KDA 3.1-100-3-AQI-W1
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The Bosch Rexroth Indramat KDA 3.1-100-3-AQI-W1 spindle drive is part of the KDA Spindle Drives series and features a rated power of 3.1 kW. It operates with an input voltage of 380-480 V AC, has an output current of 100 A, and uses air cooling. The drive weighs approximately 7 kg and complies with CE and UL standards.
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Product Description:
The KDA 3.1-100-3-AQI-W1 is a spindle drive, which is compatible with a bus voltage of 300 VDC, enabling safe energy conversion. The Bosch Rexroth Indramat makes this drive, and its maximum current of 100 A gives it the capacity to deliver a current without any interruption.
The speed command interface of this drive uses an analog +/ - 10V signal input, which is used to precisely control the spindle speed within large operating ranges. The KDA 3.1-100-3-AQI-W1 drive is fitted with an optional auxiliary encoder input that supports 1V sinusoidal encoders, a great feature to provide effective motion controller feedback. This drive’s synchronized performance and efficient delivery of feedback signals are made possible through its encoder-based connectivity. Its effective cooling is managed with a heatsink blower that employs forced air for proper heat dissipation, especially during extended usage. This blower is driven from an AC power supply rated at 220V and 50–60Hz, which provides consistent airflow under any system load. The operating environmental conditions of this drive have an ambient temperature range of between +5 °C and +45 °C, appropriate for controlled industrial applications.
The KDA 3.1-100-3-AQI-W1 spindle drive is in accordance with DIN 40 040 humidity classification F, ensuring resistance to moisture within specified limits. Its installation at a height of 1,000 meters above sea level is permitted, such that cooling performance and electrical stability are within safe limits at higher altitudes. The mounting position of this drive is vertical with grounding bolts located on the top, a specification that guarantees proper electrical grounding and structural integrity. For easy, secure mounting, this drive has a mechanical mounting accessory that weighs 1.7 kg and is meant for supporting stable mounting.
Frequently Asked Questions about KDA 3.1-100-3-AQI-W1:
Q: Why does the spindle drive use an incremental encoder output?
A: It provides secondary feedback for monitoring and synchronization. This ensures compatibility with automation controllers requiring additional encoder signals.
Q: How does the auxiliary encoder input improve KDA 3.1-100-3-AQI-W1 performance?
A: It ensures accurate feedback from 1V sinusoidal encoders. This improves speed regulation and enhances spindle positioning precision.
Q: How does forced cooling by heatsink blower benefit this model?
A: It maintains consistent airflow during continuous operation. This prevents overheating and protects critical electronic components.
Q: Why is vertical mounting orientation required for KDA 3.1-100-3-AQI-W1?
A: Vertical orientation ensures correct grounding and heat dissipation. It also maintains safe electrical connections during operation.
Q: How does the 220V/50–60Hz supply for the blower affect performance?
A: It provides stable input to the cooling fan system. This ensures uniform cooling across varying load conditions.
