Lecture 1a ENGR3030U Zeid Ch 1

Lecture 1a ENGR3030U Zeid Ch 1 - Introduction Ch. 1...

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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. Introduction – Ch. 1 Objectives: Overview of theory and practice of CAD/CAM. Product lifecycle and scope of CAD/CAM. CAD/CAM systems. CAD/CAM applications. CAD terminology and basic features.
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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. Introduction Many tasks performed using CAD/CAM systems: Drafting Design Simulation Analysis Manufacturing Unless users understand fundamentals that all CAD/CAM systems built on, they use CAD/CAM systems inefficiently.
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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. Today’s industries must introduce new products with: Better quality (Q) Lower cost (C) Shorter lead time (D) Product Lifecycle
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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. Product design process starts here. Figure 1.1 A typical product cycle. Product Lifecycle to eliminate design choices
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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. Scope of CAD/CAM Figure 1.2 CAD and CAM disciplines.
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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. Scope of CAD/CAM CAD process – subset of design process. Includes: Mass properties Finite Element Analysis Dimensioning and Tolerancing Generating shaded images
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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. Scope of CAD/CAM CAM process – subset of manufacturing process. Includes: CAPP – Computer-Aided Process Planning NC (Numerical Control) programming Design of injection molds CMM (Coordinate Measuring Machines) Verification and inspection Assembly (via robots) Packaging
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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. CAD/CAM Systems CAM/CAM system – requires hardware and software. Hardware – computer that includes keyboard and mouse. Software – computer program written in C/C++ (others include Scheme and Java), includes multilayered GUI (graphical user interface). Software may run as client/server (license accessed through network) or standalone (individual installation).
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ENGR3030U Fall 2009 George Platanitis, Ph.D, P.Eng. CAD/CAM Systems Data structure – well-defined storage scheme for model data. Database – actual file that physically contains model data. Four major operating systems (OS) and platforms for running CAD software – Unix, Linux, Windows, Macintosh.
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Lecture 1a ENGR3030U Zeid Ch 1 - Introduction Ch. 1...

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