The A02B‑0327‑B500 Series 31i‑B system unit is part of Fanuc’s 31i‑B‑series CNC platform, engineered for complex machining centers, multi‑axis milling machines, and high‑end turning systems. It supports 5‑axis simultaneous control and high‑speed, high‑accuracy interpolation, making it ideal for mold and die machining, aerospace components, and precision production where intricate tool paths and tight tolerances are required.
This Fanuc 31i‑B CNC system unit features a 10.4‑inch color HMI and an intuitive iHMI‑style interface with touch‑enabled or key‑based operation, depending on the configuration. It runs Fanuc‑proprietary CNC and PMC software, enabling advanced programming, canned cycles, tool‑path smoothing, and seamless integration with Fanuc servo drives, spindles, and I/O modules. The unit also supports Ethernet, RS232, and USB for program transfer, data backup, and remote diagnostics.
Physically, the Series 31i‑B CNC system unit is built as a panel‑mountable industrial controller with a compact footprint suitable for modern CNC cabinets. It is manufactured in Japan and often supplied as a high‑quality tested or refurbished unit with a 12‑month warranty for new and 3‑month for used. With proven reliability and full compatibility with the Fanuc 31i‑B ecosystem, this Fanuc CNC system unit is a strong choice for CNC machine upgrades, retrofits, and OEM automation projects involving 5‑axis machines, turning centers, and industrial robotics.
Key Specifications