KDA 3.2-100-3-LQ0-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDA 3.2-100-3-LQ0-W1 is a spindle drive from the KDA Spindle Drives series. It features a rated current of 100 Amps and uses forced cooling with a mounted heatsink blower powered by a 220V AC source. This drive operates within an ambient temperature range of 5 to 45 degrees Celsius and has a DC supply voltage of 300 VDC.
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Product Description:
The KDA 3.2-100-3-LQ0-W1 spindle drive is produced by Bosch Rexroth Indramat as part of the KDA Spindle Drives series. It mounts in a multi-axis cabinet and supplies controlled three-phase power to high-speed machine-tool spindles. By modulating output frequency and voltage from a shared DC bus, the unit lets a CNC controller vary cutting speed, maintain torque during heavy engagement, and synchronize spindle positioning with feed axes. The drive is intended for spindle service rather than general-purpose axis control, so it supports the dynamic response expected in machining, drilling, and grinding systems.
The power stage is energized by a DC link of 300 VDC, and its inverter section is rated to supply up to 100 A of continuous current, matching medium-frame induction or synchronous spindle motors used on lathes and mills. Thermal energy generated during conversion is removed by a mounted heatsink blower, and that blower is supplied from an auxiliary tap rated at 220 V/50-60 Hz. Air is pulled through the fin stack by forced cooling, which helps keep semiconductor junction temperatures within safe limits when the drive operates near peak load or during prolonged high-speed runs. This cooling method supports stable output during rapid acceleration and other demanding spindle-duty cycles.
Installation guidelines place the unit in environments from 5 to 45 °C so internal component aging remains predictable. Reliable operation is also maintained up to 1000 m above sea level, covering most plant elevations without additional airflow adjustments. Speed references arrive over the standardized SERCOS interface, enabling deterministic communication with digital controllers and coordinated spindle control. The drive has no additional interface option, so no extra fieldbus card is installed.
Frequently Asked Questions about KDA 3.2-100-3-LQ0-W1:
Q: What interface is used for speed command input on the KDA 3.2-100-3-LQ0-W1?
A: The KDA 3.2-100-3-LQ0-W1 spindle drive uses a SERCOS interface for receiving speed command values.
Q: How is the KDA 3.2-100-3-LQ0-W1 spindle drive cooled during operation?
A: This spindle drive features a forced cooling system with a mounted heatsink blower.
Q: What ambient temperature range is suitable for the KDA 3.2-100-3-LQ0-W1?
A: Operation is supported in ambient temperatures ranging from 5 to 45 degrees Celsius.
Q: What is the rated current capability of the KDA 3.2-100-3-LQ0-W1 spindle drive?
A: The KDA 3.2-100-3-LQ0-W1 has a rated current of 100 A for continuous operation.
Q: What is the maximum installation elevation for the KDA 3.2-100-3-LQ0-W1?
A: It can be installed at elevations up to 1000 meters above sea level.
