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# Sheet Metal
Sheet Metal components are widely adopted across industries (e.g., computer chassis, electrical enclosures) due to their light weight, high strength, and mass-production suitability. CrownCAD's Sheet Metal Module delivers end-to-end design capabilities covering:
Base creation
Bending operations
Forming features
- Creating Base Features:
"Base Flange": Sketch profile → Generate parametric sheet metal
"Convert to Sheet Metal": Transform existing solids into manufacturable sheet metal parts
- Bending Operations, Industry-standard tools with bend parameter control:
"Edge Flange": Create flanges along selected edges
"Sketched Bend": Define custom bend lines via sketches
"Hem": Form folded edge reinforcements
"Miter Flange": Generate angled corner connections
K-Factor / Bend Allowance
Bend deduction tables
- Forming Features:
"Punch": Create louvres, ribs, extruded holes
"Forming Tool": Apply standard dies (e.g., embosses, dimples)
- Flat Pattern Management
"Unfold": Flatten selected bends (full/partial)
"Refold": Restore 3D state from flat pattern
Reference plane selection determines unfolding axis