Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 1Autumn Quarter Scaling and Alternative Views Lecture 5

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 2Autumn Quarter Topics For Today Scales and Scaling Alternate Views AutoCAD 2D Lesson 3 –Construction and Editing Tools Quiz – Multi-view and pictorial drawings

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 3Autumn Quarter 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)

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 4Autumn Quarter 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”

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 5Autumn Quarter Architect’s Civil Engineer’s Mechanical Engineer’s Scales Scales Scales Full size1”= 0’1”1” = 10.0’2”= 1” Quarter size3”=1’-0”1” = 20.0’1 ½”= 1” One-eighth1½”=1’-0”1” = 30.0’1”= 1” One-twelfth1”=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” Three Common Types of Scales

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 6Autumn Quarter 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

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 7Autumn Quarter Example Uses

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 8Autumn Quarter Types of Scales by Construction

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 9Autumn Quarter Open-divided Full-divided Type of Scale by Presentation

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 10Autumn Quarter Your Scale

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 11Autumn Quarter Conventional and Alternative View Arrangements Review of “Conventional” Arrangement Demonstration of “Alternative” Arrangement for Right Side View

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 12Autumn Quarter Convention on Labeling of Views

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 13Autumn Quarter Conventional Arrangement of Views

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 14Autumn Quarter Unfolding of Coordinate Planes - Conventional

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 15Autumn Quarter Alternate Arrangement of Views for the Right Side

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 16Autumn Quarter Alternative Arrangement Views

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 17Autumn Quarter Today’s AutoCAD Project (2D #3)

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 18Autumn Quarter 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]

Engineering H191 - Drafting / CAD Gateway Engineering Education Coalition Lect 5P. 19Autumn Quarter 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