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Scaling and Alternative Views

Scaling and Alternative Views. Lecture 5. Topics For Today. Scales and Scaling Alternate Views AutoCAD 2D Lesson 3 Construction and Editing Tools Quiz – Multi-view and pictorial drawings. Scaling a Drawing.

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Scaling and Alternative Views

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  1. Scaling and Alternative Views Lecture 5 Autumn Quarter

  2. Topics For Today • Scales and Scaling • Alternate Views • AutoCAD 2D Lesson 3 • Construction and Editing Tools • Quiz – Multi-view and pictorial drawings Autumn Quarter

  3. Scaling a Drawing • Scaling a drawing is a process for making an object fit the dimensions of the display media • Scales are tools convenient to use when creating a drawing with a standard scale (conversion factor) Autumn Quarter

  4. Types of Scales • Architect’s • A measurement = 1’ 0” typically, divisions are feet and inches • Civil Engineer’s • 1” = 10’s of feet, divisions are 0.1’ • Mechanical Engineer’s • Some unit – 1” Autumn Quarter

  5. Three Common Types of Scales Architect’s Civil Engineer’s Mechanical Engineer’s Scales Scales Scales Full size 1” = 0’1” 1” = 10.0’ 2” = 1” Quarter size 3” = 1’-0” 1” = 20.0’ 1 ½” = 1” One-eighth 1½” = 1’-0” 1” = 30.0’ 1” = 1” One-twelfth 1” = 1’-0” 1” = 40.0’ 3/4” = 1” 1/2” = 1’-0” 1” = 50.0’ 1/2” = 1” 3/8” = 1’-0” 1” = 60.0’ 1/4” = 1” 1/4” = 1’-0” 1” = 80.0’ 1/8” = 1” 3/16” = 1’-0” 1” = 100.0’ 1/8” = 1’-0” 3/32” = 1’-0” Autumn Quarter

  6. Architect’s Scale –Major Unit = 1 foot Divisions = inches Civil Eng. Scale –Major Unit 1 inch = 10’s of feet Divisions = tenths Mech. Eng. Scale –Major Unit = 1 inch Divisions = fraction of an inch Autumn Quarter

  7. Example Uses Autumn Quarter

  8. Types of Scales by Construction Autumn Quarter

  9. Type of Scale by Presentation Open-divided Full-divided Autumn Quarter

  10. Your Scale Autumn Quarter

  11. Conventional and Alternative View Arrangements • Review of “Conventional” Arrangement • Demonstration of “Alternative” Arrangement for Right Side View Autumn Quarter

  12. Convention on Labeling of Views Autumn Quarter

  13. Conventional Arrangement of Views Autumn Quarter

  14. Unfolding of Coordinate Planes - Conventional Autumn Quarter

  15. Alternate Arrangement of Views for the Right Side Autumn Quarter

  16. Alternative Arrangement Views Autumn Quarter

  17. Today’s AutoCAD Project (2D #3) Autumn Quarter

  18. Remember – Use A Title Block • STEPS • Complete the drawing • Go to Layout 1 • Click OK when the window pops up • Use the Insert Command [INSERT] • Select the file “TITLE BLOCK” • Select Explode the Title Block (so you can edit) • Use the Edit Command to change the text [ED] Autumn Quarter

  19. Today’s Assignment • Dwg 9 – Lesson 3, Exercise 3 (page 3-20) • Note that Dimensions are in Millimeters • Save as BRACKET • Due at end of class today • Dwg 10 – ML-1 • Missing Line Problems with pictorials • Use Multi-view Sketch Paper and/or Isometric Sketch Paper • Due at beginning of the next lecture Autumn Quarter

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