{"L1_core": {"domain": "manufacturing", "category": "process", "identifier": "fln_rebordeado", "subcategory": "metal_forming"}, "L2_process": {"type": "bending", "method": "flanging", "deformation": "plastic", "temperature": "cold", "edge_modification": true}, "L4_quality": {"controls": ["angle_verification", "height_uniformity", "crack_inspection", "radius_measurement"], "tolerances": "medium", "defects_monitored": ["cracking", "wrinkling", "springback"]}, "L5_metadata": {"source": "technical_standards", "confidence": 0.91, "last_updated": "2026-01-04", "industry_codes": ["sheet_metal", "automotive", "hvac"]}, "L3_technical": {"variants": ["straight_flange", "curved_flange", "stretch_flange", "shrink_flange"], "equipment": ["flanging_machine", "press_dies", "forming_rollers"], "parameters": {"min_bend_radius": "1-2x_thickness", "flange_angle_deg": "90", "flange_height_mm": "3-25"}}}