KDA 2.1-150-3-AQ0-W1
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The Bosch Rexroth Indramat KDA 2.1-150-3-AQ0-W1 belongs to the KDA Spindle Drives series and boasts a nominal torque of 150 Nm. It features universal/configurable mounting orientation and operates with an efficiency of up to 96%. Its protection class is rated at IP65, and it supports input speeds of up to 3,000 rpm.
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Product Description:
The KDA 2.1-150-3-AQ0-W1 Spindle Drive boasts a rated current of 150 A to handle high-power spindle operations with a lot of energy output. Engineered by Bosch Rexroth Indramat, its thermal management relies on forced-air cooling to avoid overheating and ensure operational stability during repeated cycles.
With a net weight of 17.4 kg, the KDA 2.1-150-3-AQ0-W1 spindle drive achieves structural strength with easy installation and integration into industrial machine enclosures. Its mechanical mounting accessory has a weight of 1.7 kg, providing supplementary support for stable and reliable mounting when installed in cabinets or control systems. This drive possesses an IP10 protection class, defined according to DIN 40 050 standards, giving basic protection against solid object entry. A single-phase, 220 V, 50–60 Hz, dedicated cooling fan provides efficient forced cooling to maintain internal temperatures stable and permit long-term operation. The DC bus voltage capacity of this drive is 300 V, providing sufficient energy supply for heavy-duty spindle applications and guaranteeing efficient drive operation. Within an ambient operating temperature of +5 °C to +45 °C, this drive can be operated in controlled factory environments where environmental stability is assured.
This drive’s maximum allowable installation height is 1,000 meters above sea level, ensuring reliable performance without derating in normal industrial site installations. The KDA 2.1-150-3-AQ0-W1 drive features an auxiliary feedback input for a 1 V sinusoidal encoder, which improves position precision and offers sophisticated closed-loop feedback capability. This spindle drive offers a maximum continuous current capacity of 90 A without slowing down or overheating during long-term workloads in various tasks. This drive utilizes an analog ±10 V velocity control signal, providing accurate speed control and reliable spindle performance via direct interfacing with external motion controllers.
Frequently Asked Questions about KDA 2.1-150-3-AQ0-W1:
Q: Why is the auxiliary 1 V sinusoidal encoder input important in this spindle drive?
A: It provides accurate feedback signals for closed-loop operation. This allows stable positioning and better control at higher spindle speeds.
Q: How does the analog ±10 V velocity control improve performance in KDA 2.1-150-3-AQ0-W1?
A: It ensures precise spindle speed adjustments with minimal error. The feature enables synchronization with external control systems for accurate machining cycles.
Q: What advantage does the forced cooling method bring to the KDA 2.1-150-3-AQ0-W1?
A: It prevents overheating during prolonged high-current usage. This cooling ensures the unit maintains efficiency even under demanding workloads.
Q: How does the 17.4 kg drive weight affect installation?
A: The weight provides structural stability in cabinet assemblies. It also reduces vibration impact, improving reliability during spindle operation.
Q: Why does the mechanical mounting accessory weigh 1.7 kg?
A: It adds rigidity to the installation frame. This ensures secure attachment and reduces potential mechanical stress on the drive.
