KDA 3.2-050-3-AYI-U1
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The Bosch Rexroth Indramat KDA 3.2-050-3-AYI-U1 belongs to the KDA Spindle Drives series and features a panel mount design. It operates with a continuous current of 3.2 A, a peak current of 6 A, and supports an input voltage range of 19–50 VDC. The unit weighs 8.5 kg and uses forced air cooling for thermal management.
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Product Description:
The KDA 3.2-050-3-AYI-U1 Spindle Drive is specifically made by Bosch Rexroth Indramat for accurate spindle control in high-technology motion systems. This drive accepts a speed command value via an analog ±10V signal, which is compatible with conventional analog control devices. This interface ensures precise speed modulation achievement, which is crucial in applications where accurate spindle RPM values are necessary.
The KDA 3.2-050-3-AYI-U1 drive functions at a DC bus voltage of 300 V, which provides a stable power supply for the performance of high-speed motors, particularly in machine tool applications. This spindle drive provides a rated current of 50 A to provide smooth acceleration, stable torque supply, and effective load management even in heavy-inertia applications. The cooling of this spindle drive is managed through forced convection with the aid of a heatsink blower, providing efficient thermal management of internal electronics. The heat sink fan works at a voltage of 220 V and is set to operate between a frequency of 50 to 60 Hz, which is suitable for typical industrial power standards. The incremental encoder output of this spindle drive gives real-time feedback for shaft position and rotation speed, thus allowing closed-loop control systems to run with greater accuracy.
In this spindle drive, there is an auxiliary encoder input to accommodate both synchronous and auxiliary signals. The environmental robustness of this spindle drive is provided by a storage and transportation temperature range of -30°C to +85°C to protect the components during non-use situations and transport. The acceptable humidity rating of this drive is Class F according to DIN 40 040 to provide operation in the presence of regulated humidity. The protection class of the KDA 3.2-050-3-AYI-U1 is IP10 according to DIN 40 050, which allows installation only in protected enclosures.
Frequently Asked Questions about KDA 3.2-050-3-AYI-U1:
Q: How does the ±10V analog speed command benefit motion control?
A: It enables smooth and linear speed adjustment from external controllers. This supports precision spindle RPM control during various machining operations.
Q: Why is a 50 A rated current important in the KDA 3.2-050-3-AYI-U1?
A: It ensures the drive can handle high-load spindles without current overload. This rating supports consistent torque output during intensive machine cycles.
Q: What is the role of the auxiliary encoder input in this spindle drive?
A: It allows external encoders to synchronize with the drive. This ensures accurate positioning and timing in coordinated multi-axis systems.
Q: Why does the KDA 3.2-050-3-AYI-U1 use a heatsink blower for cooling?
A: Forced cooling maintains safe operating temperatures under continuous load. It prevents overheating in enclosed or high-duty applications.
Q: How does the 220 V, 50–60 Hz fan voltage support industrial standards?
A: It aligns with global industrial power supply specs. This ensures the fan can be powered reliably in different regional settings.
