KDA 3.2-100-3-APD-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDA 3.2-100-3-APD-W1 is a spindle drive from the KDA Spindle Drives series, featuring forced cooling with a mounted heatsink blower powered at 220V, 50-60Hz. This drive operates with a DC supply voltage of 300 VDC and has a rated current of 100 Amps. It includes second encoder input for spindle feedback or additional motor feedback and supports both digital position command values and analog speed command values.
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Product Description:
The KDA 3.2-100-3-APD-W1 is a spindle drive produced by Bosch Rexroth Indramat for the KDA Spindle Drives series. Within a machining center or grinding cell, it supplies regulated power to a motorized spindle, allowing precise speed control and fast torque response during cutting, drilling, or finishing cycles. The unit fits into a multi-axis automation rack, where its dedicated power stage and feedback channels work with the machine control system to support accurate spindle operation during changing process demands.
The drive is energized from a DC bus rated at 300 VDC, and its power module can deliver a continuous output of 100 A to the attached spindle motor. A separate heat sink blower runs from an auxiliary source of 220 V 50/60 Hz, moving air directly across the fins to remove switching losses. This cooling device is factory-mounted on the rear panel and uses a mounted heat sink blower for forced-air cooling. Reliable operation is permitted at ambient temperatures from 5 to 45 °C, and installation is permitted up to 1000 m above sea level. Above that altitude, reduced air density lowers cooling performance and current derating is required.
Speed references reach the controller as an analog command, enabling straightforward connection to a PLC with a ±10 V spindle channel. For coordinated contouring, the front panel also accepts a digital position command value, giving the supervisory CNC direct word-based control of angular displacement. A second encoder socket marked X7 is assigned for spindle feedback or additional motor feedback, so the machine can monitor actual spindle speed while also tracking tool position or a tandem axis. The unit is Series 3 and Version 2, and these interface options support closed-loop spindle control without requiring extra interface modules.
Frequently Asked Questions about KDA 3.2-100-3-APD-W1:
Q: What is the rated current for the KDA 3.2-100-3-APD-W1 spindle drive?
A: The KDA 3.2-100-3-APD-W1 spindle drive operates with a rated current of 100 A.
Q: How is the KDA 3.2-100-3-APD-W1 spindle drive cooled?
A: This spindle drive features forced cooling with a mounted heatsink blower for regulating temperature during operation.
Q: What power supply is required for the heatsink blower on the KDA 3.2-100-3-APD-W1?
A: The drive accepts an AC source for the heatsink blower rated at 220V, 50-60Hz.
Q: Does the KDA 3.2-100-3-APD-W1 have provisions for a second encoder input?
A: The KDA 3.2-100-3-APD-W1 supports a second encoder input for spindle or additional motor feedback.
Q: What is the maximum installation elevation for the KDA 3.2-100-3-APD-W1 spindle drive?
A: This model can be installed at elevations up to 1000 meters above sea level.
