Digital Twin Manufacturing Use Cases Dr Martin Hardwick








- Slides: 8
Digital Twin Manufacturing Use Cases Dr. Martin Hardwick Convener ISO Digital Manufacturing
Introduction • Who we are • TC 184 - Technical committee for Industrial Automation • SC 4 – Subcommittee for Industrial Data • WG 15 – Working group for Digital Manufacturing • The standards we are developing / assisting • STEP-NC integrated model for machine control – ISO 10303 -238 • QIF Quality Information Framework – ISO 23952 • Digital Twin framework for manufacturing - ISO 23247 Every CAD system has a STEP interface More than one million parts were made using STEP-NC last year STEP-NC is the MCD format for future airplanes. MH_2019. ppt | 2
Digital Twin framework for manufacturing – ISO 23247 RDF/BFO ISO 23247 layered on the Io. T architecture ISO 30141 STEP-NC CD ballot passed on September 4 MTConnect RDF, STEP and MTConnect are example technologies for each level . MH_2019. ppt | 3
Use case 1 – tool life maximization Tool Expert Change tool diameter Compute tool engagement Make linked data OMAC ANSI Machining Context Macros MTConnect Agent STEP Filter STEP-NC Modeler Stream machining results Filter Results Model of current Product and process Gcode operations Optimize Feeds and Speeds BFO/IOF ISO STEP 2 RDF Access as RDF resources in TLO RDF Analyze as linked data . Observable elements Data collection and control Digital Twin entity Digital Twin User MH_2019. ppt | 4
Use case 2 – on machine measurement https: //www. mmsonline. com/articles/ machining-demonstration-shows-thedigital-twin-concept-in-action CNC+ Probe MTConnect STEP-NC or QIF Modeler QIF Feature or tolerance for enhancement Feature Expert Understand corrections. MH_2019. ppt | 5
Use case 3 – dynamic scheduling of robot drill and fill • Multi-robot STEP-NC program • Digital robot models from CAD systems include kinematics for all components • Digital robot teams synchronized with physical robots enabling dynamic scheduling App STEP-NC MTConnect ISO 23247 Digital Robots Physical Robots. MH_2019. ppt | 6
Technology matrix Measure Cutter life Drill & Fill Cutter Pre-set Inlet duct metrology 23247 terms MTC ? ASCII MTC/QIF DCDCE Digital Twin QIF/238 242/238 13399 QIF DTE Digital User UI ? App AAS Q/A UE Digital Exhaust • Measurement use case • Digital Exhaust for measured value • Digital Twin to interpret meaning • Digital User for feature correction • Cutter life use case • Digital Exhaust for current cutter location • Digital Twin for cutter engagement • Digital User for tool life optimization • Drill and Fill use case • Digital Exhaust for start and end of operation • Digital Twin for robot kinematics • Digital User for schedule optimization RDF Digital User STEP-NC Digital Twin MTConnect Digital Exhaust ISO 23247 . MH_2019. ppt | 7
ISO 21838 -2: BFO and IOF (Industrial Ontologies Foundry) ISO 15926 has a 4 D TLO that includes time STEP uses PLCS for something similar Top Level integration. MH_2019. ppt | 8