KDA 2.1-050-3-AQS-U1
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The KDA 2.1-050-3-AQS-U1 spindle drive delivers a rated output current of 50 A and supports single-axis operation. Manufactured by Bosch Rexroth Indramat, it is part of the KDA Spindle Drives series and operates with a voltage supply of 3 x 220...230 V AC ±10%. The device features IP20 protection and resolver feedback.
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Product Description:
Bosch Rexroth is a global manufacturer of drive and control technologies. The company provides automation solutions for industrial and mobile applications. Its systems support precise motion control in machinery. The company offers scalable solutions for factory automation and mechanical systems.
The KDA 2.1-050-3-AQS-U1 is a digital main spindle drive designed for controlling asynchronous and frameless spindle motors. It supports continuous current of 35 A and operates with analog ± 10 V speed command input. The device includes an auxiliary encoder input that supports 1 V sinusoidal encoders for feedback control. The load voltage consumption is rated at 1.2 A under 24 V input. The spindle drive includes a microcomputer for monitoring, diagnostics and digital drive control. It ensures high precision speed regulation and rotor position sensing. The unit operates reliably in ambient temperatures up to + 55 °C under reduced data conditions. It is rated for installation elevations up to 1000 meters. The drive delivers continuous torque and stable operation across a wide speed control range. The integrated speed control offers fine resolution that enables accurate spindle positioning and C axis operation. The high resolution feedback supports full speed range monitoring.
The KDA 2.1-050-3-AQS-U1 main spindle drive is built for use in CNC machine tools. Its modular design allows compatibility with other drive modules in a system. The model is equipped with a heatsink blower powered by a 115 V AC supply at 50 – 60 Hz. This enhances cooling and thermal stability during extended operation. The device is classified under protection category IP10. This means it is protected against large solid objects but not moisture. The design supports easy integration into machine cabinets and drive racks. Its compact housing allows optimal use of control panel space.
Frequently Asked Questions about KDA 2.1-050-3-AQS-U1:
Q: Does the KDA 2.1-050-3-AQS-U1 handle high-speed spindle feedback for full-range monitoring?
A: Yes, the KDA 2.1-050-3-AQS-U1 supports high-resolution encoder feedback. This allows precise monitoring across the entire speed range of the spindle.
Q: Can the KDA 2.1-050-3-AQS-U1 operate reliably at higher temperatures in industrial settings?
A: The drive remains stable up to +55 °C under reduced data conditions. This ensures consistent performance during demanding thermal environments.
Q: Is the Bosch Rexroth KDA 2.1-050-3-AQS-U1 compatible with other drive modules in CNC setups?
A: Yes, its modular structure supports seamless integration with other drives. This makes it ideal for multi-axis CNC machine tool configurations.
Q: How does the KDA 2.1-050-3-AQS-U1 maintain torque stability during extended spindle operation?
A: The drive delivers continuous torque and stable speed regulation. It ensures accurate rotor position sensing using analog ±10 V input and encoder feedback.
Q: Does the KDA 2.1-050-3-AQS-U1 offer protection for use in industrial cabinets?
A: It’s rated IP10, protecting against large solid objects like tools or fingers. This makes it safe for integration inside machine racks and control panels.
