Repeatability is the ability to get identical results from a process. When processes are not repeatable, the problem falls into two basic categories.
1. Variation in inputs causes poor repeatability.
2. A poor process cause low repeatability.
Repeatability is the opposite of output variation. It may occur when one person cannot repeat the results of another, or it may happen when a person exhibits no repeatability within his or her own results.
In Lean, the primary method of improving repeatability is through standardization. On the shop floor, this is achieved with Standard Work.
Repeatability is one of the ‘R’s in ‘Gage R&R’.
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