Master sections in CATIA

What is meant by master sections, where all it is used...
can i have some sample file for the same..

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1 Answer

Master sections are the guides for design requirements which decide the component packaging after technical (Styling, Concept or Class-A) surfaces.

Concept development in BIW

Concept & Feasibility
•Concept design / Design support and feasibility study
•Concept surface description
•Generate master sections and component packaging
•Technical surface description (A class)
•Deciding part configuration / split lines
•Gap & Flush requirement
•Feasibility study & simulations
•Assembly sequence & develop process diagram & spot plan drawings
•Preliminary weight analysis and bill of material

Package analysis
•Interior, exterior, engine, underbody, and luggage compartments
•Engine and passenger compartments

Detail Design
•Modeling & drafting of vehicle components
•Sub assemblies & assemblies: Body in white, closures
•Tolerance analysis

Facelifts and Variants
•Minor freshening: rub rails, door trims, steering wheels, roof carriers, and decorative trims
•Moderate facelifts: bumpers, spoilers, grilles, steering wheels, door trims
•Mid-life facelifts: changes in bumpers, lamps, instrument panels & consoles, spoilers, grilles, steering wheels, door trims, new engine, RVMs, BIW changes to suit trim changes
•Major Facelifts: carryover platform
•Variants: from base hatch back platform to sedan and station wagon with or without W/B increase

Engineering Documentation
•Bill of Material generation and controlling
•Material specifications
•Chain of Dimension, Gap and Flush study and GD&T on drawings
•Design Failure Mode Effective Analysis (DFMEA)
•Product specifications, Design Validation Plan (DVP)
•Fastener selection

3D-engineering, 2D-drawings releases
•Body contour development
•Design according to tool, manufacturing or process requirements
•Data management and Releasing

Geometrical Integration / Digital Mock Up (DMU):
•Design studies

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