{"L1_core": {"domain": "sheet_metal", "category": "bending", "entity_type": "process"}, "L2_process": {"types": {"coining": {"description": "High precision bending"}, "bottoming": {"description": "Full contact with die"}, "air_bending": {"description": "Partial penetration bending"}}, "standards": ["DIN 6935", "ISO 2768"], "parameters": {"tonnage_kN": [10, 4000], "bend_angle_deg": [0, 180], "bend_radius_mm": [0.5, 50], "sheet_thickness_mm": [0.5, 20]}}, "L5_metadata": {"updated": "2026-01-04", "version": "2.0"}, "L3_relations": {"applies_to": ["sheet_metal", "aluminum", "steel", "stainless_steel"], "related_processes": ["punching", "laser_cutting", "forming"]}}