Transcript Document 7835755

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
(USA)
ISO/TC 57
(USSR)
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
WG
1
WG
2
WG
3
Secretariat
AG 1
SLOW
AG 2
FAST
AG 9
WG
4
WG
6
WG
7
WG
9
AG 11
WG
10
WG
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WG
14
ISO/TC 213 Uncertainty of
Measurement and
decision rules
UE  UT
WG
1
WG
2
WG
3
WG4
ISO/TC 213
ISO 14253 part 1-4
14407
Secretariat
AG 1
SLOW
AG 2
FAST
AG 9
WG
4
WG
6
WG
7
WG
9
AG 11
WG
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WG
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WG
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PUMA
Measurement
method
Measuring Task
Target
uncertainty
UT
Principle of
measurement
Measurement
procedure
Uncertainty Budget
Assumptions
knoledge
etc.
Uncertainty
modelling
Uncertainty
components
UEN  UT
UEN = k x u
Y
Adequate
measurement
prcedure
N
No adequate
measurement
procedure
possible
N
Measurement
conditions
Change
assumptions and/or
modelling and/or
improve knowledge
Y
Change of
UEN possible
N
Change conditions
and/or procedure
and/or methode
Y
Change of
UEN possible
N
Change
principle of
measurement
Y
Change of
UEN possible
N
Change measuring
task or target
uncertainty
Y
Change of
UEN possible
Types of Uncertainty

Correlation-uncertainty
Specification-uncertainty
 Measurement-uncertainty

Vagifem
Types of Uncertainty

Correlation-uncertainty
Specification-uncertainty
 Measurement-uncertainty

Functional needs
F
F = 5 - 20 N
GPS
Geometrical Product Specification
D
0,01
Correlation
Force, F [N]
D
F
20
18
16
14
12
10
8
6
4
2
0
Diameter, D [mm]
Types of Uncertainty

Correlation-uncertainty
Specification-uncertainty
 Measurement-uncertainty

Specification uncertainty
?
D
Rundhedsdiagram
LSL
USL
Specification
-uncertainty
Types of Uncertainty

Correlation-uncertainty
Specification-uncertainty
 Measurement-uncertainty

Measurement Uncertainty
D
Rundhedsdiagram
LSL
USL
Types of Uncertainty

Correlation-uncertainty
Verification
Specification-uncertainty
 Measurement-uncertainty

U Compliance
Specification
Measurement
ISO/TC 213 General
Requirements for
GPS-measuring
equipment
WG6
ISO 14978
General
Consepts &
Requirements
ISO/TC 213
Secretariat
AG 2
FAST
WG
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WG
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WG
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WG
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WG
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WG
7
ISO 14978
463
1938
9121 & 9493
AG 1
13225
SLOW
13385
AG 9
WG
9
AG 11
WG
10
WG
12
WG
14
ISO/TC 213 -
WG12
Rundhedsdiagram
ISO/TC 213
Size
Secretariat
AG 2
FAST
WG
1
WG
2
WG
3
WG
4
ISO 286 - 1
1829
2768-1
14405
AG 1
14406
SLOW
16570
AG 9
WG
6
WG
7
WG
9
AG 11
WG
10
WG
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WG
14
ISO/TC 213 Vertical GPS
principles
WG
1
WG
2
WG14
ISO/TC 213
WG
3
ISO 17450 - 1
17450 - 2
Secretariat
AG 1
SLOW
AG 2
FAST
AG 9
WG
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WG
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AG 11
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Reminder - Structure - Example - Conclusion
Points of view (Part 1)
Measurement
Perfect shape
Imagination
of the interface
Part of
Part of
Filtration
of
Filtration
of
Set of
operations on
Nominal
Part of
Part of
Set of
operations on
Respecting
constraints with
respect to
Specification
Part of
Part of
Filtration
of
Filtration
of
Set of
operations on
Respecting
constraints with
respect to
Verification
Representing
Representing
Material
Part of
Material
Part of
Part of
WG14 - Vertical GPS principles
Skin model
Real surface
Feature operations
Feature operations
Ideal and/or non-ideal
features
Ideal and/or non-ideal
features
- Partition
- Extraction
- Filtration
- Association
- Collection
- Construction
- Physical partition
- Physical extraction
- Filtration
- Association
- Collection
- Construction
Characteristic operations
Characteristic operations
Characteristic,
nominal value, limits
Characteristic, nominal
value, limits, uncertainty
- Evaluation
- Evaluation
Comparison for conformance
VERIFICATION OPERATOR
SPECIFICATION OPERATOR
Operators
ISO 17450
Specification:
Operations - DATUM
Partition:
Association:
Operations – TOLERANCED FEATUR
Partition:
Association:
Construction:
Partition:
Association:
Collection:
Operations
Specification
Result
Comparison
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
GPSDefinition
Definition
of
Assesment
of Requirements
of Requirements
Tolerance,Featuret
ID/code
Deviations
Measuring
–
Calibration &
comparison equipment
with t Standards
characteristic
The New GPS matrix
ISO/TC 213 -
Goals
Rundhedsdiagram
 Harmonize terminology
 Make fundamental rules
Default?
 Make clear definition - computarizeable
 Develop tollboxes for expresion of functional
needs
 Close gaps and Eleminate contradictions
 Reduce
LSLspecification unceratainty
USL
Specification
-uncertainty
ISO/TC 213 -
Main Goals
1. To reduce the Correlation Uncertainty
a) Develop the necessary functional related tool
2. To reduce the Specification Uncertainty
a) Defining operators
b) Develop clear and unambiguous rules
c) Stating default rules
3. To enrich the improved GPS-Language
a) Strive to keep it as simple as possible
Important Standards: published & drafts
 Repair work
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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