Module 12: Shop Standards and Non-Negotiables
Use one documented set of standards for recurring design decisions. Post these values in the shop and apply them in CAD, fabrication, assembly, and inspection.
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Lesson Roadmap
12.1 · Hole StandardsLesson 12.1: Clearance, Tap Drills, and the 0.15 mm RuleOpen12.2 · Joint StandardsLesson 12.2: Thread Engagement, Fastener Count, and RetentionOpen12.3 · Rotating StandardsLesson 12.3: Standards for Anything That SpinsOpen12.4 · Margin StandardsLesson 12.4: The Design Margins That Survive a TournamentOpenModule 12 · Mastery QuizModule 12 Mastery Quiz: Shop Standards and Non-NegotiablesOpen
What This Unit Covers
Apply the standard hole clearances without re-deriving them, and know why 0.15 mm per side is the floor.
Meet the minimum thread engagement, fastener count, and retention standard on every joint.
Support every rotating assembly to the same standard, whatever the mechanism.
Apply design margins for load, speed, weight, and battery condition before competition.
Review the sequence and goals here, then resume at your first incomplete lesson.
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