New interesting concepts from ISO TC 213

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New interesting concepts from ISO TC 213

• ACMC Annual General Meeting
• June 14. 15. 2001
• Ottawa, Canada
• Johan Dovmark, Novo-Nordisk - Medical Systems

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ISO/TC 213Dimensional and geometrical product
specifications and verification

• 14. June 1996

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Joint Harmonization Group March 1993
(D)

• ISO/TC 3

?????
ISO/TC 10/SC 5
(USA)
(USSR)
ISO/TC 57
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ISO TC 213 - SCOPE

• Standardization in the field of geometrical
  product specifications (GPS) i.e. macro- and
  microgeometry specifications covering dimensional
  and geometrical tolerancing, surface properties
  and the related verification principles,
  measuring equipment and calibration requirements
  including the uncertainty of dimensional and
  geometrical measurements. The standardization
  includes the basic layout and explanation of
  drawing indications (symbols).
• Note
• The definition of the specific proportions and
  dimensions of drawing indications (symbols) and
  their execution are excluded from the scope.

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ISO/TC 213 - Structure
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ISO/TC 213 - WG4
ISO 14253 part 1-4 14407
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PUMA
Measurement method
Uncertainty Budget
UEN ? UT
Adequate measurement prcedure
Measuring Task Target uncertainty UT
Principle of measurement
Measurement procedure
Assumptions knoledge etc.
Uncertainty modelling
Uncertainty components
UEN k x u
Y
N
Measurement conditions
Change of UEN possible
Change assumptions and/or modelling and/or
improve knowledge
Y
N
Change of UEN possible
Change conditions and/or procedure and/or methode
Y
N
Change of UEN possible
Change principle of measurement
Y
N
Change of UEN possible
Change measuring task or target uncertainty
No adequate measurement procedure possible
Y
N
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Types of Uncertainty

• Correlation-uncertainty
• Specification-uncertainty
• Measurement-uncertainty

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Vagifem
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Types of Uncertainty

• Correlation-uncertainty
• Specification-uncertainty
• Measurement-uncertainty

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Functional needs
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GPSGeometrical Product Specification
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Correlation
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Types of Uncertainty

• Correlation-uncertainty
• Specification-uncertainty
• Measurement-uncertainty

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Specification uncertainty
?
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Types of Uncertainty

• Correlation-uncertainty
• Specification-uncertainty
• Measurement-uncertainty

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Measurement Uncertainty
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Types of Uncertainty

• Correlation-uncertainty
• Specification-uncertainty
• Measurement-uncertainty

Specification
Measurement
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ISO/TC 213 - WG6
ISO 14978 463 1938 9121 9493 13225 13385
ISO 14978 General Consepts Requirements
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(No Transcript)
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ISO/TC 213 - WG12
ISO 286 - 1 1829 2768-1 14405 14406 16570
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ISO/TC 213 - WG14
ISO 17450 - 1 17450 - 2
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Reminder - Structure - Example -
ConclusionPoints of view (Part 1)
Nominal
Specification
Verification
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WG14 - Vertical GPS principles
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ISO 17450
Specification
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Operations - DATUM
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Operations TOLERANCED FEATUR
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Operations
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ISO/TC 213 - Goals

• Harmonize terminology
• Make fundamental rules
• Make clear definition computerize-able
• Develop toolboxes for expression of functional
  needs
• Close gaps and Eliminate contradictions

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The New GPS matrix
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ISO/TC 213 - Goals

• Harmonize terminology
• Make fundamental rules
• Make clear definition - computarizeable
• Develop tollboxes for expresion of functional
  needs
• Close gaps and Eleminate contradictions
• Reduce specification unceratainty

Default?
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ISO/TC 213 - Main Goals

• To reduce the Correlation Uncertainty
• Develop the necessary functional related tool
• To reduce the Specification Uncertainty
• Defining operators
• Develop clear and unambiguous rules
• Stating default rules
• To enrich the improved GPS-Language
• Strive to keep it as simple as possible

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Important Standards published drafts

• Repair work
• 1101 GDT
• 2692 MMC
• 5458 Position
• 5459-1 Datum's
• 5459-2 Datum's
• 14405 Diameter
• 8062 Mouldings
• 10135 Mouldings
• 4x2 Form standards
• 11 x surface roughness

• News
• 14660 1 2
• 14253 1 2
• 14253 - 3

• New concepts
• 17450 1 2
• 14407
• 14978

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WWW.ds.dk/isotc213