Atlas Copco K258935 Spindle CPU Processor Board

Atlas Copco K258935 CSS-91 Spindle CPU/Processor Board is the spindle control module used in Atlas Copco spindle assemblies, providing on-board CPU processing for spindle operation. It is cataloged under the alternate part number CSS-91 and references 43.11.03.3 with a revision code FJ, aligning with Atlas Copco CH equipment documentation. Available through refurbish-oriented distributors, listings consistently present it as K258935 or CSS-91 variants, underscoring its role within Atlas Copco spindle systems. Designed to enable precise control and synchronization in spindle tooling setups, this processor board supports reliable spindle performance in demanding manufacturing environments.