equipment utilization

Six Sigma – iSixSigma Forums Old Forums Europe equipment utilization

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    I am being asked to figure out our capacity across shared equipment to enable knowing our current utilization across machines and how much new work we can take on.  We have limited data input.  Our cycle time is based on an estimate of time to complete.  It is not a pure cycle time, it includes moves, loads, etc.  We can’t predict much better than days or weeks expected to be running, as most of our product is one of a kind. 
    Is there a high level simple way to calculate with minimal known inputs? 


    Johnny Guilherme

    How about a sample per piece of equipment and then across the equipment types. You would have to identify the variables that make up your cycle time i.e. moves, loads etc and then place these on a “operations chart” in which you break down into 5 or 10 minute intervals. Then you will have to watch the equipment and mark down on your chart over say an 8 hour shift to see what takes up your time.
    I once had to do this kind of observation on a warehouse activity and it did yield some results. The key might be to decided how many days/hours you would need to observe to get a good representation of what is happening with your equipment.
    Or maybe a camera with time lapse facilities so that you can do a time study by observing the work. One uses cameras on change over to do time and motion study and these studies are quiet effective.
    Hope that helps
    Johnny Guilherme (BB)

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