KDA 3.3-100-3-API-W1

The KDA 3.3-100-3-API-W1 main spindle drive from Bosch Rexroth Indramat in the KDA Spindle Drives series combines robust construction with high dynamic performance. It features high stiffness, precise positioning capabilities, and an extensive speed range designed for demanding spindle applications. Continuous power delivery ensures stable operation under variable loads, while forced cooling by a heatsink blower maintains consistent thermal management. This drive excels in machining centers, grinding machines, and high-speed tooling where precision and reliability are paramount.

Engineered for integration into advanced motion systems, the unit accepts a DC Bus Voltage of 300 V and supplies a Rated Current of 100 A to deliver consistent torque across the speed range. The AC Supply Source for Heatsink Blower is 220 VAC, powering the forced cooling system that prevents thermal drift during extended cycles. An Aux. Encoder Input provides feedback for spindle or secondary motor synchronization, while the Aux. Interface offers an Incremental Encoder Output for closed-loop control. Designers can command speed via an Analog +/- 10V Speed Command Value, leveraging the drive’s fast response and low inertia. The compact Design (type 3) and standardized Product architecture simplify cabinet layout and spare-parts management.

By combining high-performance cooling, precise feedback interfaces, and proven Bosch Rexroth Indramat reliability, the KDA 3.3-100-3-API-W1 integrates seamlessly into multi-axis CNC installations and automation cells. Its rugged construction and precise control algorithms minimize downtime and enhance throughput in milling, turning, and grinding operations. Maintenance is streamlined through front-accessible blower modules and plug-and-play encoder connections, ensuring long-term operational stability.