BY SAM.  Computer-aided design [CAD]  Computer-aided manufacture [CAM]  CAD/CAM systems  Computer-aided engineering (CAE) 1/17/2012 ICT on Engineering.

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Presentation transcript:

BY SAM

 Computer-aided design [CAD]  Computer-aided manufacture [CAM]  CAD/CAM systems  Computer-aided engineering (CAE) 1/17/2012 ICT on Engineering and Manufacturing (by SAM)

1/17/2012 ICT on Engineering and Manufacturing (by SAM)

A CAD system uses computer hardware and software in the drawing of engineering or architectural designs. A CAD package is designed to make it easier to produce detailed plans and accurate technical drawings. It contains software that provides a set of standard components and basic elements such as points, lines, circles and solids, from which CAD drawings can be constructed. CAD programs can produce 3D drawings that can be rotated and viewed on screen from many different angles. In addition, the computer keeps track of design dependencies, so that when a value is changed all other dependent values are automatically changed. A CAD package can be run on most PCs but a high-resolution graphics monitor is needed to show sufficient detail. The input devices required for a CAD system include a light pen or digitizing tablet for drawing. A special printer or plotter is required for printing detailed design specifications on large sheets of paper. 1/17/2012 ICT on Engineering and Manufacturing (by SAM)

CAD considerable advantages: - Designs can be produced faster, reducing cost. - It is easier to make changes to the original design. - It is easier to make duplicates. - Documentation is generated with the design. - Standard components can be used, which reduces construction time and costs. There are many types of CAD software that are used to design products, buildings and parts of automotive, aerospace and consumer electronics industries. - They include CATIA® (developed jointly by Dassault Systemes and IBM) which is a general purpose CAD, testing and manufacturing system used in the automobile and aerospace industries; and CADdy® (now owned by the German company DataSolid) which is used in areas such as architecture, electronics, engineering and manufacturing. 1/17/2012 ICT on Engineering and Manufacturing (by SAM)

1/17/2012 ICT on Engineering and Manufacturing (by SAM)

Computer-aided manufacture (CAM) refers to the use of a computer to control manufacturing plant and equipment in a production system. It is used in applications where precision and accuracy are important, including processes such as welding, paint spraying, cutting and polishing. CAM software generates instructions for the computerized control of machines. These CNC (Computerized Numerical Control) machines include computerized lathes for turning and drilling and machines for cutting and polishing large stones for building purposes. The advantages of CAM include: - Faster production of parts and products - Production of a more consistent product - The ability to better control and maintain the quality of a product - Production of more complex designs and moldings. 1/17/2012 ICT on Engineering and Manufacturing (by SAM)

1/17/2012 ICT on Engineering and Manufacturing (by SAM)

CAD/CAM systems are used to integrate design and manufacturing. Engineer use the system to create product designs, and then control the manufacturing process. Two CAD/CAM software packages currently available are SolidWorks® and MasterCAM®. - They can create drawings, model trajectories (develop and work out the movement) of cutting tools, and develop numeric control programs. They support 3D modeling, sheet metal punching and bending, and plasma and laser cutting. 1/17/2012 ICT on Engineering and Manufacturing (by SAM)

COMPUTER-AIDED ENGINEERING (CAE) 1/17/2012 ICT on Engineering and Manufacturing (by SAM)

 Computer-aided engineering (CAE) systems analyze engineering designs produced by CAD systems, and simulate a variety of conditions to see if the design actually works.  CAE features are found in most CAD packages. › One CAD/CAM/CAE package is hyperMILL®. 1/17/2012 ICT on Engineering and Manufacturing (by SAM)