SPC-Chapt er 5
By Eric Martin,2014-04-01 10:02
Suppose we are manufacturing pen caps. We make about 6,000 per hour. There are many
dimensions we must control. We have to control the length of the cap, the inner diameter or the
hole, tapering, thickness, flash, no-fill, and so on.
It is impossible for us to check every characteristic of all 6,000 parts per hour. We could try to
measure just the inner diameter..