SM-012

Pack: C_SHEET Severity: major

Hem design: check minimum inside diameter and return length vs thickness

Rule Card

Field	Value
Pack	C_SHEET — Sheet Metal DFM
Title	Hem design: check minimum inside diameter and return length vs thickness
Severity	major
Check logic	Deterministic
Applies to	CAD sheet metal
Inputs required	geometry_features
Fix template	Revise sheet-metal geometry or bend strategy to match fabrication limits.

Short Description

Hem design: check minimum inside diameter and return length vs thickness

When It Applies

This rule runs when the selected or auto-classified manufacturing route activates C_SHEET. It targets CAD sheet metal.

Evidence Profile

Input	Category
geometry_features	Geometry

References

Reference	Type	Title
REF-SM-1	guide	Protolabs sheet metal design guidelines

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