The Mining function of a large mine was not achieving ore targets.
On a Process Behaviour Chart, to understand if the problem was systemic. The way the problem manifests (systemically or not) determines the most efficient and effective improvement approach to adopt.
So we knew the required process 'rhythm' to meet target.
To find opportunities to improve process control and rhythm.
To raise everyone's performance to a higher level.
Cycle time variability reduced by 50%, generating over $10,000,000 per year in increased production!