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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New interesting concepts from ISO TC 213
ACMC Annual General Meeting
June 14. – 15. 2001
Ottawa, Canada
Johan Dovmark, Novo-Nordisk - Medical Systems
ISO/TC 213
Dimensional and geometrical product specifications and
verification
14. June 1996
Joint Harmonization Group March 1993
ISO/TC 3 (D)
ISO/TC 10/SC 5
(USSR)
(USA)
ISO/TC 57
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.
ISO/TC 213 - Structure
ISO/TC 213
SecretariatAG 1
SLOW
AG 2FAST
AG 9 AG 11
WG1
WG2
WG3
WG4
WG6
WG7
WG9
WG10
WG12
WG14
ISO/TC 213 - WG4
ISO/TC 213
SecretariatAG 1
SLOW
AG 2FAST
AG 9 AG 11
WG1
WG2
WG3
WG4
WG6
WG7
WG9
WG10
WG12
WG14
UE UT
Uncertainty of Measurement anddecision rules
ISO 14253 part 1-414407
PUMA
Measuring TaskTarget
uncertainty
UT
Principle of measurement
Measurement method
Measurement procedure
Measurement conditions
Assumptions knoledge
etc.
Uncertainty modelling
Uncertainty components UEN = k x u UEN UT
Change of
UEN possible
Change principle of
measurement
Change conditions and/or procedure and/or methode
Change assumptions and/or
modelling and/or improve knowledge
Change measuring task or target uncertainty
Change of
UEN possible
Change of
UEN possible
Change of
UEN possible
Adequate measurement
prcedure
No adequate measurement
procedure possible
Uncertainty Budget
Y
Y
Y
Y
Y
N
N
N
N
N
Types of Uncertainty
Correlation-uncertainty
Specification-uncertainty Measurement-uncertainty
Vagifem
Types of Uncertainty
Correlation-uncertainty
Specification-uncertainty Measurement-uncertainty
Functional needs
FFFF
F = 5 F = 5 -- 20 N20 N
GPSGeometrical Product Specification
D
0,01
Correlation
02468
101214161820
8,01
8,02
8,03
8,04
8,05
8,06
8,07
8,08
8,09 8,
1
Diameter, D [mm]
Fo
rce,
F [
N]
FFDD FFFFDD
Types of Uncertainty
Correlation-uncertainty
Specification-uncertainty Measurement-uncertainty
RundhedsdiagramRundhedsdiagram
Specification uncertainty
D
?
LSL USLSpecification-uncertainty
Types of Uncertainty
Correlation-uncertaintyCorrelation-uncertainty
Specification-uncertaintySpecification-uncertainty Measurement-uncertainty
RundhedsdiagramRundhedsdiagram
Measurement Uncertainty
LSL USLD
Types of Uncertainty
Correlation-uncertainty
Specification-uncertainty Measurement-uncertainty
U Compliance
Verification
Specification Measurement
ISO/TC 213 - WG6
ISO/TC 213
SecretariatAG 1
SLOW
AG 2FAST
AG 9 AG 11
WG1
WG2
WG3
WG4
WG6
WG7
WG9
WG10
WG12
WG14
GeneralRequirements forGPS-measuringequipment
ISO 1497846319389121 & 94931322513385
ISO 14978General
Consepts &Requirements
ISO 14978General
Consepts &Requirements
ISO/TC 213
SecretariatAG 1
SLOW
AG 2FAST
AG 9 AG 11
WG1
WG2
WG3
WG4
WG6
WG7
WG9
WG10
WG12
WG14
ISO/TC 213 - WG12
Size
ISO 286 - 118292768-1144051440616570
RundhedsdiagramRundhedsdiagram
ISO/TC 213 - WG14
ISO/TC 213
SecretariatAG 1
SLOW
AG 2FAST
AG 9 AG 11
WG1
WG2
WG3
WG4
WG6
WG7
WG9
WG10
WG12
WG14
ISO 17450 - 117450 - 2
Vertical GPSprinciples
Reminder - Structure - Example - ConclusionPoints of view (Part 1)
Part of Part of
Set of operations on
Perfect shape
Part ofPart of
Set of operations on
Filtration of
Material
Respecting constraints with respect to
Representing
Part of Part of
Imaginationof the interface
Filtration of
Part of Part of
Part of
Set of operations on
Filtration of
Filtration of
Measurement
Respecting constraints with respect to
Material
Representing
Nominal Specification Verification
WG14 - Vertical GPS principles
Skin model Real surface
Operators
Feature operations
- Partition- Extraction- Filtration- Association- Collection- Construction
Characteristic operations
- Evaluation
Ideal and/or non-idealfeatures
- Physical partition- Physical extraction- Filtration- Association- Collection- Construction
Comparison for conformance
SPE
CIF
ICA
TIO
N O
PE
RA
TO
R
VE
RIF
ICA
TIO
N O
PE
RA
TO
R
Ideal and/or non-idealfeatures
Characteristic,nominal value, limits
Feature operations
Characteristic operations
- Evaluation
Characteristic, nominalvalue, limits, uncertainty
ISO 17450
Specification:
Operations - DATUM
Partition:
Association:
Operations – TOLERANCED FEATUR
Partition: Association:
Construction: Partition:
Association: Collection:
Operations
Comparison
ResultSpecification
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
GPS
ID/code
Definition of
Tolerance, t
Definition of
Feature-characteristic
Assesment of
Deviations – comparison with t
Requirements
Measuring equipment
Requirements
Calibration & Standards
The New GPS matrix
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
RundhedsdiagramRundhedsdiagram
LSL USLSpecification-uncertainty
Default?
ISO/TC 213 - Main Goals
1. To reduce the Correlation Uncertaintya) Develop the necessary functional related tool
2. To reduce the Specification Uncertaintya) Defining operators
b) Develop clear and unambiguous rules
c) Stating default rules
3. To enrich the improved GPS-Languagea) Strive to keep it as simple as possible
Important Standards: published & drafts
Repair work 1101 GD&T 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
WWW.ds.dk/isotc213
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