ISO xx STEP. Sommaire. étendue. STandard for the Exchange of Product model data. Hervé Panetto CRAN nancy.

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ISO 10303

ISO 10303-

-

xx STEP

STandard

STandardfor the Exchange of Product model datafor the Exchange of Product model data Hervé

HervéPanettoPanetto CRAN CRAN [email protected]

[email protected]

Sommaire

1.

Architecture

2.

Un protocole d’application : AP214

3.

Conclusions : STEP et l’entreprise

étendue

(2)

ST

andard

for

the

E

xchange of

P

roduct

data

model

Série de standards supportant l’ensemble

des fonctions en relation avec les produits

EchangeEchange, mémorisation, archivage, accès, mémorisation, archivage, accès

Utilisé principalement pour l’échange de données Utilisé principalement pour l’échange de données concernant les produits

concernant les produits

Le cœur de STEP est un ensemble de

modèles standardisés par domaine

d’application

Application

protocols

(

AP’s

)

ISO 10303 ISO 10303 STEP STEP

STEP au Sein des

Echanges

de

Données

Temps Volume % IGES 3D STEP AP203/214 DXF + IGES 2D ¾« STEP Works » ¾Le 2D fait de la résistance

(3)

STEP

=

ST

andard

for the

E

xchange of

P

roduct model data

Description methods 11 The EXPRESS language

reference manual

21 Clear text encoding of the exchange structure

22 Standard data access interface specification (SDAI)

28 XML representation of Express schemas and data Implementation methods Conformance testing Generic resources Application resources Application protocols AICs 31 General concepts 32 Requirements on testing laboratories and clients ... ...

41 Fundamental of product description and support 42 Geometric and topological

representation 43 Representation structures 44 Product structure configuration 45 Materials

46 Visual presentation 47 Shape tolerances 49 Process structure and

properties 101 Draughting ... ... 201 Explicit draughting 202 Associative draughting 203 Configuration controlled design 210 Electronic assembly, interconnection and packaging design

212 Electrotechnical design and installation

214 Core data for automotive mechanical design processes 221 Functional data for process

plants

232 Technical data packaging core information and exchange 236 Furniture catalog and interior

design

239 Product Life cycle support

501 Edge based wireframe rep. ... ...

Core Data for Automotive

Mechanical Design Processes

Protocole d’

Application

214

Géométrie • Données Solides • Données Surfaciques • Données Filaires • Données Mesurées Données Technologiques • Données de Matériaux • Form Features • Données de Tolérancement • Conditions de Surface Fabrication • Gammes de Fabrication • Moyens de Fabrication Spécification/Configuration • Gestion de la Diversité

• Données de Structure Produit

Analyse

• Simulation Cinématique

Présentation

• Dessin Technique

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STEP AP214

Core data for automotive mechanical design

processes

NC programming Documentation Manufacturing Tools and development of method plan Production planning Design Part lists, Bill-of-material Quality check Kinematics and robotic simulation Prod uct d ata Design of parts and assemblies

AP214 au Sein de STEP

AP203 AP214 Colors Layers Validation Properties PDM ¾Aéronautique ¾US / PDES Inc.

¾Approche par extension AP203

AP214

¾Automobile

¾Europe / ProStep

¾Approche par discipline Extensions

Extensions

Geometry Topology

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AP214 IS version content:

overview

form_ feature FF1/2/3 kinematicsK1 toleranceT1/2 surface_ condition C1 classificationS6 process_planS8 specification_ control S7 work_ management S5 item_ definition_structure S3 effectivityS4 external_ references E1 PR1 item_ property drawing/ presentation P1/2/3/D1 explicit_ draughting D1/P2 associative_ annotation D2 version product_ management_data S1 item (part) definition item (tool)S1 S1 S1 S1 surfaceG3/8 3D_ wireframe G2/MD1 2D_geometryG1 S2 element_ structure CSGG7 B-repG4/5

AP214 Units of Functionality

(UoFs)

S: Product Structure (8 UoFs)

- product management data (S1) - work management (S5) - element structure (S2) - classification (S6) - item definition structure (S3) - specification control (S7) - effectivity (S4) - process plan (S8)

G: Geometry (8 UoFs)

- wireframe model 2D (G1) - b rep model (G5) - wireframe model 3D (G2) - compound model (G6) - connected surface model (G3) - csg model (G7)

- faceted b rep model (G4) - geometrically bounded surface model (G8)

MD: Measured Data (1 UoF)

- measured data (MD1)

PR: Property (1 UoF)

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AP214 Units of Functionality

(UoFs)

P: Presentation (3 UoFs)

- geometric presentation (P1) - shaded presentation (P3) - annotated presentation (P2)

D: Draughting (2 UoFs)

- explicit draughting (D1) - associative draughting (D2)

K: Kinematics (1 UoF)

- kinematics (K1)

FF: Form Features (3 UoFs)

- user defined feature (FF1) - generative featured shape (FF3) - included feature (FF2)

C: Surface Condition (1 UoF)

- surface condition (C1)

T: Tolerances (2 UoFs)

- dimension tolerances (T1) - geometric tolerances (T2)

E: External Reference

(1 UoF)

- external reference mechanism (E1)

AP214 Product structure and

configuration (UoFs)

product management data (S1), product management data (S1),

e.g. identification of product and product version, e.g. identification of product and product version,

item definition structure (S3), item definition structure (S3), e.g. assembly structure,

e.g. assembly structure,

effectivity (S4), effectivity (S4),

e.g. start and end date for effective part usage, e.g. start and end date for effective part usage,

work management (S5), work management (S5),

e.g. change management with work orders, e.g. change management with work orders,

classification (S6), classification (S6),

e.g. part classification like in the PLIB standard, e.g. part classification like in the PLIB standard,

specification control (S7), specification control (S7),

e.g. managing product variations through conditions, e.g. managing product variations through conditions,

process plan (S8),process plan (S8),

item property (PR1), item property (PR1),

e.g. mass, material, and other product properties, e.g. mass, material, and other product properties,

external reference mechanism (E1), external reference mechanism (E1), e.g. for document management. e.g. for document management.

(7)

AP214 IS version content:

overview

form_ feature FF1/2/3 kinematicsK1 toleranceT1/2 surface_ condition C1 classificationS6 process_planS8 specification_ control S7 work_ management S5 item_ definition_structure S3 effectivityS4 external_ references E1 PR1 item_ property drawing/ presentation P1/2/3/D1 explicit_ draughting D1/P2 associative_ annotation D2 version product_ management_data S1 item (part) definition item (tool)S1 S1 S1 S1 surfaceG3/8 3D_ wireframe G2/MD1 2D_geometryG1 S2 element_ structure CSGG7 B-repG4/5 specification_ control S7

AP214 Product structure and

configuration

Why is this area so important?

main information structures for product developmentmain information structures for product development

no other standard is available in this areano other standard is available in this area

with increasing role of main suppliers (tier1) with increasing role of main suppliers (tier1) Bills of Material (BoMs) have to be exchanged

Bills of Material (BoMs) have to be exchanged

Î

Î Goal: the complete documentation of the product Goal: the complete documentation of the product to be delivered in digital form, i.e. mainly the BoM

to be delivered in digital form, i.e. mainly the BoM

structures

data typically cross systems boundaries with data typically cross systems boundaries with no or little data integration

no or little data integration, e.g. assembly definitions in CAD , e.g. assembly definitions in CAD and EDM systems for Digital Mockup applications (DMU)

and EDM systems for Digital Mockup applications (DMU)

Î

Î the STEP data model may serve as the STEP data model may serve as

--an integration factor for today‘s systemsan integration factor for today‘s systems

(8)

AP214 UoF S7: overview and main

ARM

concepts

S1 item design_disc_ item_definition item_ version . . . S3 item_ instance manufacturable part or tool w/o variation (explicit) S7 product_ function functional design / requirements product_ component product or component including all variants S7 S7 alternative_ solution one variant (explicit rep.) S7 product_ class collection of products with same or similar characteristics S7 specification_ expression specification_ category specification product characteristics and their dependencies

S7control of part / variant usage (validity)

configuration

S7

product structure

(ABS) complex_

product (ABS) product_constituent product_ structure_ relationship complex_ product_ relationship assembly_ component_ relationship S[1:?] S7

part or tool (implicit)

product_ identification product_ specification S7 physical_ instance physically realized product or component (with serial #)

AP214 UoF S7: main concepts

product classes product classes

are used to identify a set of similar products to be

offered to the market,

Î

Î specifications specifications

are used to describe characteristics of the products,

specification categories specification categories

are used to group similar characteristics of the products,

Î

Î specification expressions specification expressions

are used to control the usage of a part within a product

and to represent conditions for product classes,

product functions product functions

are used to describe the functional requirements for

products and components of products,

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AP214 UoF S7: main concepts

alternative solutions alternative solutions

are used to describe the variants of a product component, are used to describe the variants of a product component,

item instances item instances

are used to identify elements of an alternative solution, i.e. t are used to identify elements of an alternative solution, i.e. the he elements of a particular variant for a product component, elements of a particular variant for a product component,

design discipline item definitionsdesign discipline item definitions

are used to identify and describe parts or assemblies explicitly are used to identify and describe parts or assemblies explicitly with their definitions, e.g. the geometric shape, for item with their definitions, e.g. the geometric shape, for item instances

instances

Î

Î product specificationsproduct specifications

are used to identify parts or assemblies as well as complete are used to identify parts or assemblies as well as complete products implicitly by the product class and the chosen products implicitly by the product class and the chosen specifications

specifications

physical instances physical instances

are used to identify specific physically realized products or are used to identify specific physically realized products or components, e.g. a chassis with a serial number.

components, e.g. a chassis with a serial number.

Î

Î requires STEP resource Part 44 extensionsrequires STEP resource Part 44 extensions