ALPMA-005

Pack: F_OVERLAY Severity: major

Locating fits for dowel/kinematic interfaces are declared (ISO 286 H7/m6 intent)

Rule Card

Field	Value
Pack	F_OVERLAY — Industry Overlay and Compliance
Title	Locating fits for dowel/kinematic interfaces are declared (ISO 286 H7/m6 intent)
Severity	major
Check logic	Hybrid
Applies to	Compliance overlay
Inputs required	datum_scheme, drawing_notes
Fix template	Add fit callouts for mating locator features and inspection strategy.

Short Description

Precision locating interfaces should include fit-system declaration to avoid assembly drift in pilot builds.

When It Applies

This rule runs only when an overlay activates F_OVERLAY. It targets Compliance overlay.

Evidence Profile

Input	Category
datum_scheme	Drawing / Spec
drawing_notes	Drawing / Spec

References

Reference	Type	Title
REF-FIT-286	standard	ISO 286 (series) — ISO code system for tolerances on linear sizes (limits & fits; used for H7/m6-style fit designations)

Sources

• D:\02_Code\36_RapidDraft_DFMBenchmark_ExpertMode\server\dfm\manifest.json
• D:\02_Code\36_RapidDraft_DFMBenchmark_ExpertMode\server\dfm\rule_library.json
• D:\02_Code\36_RapidDraft_DFMBenchmark_ExpertMode\server\dfm\references.json
• D:\02_Code\36_RapidDraft_DFMBenchmark_ExpertMode\server\dfm\process_classifier.json
• D:\02_Code\36_RapidDraft_DFMBenchmark_ExpertMode\server\dfm\overlays.json
• D:\02_Code\36_RapidDraft_DFMBenchmark_ExpertMode\server\dfm\roles.json
• D:\02_Code\36_RapidDraft_DFMBenchmark_ExpertMode\server\dfm\report_templates.json
• D:\02_Code\36_RapidDraft_DFMBenchmark_ExpertMode\server\dfm\ui_bindings.json