Status of QIF Development
June 12, 2012
Hilton Head Island
Dimensional Metrology Standards Consortium (DMSC)
Dimensional Measurement Standards Consortium (DMSC)
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Status of QIF – June 2012
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Agenda
One view of the big picture
Summary of May 2011 meeting
QIF Library
QMResults, QMPlans Data Models and XML
Schema files
Outreach
Documentation
Pilot Projects
Brief introductions of attendees
Dimensional Measurement Standards Consortium (DMSC)
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QIF Design
QIF Requirements
- Activity model
- Text descriptions
- Lists and tables
- Use Case Tables
Scenarios
Functional requirements
Actors (e.g. commercial solutions)
QIF data flow, non-QIF data flow
Specifications and User Documents
Data Model
- elements
- attributes
- relationships
Data Dictionary
- elements, semantics, relationships
XML Schema &
annotations
QMResults
.xsd
QMPlans
.xsd
QMStatistics
.xsd
Dimensional Measurement Standards Consortium (DMSC)
QIF Library
FeatureTypes.xsd
PrimitiveTypes.xsd
CharacteristicTypes.xsd
…….
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QIF Activity Model
Dimensional Measurement Standards Consortium (DMSC)
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Requirements - Use Case Tables
USE CASE NAME
IMPORT MEASUREMENT RESULTS
Actors
CMMs from 3 different vendors
1 SPC package
Description
Pre Condition
CMMs have written results using QMR
Post Condition
Begins When
Scenario (main)
Scenario (sub flow)
Alternative Flows
Remarks
Yields interoperability
Dimensional Measurement Standards Consortium (DMSC)
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Requirements
Specifications and Standards
• ASME/ANSI Y14.5 (1994)
• ASME/ANSI Y14.5 (2009)
• DMIS 5.2
• AS 9102a (a user request!)
Use Case Documents
Scenarios
Dimensional Measurement Standards Consortium (DMSC)
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DMSC Organization
Dimensional Measurement Standards Consortium (DMSC)
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QIF Design Meeting 2011
Attendees (21 attendees)
Name
Company
Tues
Wed
Thur
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Admire, Ray
Baldwin, Jon
Brown, Robert
Cheetham, Andrew
Dugenske, Andrew
Hayes, Eric
Heagy, Rex
Hoffman, Matt
Hoffman, Scott
Horst, John
Karras, Lutz
Kramer, Tom
Maggiano, Larry
Morihara, Rich
Nye, Wayne
Rippey, Bill - chairman, secretary
Lockheed Martin
MetroSage
Mitutoyo America
Renishaw
Georgia Tech
Nikon Metrology
Wilcox
Metrology Integrators
Metrology Integrators
NIST
Carl Zeiss IMT
NIST
Mitutoyo America
Boeing
Pratt & Whitney
NIST
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Sobel, Will
System Insights, MTConnect
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Stone, Bob
Venkatesh, Sid
Warndorf, Paul
Zhao, Fiona
Origin
Boeing
AMT
NIST
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X
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Summary of May 2011 Meeting
(“reading of the minutes”) (10 pages)
• Overall Recommendations/Strategy
– Marketing and Outreach are essential, to management as well as technical audiences
– Support agile development, freely publicly available specifications and XML schema
files. Extensibility is important.
– Design guideline: QIF is data models, not process – don’t constrain system
architecture
– Traceability requirements: this scenario needs more precision.
– Pursue pilot projects for validation, outreach
– Requirement: Provide links to manufacturing processes (traceability)
– Requirement: FAI AS 9102a
– Introduced Use Case Tool and several tables
– Business case is important, technically and for traction
– Priority: QMPlanning, QMResults, QMStatistics, QMExecution, Measurement
Resource Information.
– DMSC should support conformance testing of solutions
Dimensional Measurement Standards Consortium (DMSC)
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Some QIF Strategy Issues
• So far we have had a small working group (but
motivated, energetic, and good looking)
• How can we harness existing resources to
make progress, and make sure QIF thrives?
• How can we increase our resources?
• Will pilot projects accelerate testing, interest,
proliferation? What should their priority be?
Dimensional Measurement Standards Consortium (DMSC)
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Summary of May 2011 Meeting
• QCDirectives
– recommendation: the QCDirectives WG is the liaison
to AP 242 committee and all other CAD and quality
related standards groups.
– concerned with influencing/assessing upstream data
flow
– NIST and PDES "What do metrology system
customers and suppliers need in AP 242 ed 2 for
interoperable Design to Inspection Planning
information?
– recommendation: we should Interact/monitor with
special interest group Tolmod
Dimensional Measurement Standards Consortium (DMSC)
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Summary of May 2011 Meeting
• QMPlans
– Specify what to inspect, not how, but….
– Allow for specifying specific resources in Plans
– Should MResourceI and QMRules be part of
QMP?
– Rules: Lot sampling plan vs. point sampling plan
– Optional ordering of steps
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Summary of May 2011 meeting
• QM Statistics
– Includes QMD space
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Summary of May 2011 Meeting
• QMExecution
– QMExecution language would be a replacement
for DMIS input, not output
– Is XML a good match for format?
– Is human readable important? (“so 80s”)
– Do not start on QME immediately. When QMP
and QMR take off, then that would be the time to
hit QME development hard. Pursuing QME now,
would be costly.
Dimensional Measurement Standards Consortium (DMSC)
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Summary of May 2011 Meeting
• QMResults
– Pursue liaison with MTConnect, including
measurement results, and potential for CMM
utilization (OEE).
– Requirement: traceability to inspection and
manufacturing processes
– Liaison/harmonization with ANSI Y14.45?
Dimensional Measurement Standards Consortium (DMSC)
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Summary of May 2011 Meeting
• Start new QM Resources WG
– possible rename of the specification is QMAssets.
– Will MRI describe CMMs, stylii length, ball
diameters, probe wrists, caliper max length?
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Dimensional Measurement Standards Consortium (DMSC)
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Summary of May 2011 Meeting
• Start new QMRules WG (lower priority)
– are measurement rules defined in the QMPlanning
realm? Have we adequately defined "measurement
rules"?
– Functional requirements: QIF must specify
measurement rules used for e.g., cast surfaces, sheet
metal, machined surfaces, printed wiring boards.
– Scope: e.g., number of sample points, lot sampling
policies
– Specify DME resources in priority order
– Note: there is an ISO standard for measurement rules.
Dimensional Measurement Standards Consortium (DMSC)
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Walk Through of Current Data Models
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QIF Library
QMResults
QMPlans
QMResources
Dimensional Measurement Standards Consortium (DMSC)
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Take it away Tom Kramer!
Dimensional Measurement Standards Consortium (DMSC)
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Status of QIF Documentation
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Conference papers (2)
QIF Usage and Design Guidelines document
Sample data files
Rough draft of AS9102a FAI mapping
guidance for use of QIF (QMResults WG)
• In-schema annotations - a coming attraction
• Data Dictionary – a coming attraction
• Next steps?
Dimensional Measurement Standards Consortium (DMSC)
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Status of Outreach
• Informational marketing and technical credibility
– Pilot Projects and Data Examples
– IMTS 2012 or other trade show Demo
– Audience: Users and Solution vendors
• Standards Liaison
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DMIS harmonization
ANSI Y14.5
MTConnect
International Aerospace Quality Group (IAQG)
Model Based Engineering
• International Aerospace Quality Group (IAQG)
– Digitization of FAI AS 9102a, adaptation to MBE
Dimensional Measurement Standards Consortium (DMSC)
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QIF Pilot Projects
• Lockheed Martin stamped part, inspection by
multiple DMEs
• MTConnect liaison
• IMTS 2012 Demo
Dimensional Measurement Standards Consortium (DMSC)
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QMS Pilot Project (NIST-LMC)
Lockheed
Inspection
Plan in AS
9102 format
(DISCUS)
NIST
QMP.xml
CAD + GD&T
Project Stage 1 Benefits: provides example XML file, validates QMP schema.
Project Stage 1
DMIS
NIST
Software
QMS Pilot Project (NIST-LMC)
Measurement requirements
(CAD + GD&T)
CMM
Program
Continued from
Phase 1
Project Stage 2
CMM A
Results
NIST
Lockheed CMMs
CMM
Program
CMM B
Results
RSI
(DISCUS)
Project Stage 3
QMR.xml
QMR.xml
MTConnect uses standard interfaces for
quality data
QIF data models will be validated
Technology suppliers and users benefit!
→ savings in time, resources, $$
QIF + MTConnect
PC-DMIS
Planner
CAD
model
Planning
product W
Reporting
product Y
MeasurLink
Plan
Results
QMplan
format
QMresults
format
Measuring
product X
Reporting
product Z
Bill,
I think the compelling story must be “interoperability”.
I think the concern has to be that it must look different than two years ago, e.g. more participation. I think
this is much more important than showing connections to other standards. How QIF melds with other
standards can be discussion items during the presentation and/or part of the information on the booth
signs, but doesn’t need to be part of the live demo.
The attached is something that I sent to Bob after Tuesday’s meeting. I feel that the next step, before the
June meeting, is to determine who vendors W, X, Y and Z are. Note this drawing has eight data flow paths
--- interoperability!
Joe
Brief Self Introductions
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Name
Company
Position
Your Goals, mission for this meeting
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End Status of QIF
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