KDA 3.1-150-3-AQ0-U1
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The KDA 3.1-150-3-AQ0-U1 spindle drive has a current rating of 150 Amperes, operates on a typical voltage of 3-phase 380-460V AC, features integral forced air ventilation, and uses AQ resolver feedback. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it supports MAC and MDD servo motors.
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Product Description:
The KDA 3.1-150-3-AQ0-U1 is a main spindle drive from Rexroth Indramat that is made for controlling spindles. The spindle drive is from Series 3 and has a strong design that lets it integrate into machine tools easily. It is intended for use in CNC centers for milling, turning and grinding where accurate spindle control is required.
The KDA 3.1-150-3-AQ0-U1 spindle drive can handle a DC bus voltage of 300 V and has a maximum current of 150 A. The speed command can be given through a SERCOS interface or by using an analog ±10 V input. The spindle drive cooling is provided by a forced cooled heatsink fan that uses its own 115 VAC supply. The KDA 3.1-150-3-AQ0-U1 spindle drive can be installed up to 1000 meters above sea level without losing standard performance. The ambient temperature range is 0°C to 40°C for normal operation. According to DIN 40 050 the spindle drive has a specified protection level of IP20. It includes an additional input for a 1V sine wave encoder for precise feedback. The spindle drive is made in a compact size and can be replaced within Series 3 models. It is designed without the inclusion of any auxiliary interface. It is engineered to deliver consistent performance in demanding production environments.
The KDA 3.1-150-3-AQ0-U1 spindle drive is designed to meet industrial environmental requirements including a humidity range of 5% to 95% non condensing. The layout allows flexible integration to suit different machines and spindle configurations. The interface design makes it straightforward to connect, send commands and receive operational feedback. It is built so the drive works dependably in controlled industrial settings.
Frequently Asked Questions about KDA 3.1-150-3-AQ0-U1:
Q: Why is the KDA 3.1-150-3-AQ0-U1 spindle drive designed without an auxiliary interface?
A: The absence of an auxiliary interface simplifies the design and focuses on core functionality, making the drive more reliable and easier to integrate into existing systems without unnecessary complexity.
Q: How does the KDA 3.1-150-3-AQ0-U1 integrate into different machines and spindle configurations?
A: The drive’s flexible layout and integration options make it suitable for various machine types, ensuring compatibility with different spindle setups in CNC milling, turning, and grinding.
Q: How does the KDA 3.1-150-3-AQ0-U1 spindle drive handle high current applications?
A: The drive's 150 A maximum current capacity ensures it can handle high-load operations, providing the power needed for demanding spindle tasks without overheating.
Q: How does the analog ±10 V input improve flexibility in the KDA 3.1-150-3-AQ0-U1 drive?
A: The analog input allows integration with older control systems, offering compatibility with a wide range of legacy equipment without requiring major system upgrades.
Q: What is the role of the SERCOS interface in the KDA 3.1-150-3-AQ0-U1 drive?
A: The SERCOS interface enables fast and precise communication, allowing for seamless integration into modern CNC control systems for real-time adjustments.
