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CAD and Drafting

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  1. 1. CAD and Drafting <br />By Josh Davis<br />
  2. 2. Thesis Statment<br />With my project I plan to highlight some of the differences between drafting and using CAD to produce technical drawings. I also hope to show the student the importance of these technical representations.<br />
  3. 3. Personal Relevance<br />The reason why this topic relates to me personally is because I’m very interested in this topic and I have been taking mechanical drawing and advanced CAD classes for the last three years of high school. This topic also relates to me personally because my father owns a construction business in which he often has to to create floor plans and other drawings. He creates these drawings to show potential homeowner and also give estimate but also to give him something refer back to while building some structures.<br />
  4. 4. Definition of CAD<br />CAD<br />http://www.case.com.my/images/jlogo_big.jpg<br />http://www.caddprimer.com/cad_graphic_design_books.gif<br />
  5. 5. History of CAD<br />1970<br />CAD programs are hardly used<br />Late 1970’s<br />Development of smaller and less expensive microcomputers<br />1980’s<br />AutoCAD<br />1985<br />First specifically based solid 3D program<br />Late 1990’s<br />“dot-com boom and the internet”<br />Late 1990’s to today<br />Anonymous. “30 Years of CAD/CAE Software.” NASA Tech Briefs. 01 Jan 2006. 13. eLibrary. ProQuest LLC. UPPER MERION AREA HIGH SCHOOL. 02 Dec 2009. http://elibrary.bigchalk.com.<br />
  6. 6. Applications of CAD<br />Architectural design <br />Automotive design<br />Industrial design <br />Mechanical design<br />Special effects <br />Computer animation<br />http://www.planetpdf.com/images/5_Reduce_Model_Dialogue_with_Piston100.jpg<br />Computer control programmer and operators. Occupational Outlook Handbook 2006-2007. U.S. Bureau of Labor statistics. 2006. eLibrary. ProQuest.LLC. UPER MERION AREA HIGH SCHOOL. 02 Dec 2009. <http://elibrary.bigchalk.com><br />
  7. 7. Information presented by CAD<br />Materials<br />Tolerances<br />Dimensions<br />Processes<br />McGraw-Hill, Glencoe. Basic Technical Drawing. 8th Edition ed. 622 vols. N.p.: Glencoe/McGraw-Hill, 2003. Print. <br />
  8. 8. Different Platforms of CAD<br />2D CAD<br />http://www.kdh.ltd.uk/templates/kdh/images/_fullsize/2d-floorplan-after-cad.jpg<br />
  9. 9. Platforms of CAD<br />3D CAD (solid)<br />http://www.prlog.org/10452787-low-cost-3d-cad-modeling-services.jpg<br />http://farm3.static.flickr.com/2655/4157827590_0d47764600.jpg<br />
  10. 10. Platforms of CAD<br />2D CAD and 3D CAD<br />http://pressbox.co.uk/images/logos/311578_MEDUSA4_Personal_free_2D_3D.jpg<br />http://www.cor-creative.com/COR-CAD/Images-Samples/3D-CAD-samples/COR_3D_CAD-sample2.jpg<br />
  11. 11. Platforms of CAD<br />AutoCAD<br />http://www.jtbworld.com/images/AutoCAD_2009_splash.jpg<br />http://www.jtbworld.com/images/AutoCAD_2009_splash.jpg<br />
  12. 12. Different Platforms<br />CAM<br />http://www.andrew.cmu.edu/user/sahuber/rpd/Pictures/Real%20CNC%20mill.JPG<br />http://www.mmec.net/Hass_CNC_Milling_machine.jpg<br />
  13. 13. Advantages of CAD<br />Speed<br />http://www.inition.co.uk/inition/images/product_3Dinput_3dconnexion_spacetraveler2.jpg<br />http://develop3d.com/images/articles_fullwidth/SpacePilot-Pro-large.jpg<br />
  14. 14. CAD Advantages<br />Drawings are stored on hard drives<br />http://www.pc-recovery.co.uk/images/hard-drive.jpg<br />
  15. 15. CAD Advantages<br />Lower margin for error<br />http://www.wwu.edu/depts/tutorialcenter/images/calculator.gif<br />http://www.eschoolnews.com/media/images/math_image.jpg<br />
  16. 16. Advantages I experienced<br />Instant calculations<br />Copy and move pre-drawn section of a drawing with easy <br />Ability to make copies and print<br />
  17. 17. Disadvantages to CAD<br />Cost <br />http://makemoney99.com/wp-content/uploads/2008/12/make-money-online.jpg<br />
  18. 18. CAD Disadvantages<br />Needed knowledge<br />http://farm2.static.flickr.com/1173/1225274637_85fac883b1.jpg<br />http://ecx.images-amazon.com/images/I/515NGRHW5DL._SL500_AA300_.jpg<br />
  19. 19. CAD Disadvantages<br />Software limitations <br />http://www.cadpro.com/rapidCat/WebPageImages/1315/4428/CADPRO4_3Dl.gif<br />
  20. 20. Disadvantages I expereienced<br />Difficultly doing some simple functions<br />Understanding specific tools and terminology<br />
  21. 21. Definition of technical drawing<br />Technical drawing (Drafting)<br />http://www.bluebutterfly.ca/site019/wp-content/uploads/2009/01/drafting_vancouver.jpg<br />http://www.bcaf.com/construction_news.htm<br />
  22. 22. Types of technical drawings<br />Two dimensional representation<br />Three dimensional representations <br />http://www.royalhigh.edin.sch.uk/departments/departments/cdt/sgc_0708/cad/clock_dwg_scan_001b.jpg<br />
  23. 23. Tools used for drawing<br />Scale Rulers<br />http://www.deskstore.se/WebRoot/Store/Shops/deskstore/44B3/872E/816C/D708/E661/0A0A/6450/64EB/28_002E_087.jpeg<br />
  24. 24. Drafting Tools <br />Precision pens and pencils<br />
  25. 25. Drafting Tools<br />T-squares <br />http://www.framingsupplies.com/images/C-Thru%20Rullers/CTR%20T%20Squares.JPG<br />http://www.rapidonline.com/netalogue/zoomed/Large/52980801.jpg<br />
  26. 26. Drafting Tools<br />Drafting table<br />http://www.exchange3d.com/cubecart/images/uploads/aff1643////////////1.jpg<br />
  27. 27. Drafting Tools<br />Squares set or Triangle set<br />http://elibrary.bigchalk.com/elibweb/elib/do/document<br />set=search&dictionaryClick=&secondaryNav=&groupid=1&requestid=lib_standard&resultid=66&edition=&ts=2BC4C82FD1F1E33EF3A0EB4DFEB0553A_1272030679400&start=51&publicationId=&urn=urn%3Abigchalk%3AUS%3BBCLib%3Bdocument%3B115501807<br />
  28. 28. Drafting Tools<br />Compass<br />http://images.google.com/imgres?imgurl=http://www.alvinco.com/generatedPhotos/300x300/364.jpg&imgrefurl=http://www.alvinco.com/shopping/family_sale_0_familyid_7640_cat_167&usg=__PzNmDvO7GCVOjz_NzMAdA3_5d-4=&h=300&w=300&sz=13&hl=en&start=19&um=1&itbs=1&tbnid=69zrXrDqy096JM:&tbnh=116&tbnw=116&prev=/images%3Fq%3Ddrawing%2Bcompass%26start%3D18%26um%3D1%26hl%3Den%26safe%3Dactive%26sa%3DN%26ndsp%3D18%26tbs%3Disch:1&safe=active<br />http://www.engineersupply.com/images/alvin-drafting-drawing-products/ES2392-Alvin-Speed-Bow-Compass-Set-366S-md.jpg<br />
  29. 29. Drafting Tools<br />Drafting stencils <br />http://www.oppictures.com/singleimages/400/STD977125_1_1.JPG<br />
  30. 30. Drafting Tools<br />French Curves (irregular curves)<br />http://www.graphicsdirect.co.uk/images/store/products/1713/large/french_curves_4.jpg<br />http://www.threadandmore.com/ProdImages/french%20curve%20set.jpg<br />
  31. 31. Multi-view representations <br />Exploded <br />http://www.bobfist.com/Th350exploded.gif<br />
  32. 32. Multi-view representations<br />Section<br />McGraw-Hill, Glencoe. Basic Technical Drawing. 8th Edition ed. 622 vols. N.p.: Glencoe/McGraw-Hill, 2003. Print. <br />
  33. 33. Multi-view reprsentations<br />Pattern<br />Thilmany, Jean. “Pros and Cons of CAD.” Mechanical Engineering. 01 Sep 2006. 38. eLibrary. ProQuest LLC. UPER MERION AREA HIGH SCHOOL. 02 Dec 2009. <http: elibrary.bigchalk.com><br />
  34. 34. Muti-view reprsentations<br />Auxiliary <br />http://www.personal.psu.edu/bro5014/SolidWorks/practiceproblemdrawing.jpg<br />http://www.saskschools.ca/curr_content/drafting20/module9/images/9-1-1.gif<br />
  35. 35. “Working” drawings<br />Drawings that are referred to during the developmental or construction stage of a produce<br />Civil <br />Architectural <br />Structural <br />Plumping<br />System<br />Electrical <br />Etc.<br />Thilmany, Jean. “Pros and Cons of CAD.” Mechanical Engineering. 01 Sep 2006. 38. eLibrary. ProQuest LLC. UPER MERION AREA HIGH SCHOOL. 02 Dec 2009. <http: elibrary.bigchalk.com><br />
  36. 36. Assembly drawings<br />Use to show the assembly process of a produce in which parts are numbered to show their placement <br />http://www.gentechdesign.com/images/enlargements/Assembly-Drawing.jpg<br />
  37. 37. Application Drawings<br />Oakwood<br />
  38. 38. CAD Drawings <br />Oakwood<br />
  39. 39. Application Model<br />Oakwood<br />
  40. 40. Work Cited<br />Coen-Brown, Karen L. Understanding Microstation/J. New Jersey: Prentice Hill, 2001.Pag. Print. <br />French, Thomas E, Carl L Svensen, and Jay D Helsel. “Symbols.” Mechanical drawing. Tenth Edition ed. New York: Mcgraw-Hill Book Company, 1985. 494-495. Print<br />Thilmany, Jean. “Pros and Cons of CAD.” Mechanical Engineering. 01 Sep 2006. 38. eLibrary. ProQuest LLC. UPER MERION AREA HIGH SCHOOL. 02 Dec 2009. <http: elibrary.bigchalk.com><br />“Software/Hardware.” Design News. 11 2003. 90 eLibrary. ProQuest LLC. UPPER MERION ARE HIGH SCHOOL. 02 Dec2009. <http://elibrary.bigchalk.com>. <br />Haftl, Lawrence. “There is CAD, and then there is CAD.” American Machinist. 01 Sep 2008. 24. eLibrary. ProQuest LLC. UPPER MERION AREA HIGH SCHOOL. 02 Dec 2009. <http://elibrary.bigchalk.com>. <br />Computer control programmer and operators. Occupational Outlook Handbook 2006-2007. U.S. Bureau of Labor statistics. 2006. eLibrary. ProQuest.LLC. UPER MERION AREA HIGH SCHOOL. 02 Dec 2009. <http://elibrary.bigchalk.com><br />Anonymous. “30 Years of CAD/CAE Software.” NASA Tech Briefs. 01 Jan 2006. 13. eLibrary. ProQuest LLC. UPPER MERION AREA HIGH SCHOOL. 02 Dec 2009. http://elibrary.bigchalk.com.<br />http://elibrary.bigchalk.com/elibweb/elib/do/document?set=search&dictionaryClick=&secondaryNav=&groupid=1&requestid=lib_standard&resultid=1&edition=&ts=2BC4C82FD1F1E33EF3A0EB4DFEB0553A_1272030100510&start=1&publicationId=&urn=urn%3Abigchalk%3AUS%3BBCLib%3Bdocument%3B119734758<br />http://elibrary.bigchalk.com/elibweb/elib/do/document?set=search&dictionaryClick=&secondaryNav=&groupid=1&requestid=lib_standard&resultid=6&edition=&ts=2BC4C82FD1F1E33EF3A0EB4DFEB0553A_1272030467258&start=1&publicationId=&urn=urn%3Abigchalk%3AUS%3BBCLib%3Bdocument%3B98514873<br />http://elibrary.bigchalk.com/elibweb/elib/do/document?set=search&dictionaryClick=&secondaryNav=&groupid=1&requestid=lib_standard&resultid=66&edition=&ts=2BC4C82FD1F1E33EF3A0EB4DFEB0553A_1272030679400&start=51&publicationId=&urn=urn%3Abigchalk%3AUS%3BBCLib%3Bdocument%3B115501807<br />McGraw-Hill, Glencoe. Basic Technical Drawing. 8th Edition ed. 622 vols. N.p.: Glencoe/McGraw-Hill, 2003. Print. <br />Roy, M. Raja. Engineering Drawing (with Auto CAD). N.p.: I K International Publishing House, 2009. Print.<br />
  41. 41. Work Cited<br />Roy, M. Raja. Engineering Drawing (with Auto CAD). N.p.: I K International Publishing House, 2009. Print.<br />Monahan, James. "Drafting As An Art Of Technical Drawing." Articles Base. N.p., n.d. Web. 11 Mar. 2010. <http://www.articlesbase.com/careers-articles/ drafting-as-an-art-of-technical-drawing-8047.html>. <br />Aniston, Kelvin. "Mechanical 2D Drafting and Mechanical 2D Drawing." Articles Base. N.p., n.d. Web. 7 Mar. 2010. <http://www.articlesbase.com/ business-articles/ mechanical-2d-drafting-and-mechanical-2d-drawing-1247780.html>.<br />West, Andy. "Experience Is Important In Computer Aided Drafting." Articles Base. N.p., n.d. Web. 10 Mar. 2010. <http://www.articlesbase.com/ education-articles/ experience-is-important-in-computer-aided-drafting-286282.html>. <br />Thomas, Mike. "Structural Drawings." articlesbase.com. N.p., n.d. Web. 10 Mar. 2010. <http:www.articlesbase.com/business-opportunities-articles/ structural-drawings-precise-structural-engineer-for-building-structure-design-1079449.html>. <br />
  42. 42. Class Activity<br />After splitting the class up into two separate groups each team will be give materials create a small pretzel cabin.<br />The objective is to build the model faster and hopefully more accurately than the opposing team. <br />Have fun and good luck<br />
  43. 43. Conclusion<br />I hope that after presenting this information I was able to share some information that is not only new to the students but also interesting. Also I hope that I was able to take the information present in my drawings and give the class a real idea of what exactly is being shown in the drawingsand the importance and meanings behind these drawings.<br />

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