# FANUC 31i-WB

Controllers · `31i-WB` · verification: source checked

The FANUC 31i-WB is a CNC control used in FANUC ROBOCUT machines. It supports up to four simultaneously controlled axes and monitors them for collision protection. It includes power save and energy recovery functions.

## Specification

| Property | Value |
|---|---|
| Kind | cnc control |
| Series | Series 31i-WB |
| Max axes | 4 |

## Connected

- Manufacturer: [FANUC](https://machineschema.com/manufacturer/fanuc.md)
- Used with: [FANUC ROBOCUT α-C400iC Wire EDM](https://machineschema.com/hardware/fanuc-robocut-a-c400ic.md), [FANUC ROBOCUT α-C600iC](https://machineschema.com/hardware/fanuc-robocut-a-c600ic.md)

## Safety

- The control monitors axes continuously to provide protection against collisions.

## Study notes

- The 31i-WB is the CNC control used in FANUC ROBOCUT machines.
- The control supports up to four simultaneously controlled axes.
- The control monitors the controlled axes continuously for collision protection.
- The control includes a power save mode and energy recovery features.

## Sources

1. [Series 31i-WB](https://www.fanucamerica.com/products/controller-series/series-31i-wb) (accessed 2026-10-25)

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JSON: https://machineschema.com/controller/fanuc-series-31i-wb.json  
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite Machine Schema and the original sources.