KDA 3.2-100-3-DY0-U1
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The Bosch Rexroth Indramat KDA 3.2-100-3-DY0-U1 spindle drive, part of the KDA Spindle Drives series, features a rated current of 3.2 A and peak current of 100 A. It operates at a 3-phase 380-480 V AC power supply and utilizes force air cooling. The drive is equipped with IP20 enclosure protection and overcurrent protection.
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Product Description:
The KDA 3.2-100-3-DY0-U1 is a spindle drive from Bosch Rexroth Indramat. It belongs to the KDA Spindle Drives series and is designed for CNC machine tools.
The KDA 3.2-100-3-DY0-U1 drive has a DC bus voltage of 300 V. The drive provides a rated current of 100 A and a continuous current of 70 A. Control electronics require a +24 V supply with a capacity of 1.4 A. An additional measurement supply of ±15 V and 160 mA is included. The blower supply runs on 115 V AC at 50 or 60 Hz. The unit supports spindle positioning and advanced C-axis operation for reliable machining performance. Auxiliary encoder input is available in conjunction with synchronous inputs for motor or spindle feedback. Motor feedback is provided via the 15-pin X3 connector, and an additional encoder can be attached to X5. The product supports optional RS-232C serial communication. The drive is compatible with Indramat 2AD asynchronous motors and 1MB frameless spindle motors, with a continuous power range of 3 to 22 kW. Control is achieved by microprocessor-based digital monitoring and diagnostics. The speed control range is from 0.0005 rpm to maximum spindle speed. C-axis operation provides a resolution of 1/360,000 revolutions. With encoder feedback or the SERCOS interface, positioning accuracy can be as high as 1/2,000,000 revolution. Diagnostic features are offered via an integrated keypad and AS programming module. The drive can operate in ambient temperatures ranging from +5 °C to +45 °C, with a maximum of +55 °C.
The KDA 3.2-100-3-DY0-U1 drive weighs about 17.1 kg. The mounting kit adds 1.7 kg, while the blower unit adds 4.2 kg, making the total assembly weight to 23 kg. Cooling is through a forced blower which has 32 l/s airflow at 30 Pa. Dimensions are 373 mm high, 355 mm deep, and 150 mm wide. The product must be vertically placed within a sealed control enclosure. The storage temperatures range from -30 °C to +85 °C. Installation is supported up to 1000 m altitude, with humidity restrictions of 70% non-condensing.
Frequently Asked Questions about KDA 3.2-100-3-DY0-U1:
Q: How does the microprocessor-based control in KDA 3.2-100-3-DY0-U1 Spindle Drive improve operation?
A: It enhances drive monitoring and ensures precise diagnostic feedback. This allows better control stability during demanding spindle tasks.
Q: Why is individual grounding required for the KDA 3.2-100-3-DY0-U1 Spindle Drive?
A: It prevents electrical interference and ensures safe operation. The direct grounding improves system reliability in CNC machine tools.
Q: Why does the KDA 3.2-100-3-DY0-U1 Spindle Drive require sealed control enclosures?
A: Sealed enclosures protect against dust and environmental contaminants. This ensures long-term stability in industrial environments.
Q: How does RS-232C communication option enhance usability of the drive?
A: It enables parameter adjustments through external systems. This simplifies integration into advanced automation networks.
Q: How does high-resolution position control improve machining accuracy?
A: It supports precise cutting and spindle positioning. This reduces machining tolerances and improves final product quality.
