CNC-023

Pack: B_CNC Severity: major

Threaded holes too close to edge → breakout risk

Rule Card

Field	Value
Pack	B_CNC — CNC Machining DFM
Title	Threaded holes too close to edge → breakout risk
Severity	major
Check logic	Hybrid
Applies to	CAD part, CAD hole feature, CAD thread feature
Inputs required	thread_callouts
Fix template	Adjust geometry/process for machine capability and setup risk.

Short Description

Threaded holes too close to edge → breakout risk; suggest move/add boss

When It Applies

This rule runs when the selected or auto-classified manufacturing route activates B_CNC. It targets CAD part, CAD hole feature, CAD thread feature.

Evidence Profile

Input	Category
thread_callouts	Drawing / Spec

References

Reference	Type	Title
REF-CNC-1	guide	Hubs CNC machining design guide

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