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Computer-Aided Design
Computer-Aided Design
Computer-Aided Design (CAD)
Computer-Aided Design (CAD)
Computer-Aided Manufacturing (CAM)
Computer-Aided Manufacturing (CAM)
Computer-Aided Engineering (CAE)
Computer-Aided Engineering (CAE)
Components of CAD/CAM/CAE Systems
Components of CAD/CAM/CAE Systems
Components of CAD/CAM/CAE Systems
Components of CAD/CAM/CAE Systems
Hardware Components
Hardware Components
Hardware Components
Hardware Components
Hardware Components
Hardware Components
Hardware Configuration #1
Hardware Configuration #1
Hardware Configuration #2
Hardware Configuration #2
Hardware Configuration #2
Hardware Configuration #2
Rapid Prototyping
Rapid Prototyping
Medical Modeling - Zcorp
Medical Modeling - Zcorp
Rapid Prototyping Cycle
Rapid Prototyping Cycle
Rapid Prototyping Cycle
Rapid Prototyping Cycle
Rapid Prototyping Process (Damvig)
Rapid Prototyping Process (Damvig)
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Computer-Aided Design

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1Computer-Aided Design. Chapter 7. 13is smaller than configuration #1. User can
2 choose appropriate workstation on a task
3Computer-Aided Design (CAD). Use of by task basis.
computer systems to assist in the 14Hardware Configuration #3. Popular
creation, modification, analysis, and with small companies. Same as the second,
optimization of a design Typical tools: except engineering workstations are
Tolerance analysis Mass property replaced by personal computers running
calculations Finite-element modeling and Microsoft Windows. Popular with companies
visualization Defines the geometry of the whose main purpose is to generate drawings
design. with their CAD/CAM/CAE systems.
4Computer-Aided Manufacturing (CAM). Distinction between configurations 2 and 3
Use of computer systems to plan, manage, becoming blurred as personal computers
and control manufacturing operations evolve.
Direct or indirect computer interface with 15Software Components. CAD software
the plant’s production resources Numerical allows the designer to create and
control of machine tools Programming of manipulate a shape interactively and store
robots. it CAM software plans, manages and
5Computer-Aided Engineering (CAE). Use controls the operations of a manufacturing
of computer systems to analyze CAD site CAE software analyzes design
geometry Allows designer to simulate and geometry, allowing designer to study
study how the product will behave, product behavior.
allowing for optimization Finite-element 16Windows-Based CAD Systems. User
method (FEM) Divides model into interface is similar to Windows Employs
interconnected elements Solves continuous component technology, in which best key
field problems. software elements are selected from among
6Computer-Aided Design Process. Two available software Use object-oriented
types of activities: synthesis and technology, which modularizes the program
analysis Synthesis is largely qualitative Capable of either parametric or
and hard to capture on computer Analysis variational modeling Internet support.
can be greatly enhanced with computers 17Rapid Prototyping. Layer by layer
Once analysis is complete, design fabrication of three-dimensional physical
evaluation- rapid prototyping Software models from CAD Fast and inexpensive
packages for design optimization. alternative for producing prototypes and
7Components of CAD/CAM/CAE Systems. functional models Build parts in thin
Major component is hardware and software layers Minimum operation time; typically
allowing shape manipulation Hardware runs unattended. Rapid Prototyping has
includes graphic devices and their surgical applications.
peripherals for input and output 18Medical Modeling - Zcorp.
operations Software includes packages that 19Rapid Prototyping Cycle.
manipulate or analyze shapes according to 20Rapid Prototyping Cycle. .STL is
user interaction. standard file format for all U.S. rapid
8Components of CAD/CAM/CAE Systems. prototyping systems Preprocessing prepares
9Hardware Components. Graphic device is .STL file for various rapid prototyping
composed of a display processing unit, a systems Build process can last from a few
display device, and one or more input hours to several days Post processing:
devices Input devices: Mouse Space ball removal of part from machine, support
Data tablet with a puck or stylus Keyboard removal, sanding.
Output Devices: Plotters Color laser 21Rapid Prototyping Process (Damvig). “A
printers. computer-controlled laser beam is scanned
10Hardware Configuration #1. across the surface of a vat of liquid
11Hardware Configuration #1. Requires a photopolymer, instantly solidifying the
big initial investment for hardware and liquid at each point of contact. Using
software. Slow system response times. data generated from a CAD file, individual
Maintenance of mainframe is expensive. cross-sections of the three-dimensional
Updating operating systems is difficult. geometry are solidified in turn to build
12Hardware Configuration #2. up a solid part layer by layer. In this
13Hardware Configuration #2. Widely way even highly complex geometries can be
used; trend toward distributed computing. built in a few hours without requiring any
Engineering workstations connected in a tools. “.
networked environment. Initial investment 22
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Computer-Aided Design

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