AutoCAD Tutorial

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AutoCAD Tutorial

• Instructor Dr. Karndee Prichanont
• Learning Objectives
• Refresh your memories in operating AutoCAD
• Practice on basic operations

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Reference

• You can view all materials from
  www.siit.tu.ac.th/karndee/course/autocad.html
• Textbook reference
• Title Computer-Aided Engineering Drawing Using
  AutoCAD Author Jensen, Helsel, and Voisinet
  1990
• Title Mastering AutoCAD Release 14 Author
  Cheng 1999

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Starting AutoCAD

• Double click on AutoCAD icon
• AutoCAD environment
• Drop-down menus
• Standard toolbar
• Specific toolbars
• The graphic area
• View tabs
• The command area
• The status area
• Command Entry
• Command area
• Menus
• Icons

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(No Transcript)
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File Operations

• File Operations
• New
• Save
• Open
• Tools / Display Image

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Setting Up Drawing Environment

• Drawing units Indicate metric unit in pop up
  window at start up
• ? Format / Units
• - Decimal units
• - Precision 0.00
• Limits
• ? Format / Drawing Limits
• In command area,
• Lower left corner 0,0
• Upper right corner 200,200 (example 20x20 cm)
• Viewing
• View / Zoom or select icons (zoom all) or
  (zoom window)
• View / Toolbar select frequent operations
• ? View / Regenerate/ Redraw to clear the clicked
  points

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Basic Operations (1)

• Coordinate systems
• Absolute coordinates
• Cartesian (X,Y) or
• Polar (RltAo)
• Relative coordinates
• Cartesian (_at_X,Y) or
• Polar (_at_RltAo)
• User defined coordinate system USC command -
  3points option

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Basic Operations (2)

• 2D drawing
• lines
• ? Select icon or type line
• click the starting point and ending point on the
  graphic area or
• type coordinates of these points
• Arcs
• ? Select icon or type arc
• select points or key in coordinates of the
  points according to requirements
• Other commands polyline (command pl) ,
  rectangle, circle, etc.

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Basic Operations (3)

• 3D Drawing
• ? Select menu Draw 3D objects
  sphere/box/cylinder/.. Then key in parameters
• ? Select icons key in parameters

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Basic Operations

• Snap modes( select endpoints, intersection)
• Select icons or click right hand side to obtain
  a float menu
• select suitable option
• Or go to Tools / Object Snap Settings
• Common modifying operations
• Erase type e then select object to erase
• Rotate type rotate or select menu Modify /
  Rotate
• Others offset, array,
• 2D object modifications Select modify select
  trim, break, extend, etc.
• 3D Object Modification select modify select
  extrude, union, etc.

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Practice 1
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Practice 2
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Submit the files

• Submit 2 practice files by 4 p.m. today to
  karndee_at_siit.tu.ac.th
• File name yourname_1.dwg and yourname_2.dwg
• Ex karndee_1.dwg and karndee_2.dwg
• State your name and student ID in the subject of
  email message