Q: What is the trend of OEE over time, say last 10 years?
A: I have no hard evidence, but my impression is that the majority remains in the same old pattern. In some environments I see sometimes quite impressive improvements since TPM and Lean become more widely spread. To me it is clear: where TPM is seriously being implemented, OEE increases also seriously…!
On the other hand the real low performers seem to disappear slowly; this might be a ‘natural selection’ or due to the awareness of productivity in general.
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