KDA 3.2-050-3-AQI-U1
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The KDA 3.2-050-3-AQI-U1 spindle drive features a panel mounting design and an approximate weight of 5.5 kg. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives series, it operates on a 3-phase 400V power supply with a rated current of 3 A. The drive has an IP54 enclosure rating and utilizes a digital control system.
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Product Description:
Bosch KDA 3.2-050-3-AQI-U1 Spindle Drive offers a 50 A continuous output and integrated incremental encoder feedback and ensures precise motion control and seamless system communication in demanding industrial environments.
The KDA 3.2-050-3-AQI-U1 spindle drive remains stable and undamaged between -30 and +85 degrees Celsius and it is rated for environments with elevated moisture levels, compliant with Class F according to DIN standard 40 040. Its rotational velocity is governed via an analog voltage interface, accepting signals that vary between -10 volts and +10 volts which allows for precise and continuously variable speed regulation and its mounting altitude without performance loss is up to 1000 meters. It is designed to accept input from a supplementary encoder that transmits a 1-volt peak sinusoidal signal which allows for highly accurate feedback in motion control systems and aids in synchronized operation and refined positioning of the spindle. It is able to deliver a stable electrical current of up to 35 amperes without overheating or triggering protective shutdown and with 16.6 kilograms weight it is small but substantial enough to imply a robust mechanical and thermal design.
This KDA 3.2-050-3-AQI-U1 spindle drive features minimal enclosure sealing and offers basic protection against solid objects larger than 50 mm and its heatsink blower which expels internal heat from the drive, draws its power from a standard alternating current source of 115 volts and can operate on frequencies between 50 and 60 hertz. The module's thermal regulation is handled by an active airflow system such as a fan or blower that pushes air across the heatsink and for optimal functioning and full-rated performance, it should be used in environments where the surrounding air temperature is between +5 and +45 degrees Celsius.
Frequently Asked Questions about KDA 3.2-050-3-AQI-U1:
Q: Why does the KDA 3.2-050-3-AQI-U1 use a sinusoidal 1V encoder input?
A: This input provides high-resolution feedback essential for smooth speed and position control. It's ideal for applications requiring tight motion synchronization and spindle accuracy.
Q: How does forced air cooling improve the drive's performance?
A: Forced cooling maintains thermal stability under heavy loads. This allows the drive to operate at higher currents without risking overheating or derating.
Q: What advantage does the 300V DC bus offer in the KDA 3.2-050-3-AQI-U1?
A: A 300V DC bus ensures efficient power delivery and fast motor response. It minimizes energy loss and supports higher-speed spindle applications.
Q: How does Class F humidity rating benefit the KDA 3.2-050-3-AQI-U1 in industrial settings?
A: It protects internal components in humid environments, reducing the risk of corrosion or moisture-related failures. This extends drive life and reliability in harsh conditions.
Q: Why is ±10V analog speed control used instead of digital inputs?
A: Analog control provides smoother speed transitions and real-time response. It’s especially useful in legacy systems and when integrating with analog controllers.
