Tolerance conversation battlecards
Respond to common tolerance review objections by tying tolerance to failure mode, cost, and inspection.
Supplier cost This tolerance is going to make the part expensive. A supplier challenges a tight callout. Your line Let's separate the function-critical dimensions from the general ones. The tight callout should stay only where it prevents a named fit or alignment failure. Defending all tight tolerances as quality instead of tying each to function. It invites cost reduction without abandoning critical risk control. Everything critical Every dimension is critical because the model is exact. A reviewer wants blanket tight tolerances. The model is exact, but manufacturing control should focus on the dimensions that affect fit, motion, sealing, alignment, safety,…
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