{"L1_core": {"domain": "manufacturing", "category": "machining", "entity_type": "process"}, "L2_process": {"types": {"milling": {"axes": [3, 5], "description": "Rotary cutting tool"}, "turning": {"description": "Workpiece rotation"}, "drilling": {"description": "Hole making operations"}, "grinding": {"description": "Abrasive finishing"}}, "standards": ["ISO 2768", "ISO 1101", "ASME Y14.5"], "parameters": {"tolerance_mm": [0.001, 0.1], "feed_rate_mm_min": [1, 10000], "spindle_speed_rpm": [100, 40000], "surface_finish_Ra_um": [0.1, 12.5]}}, "L5_metadata": {"updated": "2026-01-04", "version": "2.0"}, "L3_relations": {"applies_to": ["metals", "plastics", "composites", "wood"], "related_processes": ["turning", "grinding", "EDM"]}}