‘Andon‘ is borrowed from the Japanese term for “lantern,” and these devices are used to visually communicate changes in the production process or a change in quality. When an andon light comes on, its color can signal to workers to tend to the quality or process change.
UTILIZING PLASTIC CUPS FOR ANDON
The process observed utilized the plastic cups on in process WIP carts. This incredibly simple solution created a visual environment where employees could easily identify which WIP process was nearly complete.
The image at right illustrates the concept. Simply restack the cups for a different status color. Place over a corner post and witness the value of a manual andon system.
Industrial stack light
These types of stack lights are usually incorporated into machine design. Often these stack lights change status color based on the automation of a machine system.
A LOW COST ALTERNATIVE