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Introduction to Eng and Design

Introduction to Eng and Design. Today's Topics. NEXT. Design Process. NEXT. Constraints. NEXT. Sketching. NEXT. Reverse Engineering. NEXT. Vocab. NEXT. Big Board Facts. Design Process. 5. 10. 15. 20. 25. Constraints. 5. 10. 15. 20. 25. Sketching. 5. 20. 25. 10. 15.

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Introduction to Eng and Design

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  1. Introduction to Eng and Design

  2. Today's Topics NEXT

  3. Design Process NEXT

  4. Constraints NEXT

  5. Sketching NEXT

  6. Reverse Engineering NEXT

  7. Vocab NEXT

  8. Big Board Facts Design Process 5 10 15 20 25 Constraints 5 10 15 20 25 Sketching 5 20 25 10 15 Reverse Engineering 5 10 15 25 20 Vocab 25 5 10 15 20 Team Scores Team One Team Three Team Five Big Points Question Team Two Team Four Team Six

  9. Design Process : Present ideas in group. Generate and record ideas. Seek quantity not quality. Keep the mind alert through rapidly paced sessions. Show Answer

  10. Design Process Answer: Brainstorm Back to Board

  11. Design Process Question for 10 points Initiate further development of brainstorming ideas with constraints and tradeoffs considered. Explore alternative ideas based on further knowledge and technologies Show Answer

  12. Design Process Answer for 10 Points Explore Possibilities Back to Board

  13. Design Process Question for 15 Points Identify a problem that exists. Determine the root cause. Gather information. Show Answer

  14. Design Process Answer for 15 Points Define a Problem Back to Board

  15. Design Process Question for 20 Points Reassess the validity of the design criteria and make adjustments to the design brief, if necessary. Work through the design process until the solution satisfies the design criteria. Update the documentation of the final solution. Show Answer

  16. Design Process Answer for 20 Points Refine the Design Back to Board

  17. Design Process Question for 25 Points Present oral presentations with visual aids (computer generated slide show, models, prototype). Develop written reports with appropriate graphic documentation (charts, graphs, technical drawings, renderings, etc.). Market the Product. Distribute. Show Answer

  18. Design Process Answer for 25 Points Communicate Processes and Results Back to Board

  19. Give Four examples of Geometric Constraints Show Answer

  20. Constraints (Perpendicular, Parallel, Tangent, Coincident, Concentric, Collinear, Horizontal, Vertical, Equal, Fix, Symmetric) Back to Board

  21. What is a parametric constraint? Show Answer

  22. Parametric Constraints (Used to control the size and location of geometry. May Take the form of abstract algebraic formulas such as d1=(d2*d0)/d5.) Back to Board

  23. What is an Assembly constraint? Show Answer

  24. A parameter that defines the geometric relationships between components in a CAD assembly. Back to Board

  25. Name three assembly constraints. Show Answer

  26. Mate, flush, angle, tangent, insert… Back to Board

  27. What are the 6-degrees of freedom? Show Answer

  28. Degrees of Freedom:A component floating in space has six degrees of freedom:3 rotations around the X, Y, and Z axes.3 lineartranslations along the X, Y, and Z axes. Back to Board

  29. Name the three main types of 3-D pictoral sketching Show Answer

  30. Isometric Oblique and Perspective Back to Board

  31. What is an isometric sketch? Show Answer

  32. Isometric – angle to the horizon is 30° for both depth and width, 90° for height; all axis drawn to the same scale. Back to Board

  33. What is a perspective drawing? Show Answer

  34. Perspective – Lines converge on a ‘vanishing point’ (VP) off in the distance. Subdivided into additional types: 1 point has one VP on the horizon, 2 point perspective has two VPs on the horizon and 3 point perspective has three VPs, two on the horizon and one either above or below. Back to Board

  35. What is an oblique drawing? Show Answer

  36. Oblique – width is show horizontal, depth goes back at an angle, typically 30°, 45° or 60°. Back to Board

  37. What is the difference between cavalier and cabinet drawings? Show Answer

  38. Cabinet is half depth cavalier is full depth Back to Board

  39. What is reverse engineering? Show Answer

  40. The process of taking a product apart to determine function Back to Board

  41. What are the three types of analysis involved in reverse engineering? Show Answer

  42. Visual Functional Structural Back to Board

  43. What are the six elements of visual design? Show Answer

  44. Line Color Form/Shape Space Texture Value Back to Board

  45. What are the five principles of design? Show Answer

  46. Balance Rhythm Emphasis Proportion and scale Unity Back to Board

  47. What is difference between structural and functional analysis? Show Answer

  48. Functional Analysis (the product’s purpose is identified; determine how the product functions; the system’s inputs and outputs are listed) Structural Analysis (materials used; fastening methods) Back to Board

  49. What is a Gantt Chart? Show Answer

  50. (A time and activity bar chart that is used for planning, managing, and controlling major programs that have a distinct beginning and end.) Back to Board

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