Q: (How) does ‘Planned’ versus ‘Unplanned’ time affects OEE?
Preventive maintenance usually is planned. Corrective Maintenance is usually unplanned. Change-overs may be planned, so are breaks.
Of course we rather see planned waiting times than unplanned ones. Yet to the OEE it does not make a difference! The machine waits, is not effective. For purposes of analyzing- or visualizing the losses it may be interesting to distinguish ‘planned’ and ‘unplanned’ stops, yet planned or unplanned does NOT results in a different OEE, OOE or TEEP
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