Say No to "Quick Changeover"…
You might be surprised to see that phrase. Say “no” to quick changeover?? That's a core method in the Toyota Production System, right? Well, a method called “SMED” or “Single Minute Exchange of Dies” is. Why the distinction in terminology?
I recently was contacted by John Henry, who has the changeover.com website. He says this:
At Changeover.com, we don't believe in “quick” changeover. Too often, this simply means trying to do the same thing quicker by making associates work harder and faster. This doesn't lead to any lasting gains and may cause more problems than it solves.
We believe in lean changeover.
Lean changeover is changeover from which all wasted effort, motion, tasks and, most importantly, time, have been removed.
Great point, SMED isn't about rushing through your work or doing it the “same way, but faster.”
Henry advocates what he calls “ESEE”:
We believe that changeover should be ESEE:
Eliminate all non-value added tasks
Simplify all tasks that cannot be eliminated
Externalize changeover as much as possible
Exactly! Make all changeover settings precise and repeatable
There is a presentation (PDF format) that talks about SMED and racing pit crews, take a look.
Henry also pointed out that the old Henry Ford book, “My Life and Work” is available for free download on the internet. Nice free resource there.
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