Tolerance stacks: over-specified in three places, loose in one
Tolerance budgets are inherited, not derived. The result is a stack that tightens features which do not drive the critical dimension, while the one that does runs open.
10 min
Tolerance and metrology
How tolerance is allocated, measured and argued about: what actually binds an assembly, what the gauge is telling you, and which specified numbers are inherited rather than derived.
Which of our tolerances are actually doing work?
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