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CAD/CAM programs

CAD/CAM programs. Computer-Aided Design(CAD). In CAD a computer is used for designing things Changes to a design can be made without redrawing the design It is easier to create 3-D representations of an object Libraries of components can be kept and reused

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CAD/CAM programs

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  1. CAD/CAM programs

  2. Computer-Aided Design(CAD) • In CAD a computer is used for designing things • Changes to a design can be made without redrawing the design • It is easier to create 3-D representations of an object • Libraries of components can be kept and reused • It is also faster than using pen and pencil • Designs can be scaled down easily • Designs can be shared on the web or distributed as pdf via e-mail

  3. Features Of CAD programs • Creationve of 3-D drawings using vector graphics • Importing existing drawings • Libraries of standard components • Surface, Mesh and Solid modelling tools • Zooming in to work on finer details • 2-D cross-sectional views • 3-D views ranging from ‘wire-frame’ (representing hidden edges) to rendering(drawing surfaces)

  4. Features Of CAD programs • Multiple views available • 3-D navigation tools to ‘walk or fly through’ • Stereoscopic display to allow a use to view in 3-D • Estimates of masses, material, surface areas, volumes and costs • Performance of thermal, stress, strain, resonance, buckling, toppling etc

  5. Features Of CAD programs • Optimisation of routing of conductive tracks • Verification od design against design specification using simulations • Output to a 3-D printer • Exporting files in pdf format

  6. Computer-adided manufacturing(CAM) Computer controlled machines are used for making the product directly from the design

  7. Features of CAM software • Creation of programs by specialist programmers or machinist to control CAM machinery • Tools for managing production, transportation, storage of raw materials, components and products • Importing data from CAD systems • Output directly to CAM machinery

  8. Adavantages of CAM • Consistently high quality • Reliable • Productivity is high • Minimises wastage of materials • Minimises energy usage

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