So the furnace operators put in the parts, from a dozen or less to a couple of
hundred, then they fire up the thing and cook the parts in there for a long time
—anywhere from six hours to sixteen hours. And afterwards, the parts always
have to go through a further cool-down to air temperature outside the furnace.
We lose a lot of time on this process.
"What’s the problem here—we need bigger furnaces?’’ I ask.
Bob says, "Well... yes and no. Most of the time these furnaces are running
half empty.’’
"How come?’’
"It’s the expeditors who seem to cause the problem,’’ he says. "They’re
always running over here and having us run five of this part or a dozen of that
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