-A3.055.049-13.010 mounting applications?
A: A larger bolt circle improves stability and load handling. It ensures the servo motor remains securely mounted during high-speed or high-torque operations.
Q: What is the benefit of the short 0.46 ms electric time constant in real-time control?
A: It enables rapid current response to voltage changes. This results in faster acceleration and deceleration, ideal for high-speed automation tasks.
Q: Why is DIN 748 standard used for the shaft in SG-A3.055.049-13.010 servo motor?
A: DIN 748 ensures compatibility and precision in mechanical coupling. It allows the motor to fit seamlessly into standardized drive systems.
Q: How does the built-in brake of SG-A3.055.049-13.010 contribute to safety?
A: The holding brake prevents shaft movement when power is off. This is crucial in vertical or load-sensitive applications to avoid unwanted motion.
