![Page 1: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/1.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 1Autumn Quarter
Design Review, Isometric Drawings and Introduction to AutoCAD
Lecture 4
![Page 2: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/2.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 2Autumn Quarter
Topics For Today
• Using the Engineering Design Process (Review - Preparation for Lab)
• More Freehand Sketching– Isometric Sketches
• Introduction to AutoCAD 2002– (You should have read Lesson 1 by now!)
![Page 3: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/3.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 3Autumn Quarter
Topics For Today
• Suggestions For Leisure Reading– “All Corvettes Are Red”– “The Soul Of A New Machine”– “To Engineer Is Human”
• Hands-on Lab Tomorrow – HI 208– READ TWTW, pp. 8-23
(or pp. 10-27 in 1st Ed.)
![Page 4: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/4.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 4Autumn Quarter
FEH Program Web Page
• The FEH program web page may be found at: http:// feh.eng.ohio-state.edu
• Read lab write-up Tonight!– Click on Labs Link on FEH Homepage
![Page 5: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/5.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 5Autumn Quarter
FEH Homepage
Labs
Labs
![Page 6: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/6.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 6Autumn Quarter
Engineering Design Process
• AS DEFINED BY BERTOLINE ET. AL.
• IDEATION• REFINEMENT• IMPLEMENTATION
• You will do it all in Lab this week
![Page 7: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/7.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 7Autumn Quarter
Design
• What is design?– PROCESS OF CONCEIVING OR INVENTING
IDEAS – Start w/ brainstorming for this lab• The Art of Design– DESIGN FOR FUNCTION AND PURPOSE
• The Practice of Engineering Design– PRODUCT DESIGN
![Page 8: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/8.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 8Autumn Quarter
Isometric Sketching – Example & Ellipses
Goals• A process for creating isometric drawings• A process for sketching ellipses for isometric
drawings
Reference• BTG Chapter 5
![Page 9: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/9.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 9Autumn Quarter
30o 30o
60o60o
Isometric Axis
Making an Isometric Sketch- Defining The Axis
![Page 10: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/10.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 10Autumn Quarter
DepthWidth
Height
Isometric Axis Convention
Making an Isometric Sketch- Axis Convention
![Page 11: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/11.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 11Autumn Quarter
Object for Practice
How would you sketch this object?
![Page 12: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/12.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 12Autumn Quarter
Front Face
Height
Width
Blocking in the Object– Begin with Front Face
Start with Isometric
Axis
![Page 13: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/13.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 13Autumn Quarter
Height
Depth
Side Face
Blocking in the Object– Add Side Face
![Page 14: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/14.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 14Autumn Quarter
Top FaceBlocking in the Object
– Add Top Face
![Page 15: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/15.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 15Autumn Quarter
Adding Detail – Cut Outs – Part 1
![Page 16: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/16.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 16Autumn Quarter
Adding Detail – Cut Outs– Part 2
![Page 17: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/17.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 17Autumn Quarter
Adding Detail – Cut Outs– Part 3
![Page 18: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/18.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 18Autumn Quarter
Darken Final Lines
![Page 19: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/19.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 19Autumn Quarter
Isometric ellipses
• In an isometric drawing, the object is viewed at an angle, which makes circles appear as ellipses.
• Holes
• Cylinders
![Page 20: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/20.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 20Autumn Quarter
Ellipses can be in any plane
![Page 21: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/21.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 21Autumn Quarter
Sketching an Isometric of a Hollow Pipe
![Page 22: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/22.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 22Autumn Quarter
Step 1 - Creating the Base Box
Diameter
Diameter
Length
![Page 23: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/23.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 23Autumn Quarter
Step 2 – Ellipse on Front Face
Lines to Tangent Points
- lines to tangent points
- corner to corner to get center
Tangent Points
![Page 24: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/24.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 24Autumn Quarter
Step 3 – Ellipse on Front Face
Tangent Points
Sketch in Arcs
![Page 25: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/25.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 25Autumn Quarter
Step 4 – Ellipse on Back Face and Profile
Draw Tangent Lines for ProfileComplete Visible Part of Back Ellipse
Repeat for ellipse on rear face
![Page 26: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/26.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 26Autumn Quarter
Step 5 – Ellipse for Hole on Front Face
Create Box for Hole
Sketch Ellipse
![Page 27: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/27.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 27Autumn Quarter
Isometric of Hollow Pipe
![Page 28: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/28.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 28Autumn Quarter
Defining Hidden and Center Lines
• Hidden Line – used to represent features that cannot be seen in the current view
• Centerlines – used to represent symmetry and to mark the center of circles and the axes of cylinders, and the axes of symmetrical parts, such as cylinders and bolts
![Page 29: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/29.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 29Autumn Quarter
Example
Visible LineCenter Line
Hidden Line
![Page 30: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/30.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 30Autumn Quarter
Precedence of Lines
VISIBLE LINE takes precedence over all other lines
HIDDEN LINE and CUTTING PLANE LINE take precedence over center lines
CENTER LINE does not have precedence
![Page 31: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/31.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 31Autumn Quarter
Example Application of Precedence
![Page 32: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/32.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 32Autumn Quarter
Engineering Drawings
• Drawing• Borderline and Title Block– Borderline – Space outside left blank so details
are not lost if the edge of the drawing is torn– Title Block – Information about who did the
drawing, when it was done, where it was saved
![Page 33: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/33.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 33Autumn Quarter
AutoCAD 2002
• A 2D drawing and 3D modeling package
• Will learn to use the software through a variety of guided exercises and homework assignments
• Today's Lesson– Geometric Construction Basics
![Page 34: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/34.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 34Autumn Quarter
AutoCAD Startup Screen
This is the opening screen for AutoCAD 2002This is the opening screen for AutoCAD 2002
![Page 35: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/35.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 35Autumn Quarter
AutoCAD Toolbars
Object Object Properties Properties
ToolbarToolbar
Standard Standard ToolbarToolbar
Pull-down Pull-down MenusMenus
Draw ToolbarDraw Toolbar
Modify ToolbarModify Toolbar
Graphics Graphics CursorCursor
Graphics Graphics WindowWindow
Command Command LineLineCursor Coordinate Cursor Coordinate
DisplayDisplay
![Page 36: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/36.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 36Autumn Quarter
Today’s Drawing
This is This is object object that that
will be will be drawn drawn todaytoday
![Page 37: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/37.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 37Autumn Quarter
AutoCAD Title Block
• For each drawing that you turn in, you will need to insert 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]
![Page 38: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/38.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 38Autumn Quarter
TB – Step 1Drawing Drawing
is is CompletComplet
ee
Layout1Layout1
![Page 39: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/39.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 39Autumn Quarter
TB – Step 2
Select OKSelect OK
![Page 40: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/40.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 40Autumn Quarter
TB – Step 3TITLEBLOCKTITLEBLOCK
Select OKSelect OKExplode - YesExplode - Yes
INSERT INSERT CommandCommand
![Page 41: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/41.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 41Autumn Quarter
TB – Step 4
Enter TitleEnter Title
EDIT CommandEDIT Command
Click on TextClick on Text
* Repeat for each * Repeat for each Field *Field *
![Page 42: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/42.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 42Autumn Quarter
TB - Complete
CompletCompleted ed
DrawingDrawing
Print Print PreviePrevie
ww
![Page 43: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/43.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 43Autumn Quarter
AutoCAD 2002 – Lesson 2
• Work through the lesson at your own pace• Ask questions as they come up• Once the Guide Plate is drawn and has a Title
Block, print it and turn it in.• Draw Exercise 2 – this will be Drawing 7• Think about what you are doing while you follow
the steps.• Goal - be able to draw without the book!!
![Page 44: Lecture 04A - Design Isometrics and Intro to AutoCAD](https://reader030.vdocument.in/reader030/viewer/2022020718/5514b8214a7959786f8b4658/html5/thumbnails/44.jpg)
Engineering H191 - Drafting / CAD
Gateway Engineering Education Coalition Lect 4 P. 44Autumn Quarter
Assignments
• Dwg 7 – Lesson 2, Exercise 2 (page 2-23)– Save as MOUNT BLOCK– Due at end of class today
• Dwg 8 – G15– Sketch a pictorial view of each object– Due at the beginning of the next lecture