KDA 3.1-050-3-DQI-U1
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The Bosch Rexroth Indramat KDA 3.1-050-3-DQI-U1 spindle drive, part of the KDA Spindle Drives series, features internal air-cooled cooling and a protection class of IP20. It supports digital/analog control interfaces and operates at a rated current of 50A. The module's weight is approximately 20 kilograms.
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Product Description:
The KDA 3.1-050-3-DQI-U1 Main Spindle Drive is designed for precise and stable spindle control in industrial applications. It ensures accurate speed regulation and high operational reliability. The model is a dependable choice for machine tool spindle drive systems.
The KDA 3.1-050-3-DQI-U1 main spindle drive integrates a reliable control system for demanding spindle operations. Its continuous current rating is 35 A that enables stable performance during prolonged duty. The DC bus voltage level is 300 V that ensures adequate power delivery for industrial spindle requirements. The auxiliary 24 V supply consumption is 1.2 A which supports control electronics and related loads. The device has a total weight of 16.6 kg with an additional 4.2 kg blower unit for cooling. The permissible ambient temperature range is + 5 °C to + 45 °C that is suitable for standard industrial environments. The installation of the model is possible at elevations up to 1000 m above sea level without performance loss. This spindle drive unit design ensures vibration resistance, electrical safety and reliable thermal performance.
The KDA 3.1-050-3-DQI-U1 main spindle drive from Bosch Rexroth uses a digital 16 bit parallel speed command input that allows accurate control integration with automation systems. The unit includes an incremental encoder output as an auxiliary interface for monitoring and signal feedback. The cooling is ensured by a forced heatsink blower system which is mounted externally on the drive enclosure. A special long screwdriver of at least 185 mm blade length is required for mounting the air duct behind the blower. The mounting panel attaches to the rear of the control enclosure that ensures a secure and sealed fit with winding and gasket support.
Frequently Asked Questions about KDA 3.1-050-3-DQI-U1:
Q: How does the KDA 3.1-050-3-DQI-U1 main spindle drive support accurate speed control in CNC spindle operations?
A: It uses a 16-bit parallel digital speed command input to enable precise integration with control systems. This ensures smooth spindle transitions and fine-tuned RPM regulation during machining.
Q: How is thermal performance maintained in the KDA 3.1-050-3-DQI-U1 main spindle drive under extended load?
A: A forced external blower cools the heatsink, mounted directly on the enclosure. This design supports long duty cycles by controlling internal temperatures effectively.
Q: How does the KDA 3.1-050-3-DQI-U1 main spindle drive deliver stability in elevated industrial environments?
A: It operates reliably at up to 1000 meters altitude without derating. This makes it suitable for installations in high-elevation workshops or manufacturing facilities.
Q: How does the KDA 3.1-050-3-DQI-U1 main spindle drive enable feedback monitoring during motion control?
A: It includes an incremental encoder output for auxiliary signal tracking. This supports closed-loop operations and diagnostic feedback in spindle positioning.
Q: What considerations apply when mounting the blower system of the KDA 3.1-050-3-DQI-U1 spindle drive?
A: The blower requires a minimum screwdriver blade length of 185 mm to install the air duct. The rear-mounted panel uses gasket support to ensure a sealed connection.
