Quality Planning

What is measured, against what, with what — fixed before the goods arrive.

13 steps · 9 questions · 4 screens on this shelf

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The screens on this shelf

• Inspection Plans An inspection with no plan is one person’s opinion of what mattered that day. A plan fixes the characteristics
• Characteristics What is measured, against what, with what. A gauge whose resolution is a tenth of the tolerance cannot police
• Control Charts Limits computed FROM THE PROCESS, never from the specification — a process comfortably inside a wide tolerance
• Subgroups Every subgroup with its readings, its mean and range, and which control rules it broke. A point that breaks a

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