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ENGR 2 Engineering Design Graphics

ENGR 2 Engineering Design Graphics. Tom Rebold. AutoCAD on Campus. Four copies in Back Row of BC208 Lab Business/Computer science building, 2 nd floor 4 computers on left side of row Hours: 8:30 AM to 10PM Mon-Thur Log in engr2, mpcls drop box is available

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ENGR 2 Engineering Design Graphics

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  1. ENGR 2 Engineering Design Graphics Tom Rebold

  2. AutoCAD on Campus • Four copies in Back Row of BC208 Lab • Business/Computer science building, 2nd floor • 4 computers on left side of row • Hours: 8:30 AM to 10PM Mon-Thur • Log in engr2, mpcls drop box is available • One copy in LS103 (Look for CRT display) • Open 8am – 8 pm usually • Four copies in PS205, back wall, on right

  3. Grading/Homework • Each drawing must have your name in it • I will grade only 1 exercise each week • Picked at random • Put all your files into a folder called • A2YourName (where 2 is the assign #) • Compress the folder (.zip file) • Drop into Drop Box • Also Print Each Drawing in B&W, staple, hand in • Late homework 30% off

  4. Lec 1: Getting Started (Ch1) 2D Construction (Ch2)

  5. Chapter 1 • Toolbars • Command Line • Command Tools • Drawing Units • Drawing Limits • Grid and Snap

  6. Toolbars • R-click on a toolbar to see which are active • Turn off and on toolbars • Move them around

  7. Commands and Tools • Command line • at bottom where you will enter commands • Resize • Command Tool • hover over icon on toolbar • name of command pops up • Can use mouse or command line to access tool

  8. Starting a new drawing • New drawing tool, File>New, type ‘new’ • Select Template: • acad for inches and ANSI dimensions • acadiso for millimeters and ISO dimensions • Name: File>SaveAs .dwg extension

  9. Starting a new drawing (cont) • Units: Format>Units • choose type (Arch/Engr/Dec) and precision • Limits: (turn on grid) Format>DrawingLimits • change to 8,5 • Zoom All • Grid and Snap • Tools>Drafting Settings can modify

  10. Sample Problems

  11. Sample Problems • Ex1-2 • Decimal units • Drawing limits = 594,420 • Grid = 25 • Snap = 12.5

  12. Chapter 2 • Line—Random (DYN off) • Click mouse, c(lose) or enter when done, R-click repeat • Erase—select individual or window group • Line—Snap (Grid and Snap to 0.5) • Line—Entering coordinates • Type in 4,5 (enter) 3,6 … • Line—Dynamic Input • enter distance (tab or <) angle • Construction Line

  13. Chapter 2 (cont) • Circle • Center Point and Radius or (d) Diameter • Two points: 2p then end points of diamter • Three points: 3p then enter 3 points • TTR: first draw 2 lines, then Circle, ttr, click on each, specify radius • Circle Centerlines: • Bring up Dimension Menu, click Center Mark and a circle • Then select Dimension Styles (on R) and Modify, Sybmols/Arrows, Check line • Polyline • Spline • Ellipse • Rectangle • Polygon

  14. Chapter 2 (cont) • Point • Text • Move • Copy • Offset • Mirror • Array • Rotate, trim, extend, break, chamfer, fillet, table

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