Large amounts of spare parts made? Manufacturing process? Design differences?
In: Technology
W. Edward Deming, an american, helped their success immensely.
Variation is the nemesis of quality. Via utilization of SPC (statistical process control) they monitored key points for variation using various data gathering methods such as x bar and r charts, and if parts started getting out of spec. they could make corrections immediately rather than discover the problem after 50 parts slipped out. That is why they are better quality cars, because they monitor variation in the parts they make, very closely.
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