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CAD-CAM
BY: MAHENDER PAL SINGHSAMARTH PATEL
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TABLE OF CONTENT1. Overview.
2. Introduction.
2.1 Definition.
2.2 History.
3. Technology.
4. CAD-CAM
4.1 CAD-CAM Advantages.
4.2 CAD-CAM Limitations
4.3 CAD-CAM Applications.
4.4 Usage Industry.
5. CAD-CAM Software.
5.1 Market Share.
6. Summary and Conclusion.
7. References.
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OVERVIEW• Hand DraftingDrafter, Set-Square, T-Square,
French curves
• Computer aided drafting 2D vector drafting. 3D solid and surface modeling.
• Computer aided manufacturing.
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INTRODUCTION• CAD and CAM or CAM/NC generally stands for Computer
aided design and Computer aided manufacturing numerical control respectively.
• Designing usually starts with CAD software where the actual drawing of the part to be machined is made which is followed by generating tool paths on CAM software.
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DEFINITION OF CAD-CAM
• Computer Aided Design (CAD) is defined as the application of computer and graphics software to aid the product design from conceptualization to documentation.
• Computer Aided Manufacturing (CAM) is defined as the effective use of computer in manufacturing planning and control.
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HISTORY• In 1950’s the MIT’s servo mechanism laboratory
established the concept of Numeric control(NC) on three axis milling machine.
• In 1960’s was that year in which Ivan Sutherland developed a sketchpad system on cathode ray tube.(General Motors announced their DAC-1 system and Bell Technologies introduced the GRAPHIC 1 remote display system).
• In 1980’s new theories and algorithms developed and integration of various elements of design and manufacturing made the existence of manual drafting almost extinct.
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TECHNOLOGY• Fortran.
• UNIX, Linux, Windows, Mac-OS X.
• Mouse, Graphics Tablet.
• Space mouse / Space ball
• Stereoscopic glasses
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CAD-CAM Advantages• Increased productivity.• Error free drafting.• Repeatability.• Improved Collaboration.• Lower overhead costs.• Designs can be altered with minimal effort.• It gives us a “zoom” feature similar to a camera lens.• Three- dimensional modeling.• Ability to create a sectional view.• Generating G and M codes.
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CAD-CAM Limitations• Expensive software.
• Special Skills required.
• Expensive machines required.
• High maintenance cost.
• Nature of material of the object.
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CAD-CAM Applications• CAE (Computer aided engineering)
CAA (Computer aided analysis)CIM (Computer integrated manufacturing)CNC (Computer Numerical control)CAP (Computer aided planning)Photo realistic rendering.Superimposition of objects.
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USAGE INDUSTRY• Automotive Industry.• Aerospace and aircraft industry.• Textile industry.• Medical industry.• Video gaming industry.• Tool and Die Manufacturing industry.• Die Manufacturing industry.• Welding and Cutting industry.
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CAD-CAM Softwares• Mastercam• EdgeCAD• TubeCAD• AlphaCAM• Magics• AutoCAD• Catia V5• IronCAD• Pro/Engineer• Pro/Mechanica• Solid Works• TurboCAD 6.5• Metablender• And many more………
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MARKET SHARE
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SUMMARY & CONCLUSION • Alternative to older mainframe- and workstation based
systems. • Faster and more complex software could be run on Unix.• Standardization of software.• CAD voice control (CVC).• Hologram Technology in CAD-CAM.
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References
1) http://www.cadhelpcenter.com/2010/02/04/brief-history-of-cadcam-development
2)http://www.referenceforbusiness.com/small/Co-Di/Computer-Aided-Design-CAD-and-Computer-Aided-Manufacturing-CAM.html
3)http://www.mapeng.net/Files/paper/Introduction_to_CAD.pdf
4)http://en.wikipedia.org/wiki/File:Jack-in-cube_solid_model,_light_background.gif
5)http://en.wikipedia.org/wiki/File:Power_press_animation.gif
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REFERENCES
6)http://rw4.cs.uni-sb.de/~kerren/lehre/seminar/ss99/6/2-eingabe/spaceball.jpg
7)http://www.mastercam.com/Products/DesignTools/Default.aspx
8)http://en.wikipedia.org/wiki/File:Drafter_at_work.jpg
9)http://arc-tec.in/Cutting%20automation.pdf
10) http://en.wikipedia.org/wiki/Computer-aided_manufacturing
11)http://www.haascnc.com/VMC_MODEL_HIGHSPEED.asp#highspeed
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Video reference• http://faculty.georgebrown.ca/~mmanton/cade2013w/Assi
gnment-2-Recordings/Stanley/Stanley.html
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THANK YOU !!!
ANY QUESTIONS ??