KDA 3.1-100-3-LYS-U1
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The KDA 3.1-100-3-LYS-U1 spindle drive supports both synchronous and asynchronous servo motors, offers a continuous current of 100 A, provides resolver and encoder feedback, and utilizes analog/digital interfaces. Part of the KDA Spindle Drives by Bosch Rexroth Indramat, it features IP20 protection.
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Product Description:
The KDA 3.1-100-3-LYS-U1 Main Spindle Drive is a modular drive system designed for CNC machine tool applications. It provides precise spindle control, operates with a 300 V DC bus voltage and delivers 70 A continuous current. It integrates seamlessly with feed control modules for high adaptability.
This KDA 3.1-100-3-LYS-U1 main spindle drive is part of a modular system that allows pairing with other drive controllers for feed axes. The unit is engineered for optimal performance in CNC machine tools requiring custom adaptation. It operates with a DC bus voltage of 300 V and delivers a continuous current of 70 A. The drive includes auxiliary and synchronous encoder inputs that allows improved positioning accuracy and feedback. It supports an AC supply of 115 V at 50 – 60 Hz for the heatsink blower to ensure stable thermal management. The measuring voltage provided is ± 15 V with a maximum of 160 mA. The device weighs 17.1 kg that is suitable for compact machine tool enclosures. Its modular configuration allows flexible integration into existing machine systems. The KDA series spindle drive also supports integration with additional feed modules.
The protection category of the Bosch Rexroth KDA 3.1-100-3-LYS-U1 main spindle drive is rated at IP 10 that offers basic protection against solid objects only. It supports a wide temperature range for storage and transport from – 30 °C to + 85 °C. Its compact structure simplifies maintenance and installation. The drive incorporates an integrated microprocessor based control unit responsible for precise drive regulation, real time monitoring and advanced diagnostic functions. This system utilizes a high resolution encoder to continuously measure rotor position with exceptional accuracy across the entire operational speed range.
Frequently Asked Questions about KDA 3.1-100-3-LYS-U1:
Q: How does the KDA 3.1-100-3-LYS-U1 handle feedback precision in high-speed spindle operations?
A: The drive uses auxiliary and synchronous encoder inputs to enhance positioning accuracy. This feature helps maintain precise control even at high spindle speeds during demanding CNC machining.
Q: Will the KDA 3.1-100-3-LYS-U1 manage thermal loads efficiently in continuous CNC duty?
A: It supports a 115 V AC supply at 50–60 Hz for the heatsink blower to stabilize heat dissipation. This ensures reliable thermal performance during extended operating cycles in tight enclosures.
Q: Can the Bosch Rexroth KDA 3.1-100-3-LYS-U1 integrate into a multi-axis CNC environment?
A: Its modular configuration allows seamless pairing with feed drive modules for synchronized control. This makes it adaptable to complex multi-axis machine systems with high motion coordination demands.
Q: How does the KDA 3.1-100-3-LYS-U1 maintain control accuracy across variable speed ranges?
A: The unit incorporates a microprocessor-based control with real-time monitoring and diagnostics. It utilizes a high-resolution encoder to track rotor position with precision throughout the speed spectrum.
Q: What environmental resilience does the KDA 3.1-100-3-LYS-U1 offer during transit and storage?
A: The drive is rated for storage and transport temperatures from –30 °C to +85 °C. Its IP10 rating offers basic protection, suitable for enclosed, controlled industrial environments.
