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Geometric Data Exchange

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Presentation on theme: "Geometric Data Exchange"— Presentation transcript:

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2 Geometric Data Exchange
Solid Works CATIA Creo Geometric Model MasterCAM DellCAM EspritCAM

3 Geometric Data Exchange
The Need Heterogeneous expertise Use of separate software for design and manufacturing Migration from one system to another Data exchange with collaborators / customers / suppliers

4 Geometric Data Exchange
Two Options One native format to another directly One native format to another via a standard format

5 Geometric Data Exchange
Geometric Format (Software I) Geometric Format (Software II) Intermediate Geometric Format Geometric Format (Software I) Geometric Format (Software II)

6 Geometric Data Formats
IGES Stands for Initial Graphics Exchange Specification. Topology and geometry of given object is stored separately. Both binary and ASCII formats are permissible

7 Standards for Product Modeling
What is STEP ? Stands for STandard for Exchange of Product data (ISO 10303). International effort to develop standards for computer interpretable representation and exchange of product data.

8 STEP Function Specifications & Constraints Geometry Design History Material Assembly & Bill of Materials Tolerances & Surface Finish Process data Business Information

9 STEP-NC Why STEP NC (ISO 14649) ?
Elimination of G & M Codes (ISO 6983) Machine Independent Code (single file) customized tool paths Process planning and production planning information along with NC tool paths Interface with STEP (ISO 10303) Feature based Internet enabled (portable) Provision of Feedback (Bidirectional Data Flow) Provision for Process Optimization

10 STEP-NC

11 STEP-NC

12 STEP-NC

13 STEP-NC

14 Exemples of strategies built on pattern curves :
STEP-NC Pattern strategies : GUIDE CURVE + PATTERN Exemples of strategies built on pattern curves : Trochoïdal milling : Plunge milling :


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