KDA 3.2-150-3-APS-U1

The Bosch Rexroth Indramat KDA 3.2-150-3-APS-U1 from the KDA Spindle Drives series is engineered for demanding spindle applications, combining a Rated Current of 150 A with a DC Bus Voltage of 300 V to deliver continuous power across an extensive speed range. This drive integrates high stiffness and advanced positioning features to ensure precise motion control, making it an ideal choice for high-speed milling, drilling, and grinding processes. Its robust design maintains performance under heavy inertial loads, while the analog Speed Command Value of Analog +/- 10V interface provides seamless compatibility with legacy and modern CNC systems. Compact yet powerful, the KDA 3.2-150-3-APS-U1 balances dynamic response with stable torque delivery throughout its operating envelope.

The KDA Main Spindle Drive includes a comprehensive set of technical interfaces to facilitate streamlined integration and reliable operation. The AC Supply Source for Heatsink Blower of 115 VAC supports a dedicated forced-cooling system, ensuring optimal thermal management even under peak loads. Feedback versatility is provided by the Aux. Encoder Input with for Spindle or Second Motor Feedback, while the Aux. Interface Serial Interface RS 232 C enables straightforward communication for diagnostics, tuning, and firmware updates. Classified as Design 2 in the Product KDA family and designated as Series 3, the drive maintains a consistent mechanical footprint across multi-axis installations. By leveraging Forced Cooling by Heatsink Blower, the unit achieves efficient heat dissipation without relying on complex liquid circuits, reducing maintenance downtime.

Built to withstand rigorous industrial environments, the KDA 3.2-150-3-APS-U1 offers dependable performance for aerospace, automotive, and precision toolmaking sectors. Its fail-safe cooling arrangement and integrated monitoring capabilities provide peace of mind during extended duty cycles. When paired with Bosch Rexroth’s ecosystem of controls and servo motors, this spindle drive forms the backbone of high-precision machining centers, delivering the accuracy and repeatability required by modern manufacturing.