KDA 2.1-150-3-AP0-W1
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The KDA 2.1-150-3-AP0-W1 is an air-cooled motor/drive amplifier with a rated output current of 150A. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives series, it operates on 3-phase power at a rated voltage of 3 x 400 V AC. This 18 kg unit features IP20 protection for reliable operation.
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Product Description:
The Bosch Rexroth KDA 2.1-150-3-AP0-W1 Spindle Drive delivers reliable spindle positioning, C-axis operations and extensive speed management. The model ensures continuous operation and minimized downtime in machining environments requiring precision, consistency and operational efficiency.
This KDA 2.1-150-3-AP0-W1 spindle drive operates with a DC bus voltage of 300 V that supports industrial power requirements with stable performance. It consumes ± 15 V measuring voltage at 160 mA for efficient monitoring and signal reliability. The main spindle drive is equipped with a dedicated auxiliary encoder input. This auxiliary encoder interface allows the connection of an additional rotary or linear encoder that enables the system to receive high resolution positional feedback. The unit operates within a permanent ambient temperature range of + 5 °C to + 45 °C. It offers thermal balance and sustained efficiency during prolonged operation. The drive supports continuous current of 190 A that is suitable for demanding spindle and C axis operations requiring consistent torque and stability. The integrated fault diagnostics with a keypad display enhances reliability, as the system locks and shuts down power upon detecting faults. This ensures safety, protection of components and quick troubleshooting. It supports both spindle motor feedback and secondary motor feedback. This capability allows precise synchronization between the main spindle and auxiliary axes that ensures accurate speed control, phase alignment and coordinated motion.
The KDA 2.1-150-3-AP0-W1 spindle drive supports high resolution spindle positioning and advanced C axis capability. It is critical for CNC machining tasks requiring rotational precision. Its speed control range is extensive with spindle speeds adjustable down to 0.0005 rpm that offers exceptional flexibility across machining applications. It supports fine resolution of ≤ 1/360,000 revolution that delivers ultra precise C axis motion with smooth operation.
Frequently Asked Questions about KDA 2.1-150-3-AP0-W1:
Q: How does the KDA 2.1-150-3-AP0-W1 spindle drive maintain ultra-precise C-axis control during fine positioning tasks?
A: It supports resolution up to ≤ 1/360,000 revolution, enabling highly accurate motion. This level of precision is essential for demanding CNC applications and rotational contouring.
Q: What mechanism in the KDA 2.1-150-3-AP0-W1 enables feedback-driven spindle synchronization?
A: It includes an auxiliary encoder input that allows secondary motor or spindle feedback. This ensures synchronized positioning and consistent axis control during complex multi-axis operations.
Q: How does the KDA 2.1-150-3-AP0-W1 ensure safety and minimize component damage during system errors?
A: Its built-in diagnostic system automatically detects faults and shuts down power. The integrated keypad interface allows real-time status monitoring and simplifies troubleshooting.
Q: What cooling method does the KDA 2.1-150-3-AP0-W1 use to support long cycle operations?
A: It employs forced cooling through a 220 V-rated heatsink blower for effective thermal management. This maintains operating stability and supports consistent high-current performance.
Q: How does the KDA 2.1-150-3-AP0-W1 perform under fine-speed control requirements in low-RPM spindle applications?
A: It allows speed adjustments down to 0.0005 rpm for extreme control precision. This ensures smooth spindle motion during fine boring, engraving, or indexing operations.
