requirements for a digital twin manufacturing framework · 2018. 4. 10. · requirements for a...
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Requirements for a digital twin manufacturing framework
Dr. Martin HardwickProfessor of Computer Science, RPI
President STEP Tools, Inc.Convener ISO TC184/SC4 WG15 Digital Manufacturing
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Digital Twin machining at IMTS 2018
Machine ToolA Machine
ToolCMachine
ToolD Machine
ToolBCoordinate
Measurement Machine
1
4
2
3
5
Plan process
Send workpiece through factory
Receive finished part
”Factory floor plan” at machine tool showDigital Twin MachiningHUB
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Traditional CNC and CMM Data Flow
CAD Part Definition
CAM Process Definition
Drawing, including
GD&T
CL-File Post-Processor
CNC
CMMInspection
ReportQIFCMM Programming
Report after three days
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Digital Thread Data Flow
CAD Part Definition
(Including GD&T)
CAM Process Definition CNC or CMM
Digital Twinning System
Metrology Report
ISO 23247 MTConnect
QIF
STEP-NC <1KHz>0.001Hz
Share MeasurementsFace geometry
Feature dimensionTolerance conformanceClosed loop correction
Share ModelsCurrent workpiece
Current projectCurrent machine
Current operation
Level 1 - Enterprise Level 2 – Closed Loop Level 3 – Adaptive
ISO 23247
Immediate reports
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Digital Twin machining
• Real time twinning from MTConnect
• 1Hz trace the planning data
• 10Hz+ model the machining data
• Phone and large screen TV display
• STEP in Node.js• View in Three.js• UI in React.js
“Mind the Gap”14-02-02
http://fishhead.steptools.com:8080/
https://youtu.be/n_syXtpyxgM
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Digital Twin measurement
• Green good• Red bad• Yellow good
and bad
Tablet,Phone orLarge Screen TV
“O3” 14-06-05
STEP ModelMTConnect QIF
Touch Probe
Feature or face requiring corrections
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Digital Twin manufacturing frameworkSTEP Data
MTConnect Adapter Data
QIF Data
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Five axis example part
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Results• 3-axis Boxy – July 2017
• Hyundai WIA XF6300 Siemens 840D – Aluminum – Renishaw Probing• 130Hz MTConnect, 100Hz Simulation, QIF results• Part coordinate simulation
• 5-axis Fishhead – February 2017• Northwood Fanuc 31i – Foam• 10Hz MTConnect, 10Hz Simulation• Machine coordinate simulation
• 5-axis Fishhead – March 2017• DMU Siemens 840D – Aluminum – Renishaw Probing• 230Hz MTConnect, 50Hz Simulation, QIF results• Machine coordinate simulation
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Participants• Participants / Supporters/ Invitees (* = not confirmed)
• Organizations• ISO TC184/SC4/WG15• OMAC• NIST• AMT/MTConnect• DMSC/QIF
• Technology Providers• STEP-Tools, Inc.• Dassault *• Autodesk *
• Cutters/Holders• Sandvik Cormorant
• Machine Tool Suppliers• DMG Mori • Hyundai• Makino• Okuma *
• Metrology• Mitutoyo • Renishaw
• End Users• Boeing• Airbus
Participate by adding value to MTConnect, QIF or STEPin the framework
CATIA
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CAD/CAM system
CNC
CMM
Digital Twinning System
Digital Twinning
Logic
MetrologyReport
MetrologyReport
STEP fileincluding
CAD/CAM/CMMdata MTConnect
Motion stream
System configurations
On machineOn ServerOn CAx systems
QIF
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Requirements• Large screen TV with HDMI connection to• High speed desktop e.g https://www.cyberpowerpc.com/system/VR-Ready-
Deal-Radeon-RX-580 (this is the base - add options for cooling and 5G+ speed)• Basic connection to network
• Enable real time, but perhaps sporadic, display at the digital twin hub• Enable reliable previously recorded display at the digital twin hub
• On machine probe with Inspection Plus or similar• Interfaces in CAD and CAM
• STEP for design requirements (hardest)• QIF for quality results (easier)• MTConnect for machine monitoring (easiest)
STEP ModelMTConnect QIF
Touch Probe
Feature or face for enhancement
CAx