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WorksheetsCAD Standards
Total questions: 7
Worksheet time: 4mins
Why do we need CAD standards?
•Different vendors (manufacturing) uses many types of CAD/CAM applications.
To perform hardware upgrade
The need for data standardization to link different hardware and software system.
To have a good graphic output.
Which one below is not a standard file?
GKS
IGES
STEP
doc
What is the use of GKS
Defines a common interface to interactive computer
graphics for creating, manipulating, and displaying or
printing computer graphics on different types of
computer graphics output devices
The most comprehensive standard and is designed to transmit the entire product definition including that of manufacturing and any other associated information
A series of International Standards with goal of defining data across full engineering and manufacturing life cycle
Standard methods for exchanging the data electronically between two different systems
IGES stand for?
(a)
Which is FALSE on STEP file?
Officially is ISO standard 10303 (Product data representation and exchange)
STEP was born in 1983, as the merger of previous national efforts such as IGES, VDAFS, SET, CAD*I, and PDDI.
After years of effort, completion of STEP files include the EXPRESS information modeling language and the first application protocol, AP203, for exchanging BREP mechanical CAD geometry
AP 205 is the application protocol for Explicit Draughting.
Explain how to communicate a 2D drawing file? Suggest how one 2D drawing can be transfer to another system.
Which combination is correct? The answer could be more than one answer
1- WCS
2- UCS
1- UCS
2- DCS
1- Model Coordinate System
2- User coordinate system
1- Screen Coordinate system
2 - World coordinate system
