KDA 3.1-150-3-AYS-U1
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The KDA 3.1-150-3-AYS-U1 drive controller offers a 150A output current, operates on a 230/400V AC 3-phase input voltage, features air-cooled operation, and supports a SERCOS communication interface. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it includes IP20 protection with panel mounting capabilities.
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Product Description:
Bosch Rexroth is a global manufacturer of automation and motion control solutions. The company designs high precision products for industrial, manufacturing and engineering applications. Its portfolio includes drives, motors, hydraulics and control systems.
The KDA 3.1-150-3-AYS-U1 Main Spindle Drive is designed for integration in advanced CNC systems. The rated current of the drive is 150 A with a continuous current of 90 A. The blower unit (model LE4) in this model weighs 4.2 kg for efficient thermal management. The blower’s airflow is optimized for efficient heat removal from internal components. The speed command values are handled via an analog ± 10 V A input. The main spindle drive is powered by a DC bus voltage of 300 V which ensures stable and reliable performance across a wide range of operating conditions. This voltage level is carefully selected to maintain optimal torque delivery and speed control while minimizing power fluctuations. The unit also includes auxiliary encoder input with auxiliary and synchronous capabilities. This is enabled through AS 35 compatibility and analog speed control. The electrical protection category of the model is IP 10 according to DIN 40 050. This provides protection against objects larger than 50 mm in diameter. The drive is not protected against water ingress or deliberate penetration by smaller objects. It must be installed in a sealed housing or enclosure for safe operation.
The KDA 3.1-150-3-AYS-U1 main spindle drive supports precise control and stable speed regulation for spindle applications. Its robust design allows consistent operation under industrial duty cycles. The design of the drive accommodates ambient temperature fluctuations and installation in elevated locations up to 1,000 m. The modular design of the drive permits straightforward integration with other drive controllers for feed axes.
Frequently Asked Questions about KDA 3.1-150-3-AYS-U1:
Q: What are the cooling requirements for the Bosch Rexroth KDA 3.1-150-3-AYS-U1 Main Spindle Drive?
A: The KDA 3.1-150-3-AYS-U1 requires a forced ventilation system with a heatsink blower for cooling. The blower weighs 4.2 kg and operates on an AC supply of 115 V at 50-60 Hz to efficiently manage heat dissipation.
Q: Can the Bosch Rexroth KDA 3.1-150-3-AYS-U1 be used in elevated locations?
A: Yes, the KDA 3.1-150-3-AYS-U1 can operate in locations up to 1,000 meters above sea level. Its design accommodates fluctuations in ambient temperature, ensuring reliable performance in various environments.
Q: How does the Bosch Rexroth KDA 3.1-150-3-AYS-U1 handle speed regulation?
A: The KDA 3.1-150-3-AYS-U1 uses an analog ±10 V A input to control speed values. The drive supports precise speed regulation and integrates well with auxiliary encoders for both auxiliary and synchronous applications.
Q: What electrical protection does the Bosch Rexroth KDA 3.1-150-3-AYS-U1 offer?
A: The KDA 3.1-150-3-AYS-U1 has an electrical protection category of IP 10. This protection prevents entry of objects larger than 50 mm, but it is not resistant to water ingress or smaller object penetration.
Q: Can the Bosch Rexroth KDA 3.1-150-3-AYS-U1 be integrated with other controllers?
A: Yes, the modular design of the KDA 3.1-150-3-AYS-U1 allows seamless integration with other drive controllers for feed axes. It simplifies the setup and ensures smooth communication between different system components.
