AutoCAD 2007 Tutorial

AutoCAD® 2007 Tutorial First Level: 2D Fundamentals

Text by

Randy H. Shih Oregon Institute of Technology MultiMedia CD by INSIDE:

Jack Zecher Indiana University Purdue University Indianapolis

MultiMedia CD by Jack Zecher

SDC

PUBLICATIONS

An audio/visual presentation of the tutorial exercises

Schroff Development Corporation www.schroff.com

www.schroff-europe.com

AutoCAD® 2007 Tutorial: 2D Fundamentals

Table of Contents Preface Acknowledgments

Introduction

Getting Started Introduction Development of Computer Geometric Modeling Why Use AutoCAD® 2007 Getting started with AutoCAD® 2007 AutoCAD® 2007 Screen Layout Pull-down Menus Standard Toolbar Object Properties Toolbar Graphics Window Graphics Cursor or Crosshairs Command Line Area Draw Toolbar and Modify Toolbar Mouse Buttons [Esc] - Canceling Commands On-Line Help Leaving AutoCAD® 2007 Creating a CAD File Folder

Intro-2 Intro-2 Intro-5 Intro-7 Intro-8 Intro-9 Intro-9 Intro-9 Intro-9 Intro-9 Intro-9 Intro-10 Intro-10 Intro-11 Intro-11 Intro-12 Intro-13

Chapter 1

AutoCAD® Fundamentals Introduction Starting Up AutoCAD® 2007 Drawing Units Setup Drawing Area Setup Using the LINE Command Visual Reference GRID On DYN Off SNAP On Using the ERASER Command Repeat the Last Command The CAD Database and the User Coordinate System Changing to the 2D UCS Icon Display

1-2 1-2 1-4 1-5 1-6 1-10 1-10 1-11 1-11 1-13 1-14 1-15 1-16

i

ii


Cartesian and Polar Coordinate Systems Absolute and Relative Coordinates Defining Positions The Guide Plate Creating Circles Saving the CAD Design Exit AutoCAD® Questions Exercises

1-17 1-18 1-18 1-19 1-23 1-25 1-26 1-27 1-28

Chapter 2

Basic Object Construction and Dynamic Input Introduction Starting Up AutoCAD® 2007 Dynamic Input The RockerArm Design Activate the Startup Option Drawing Units Display Setup GRID and SNAP Intervals Setup Drawing Area Setup Referencing the World Coordinate System Creating Circles Object Snap Toolbar Using the LINE Command Creating TTR Circles Using the TRIM Command Using the Polygon Command Creating a Concentric Circle Saving the CAD File Exit AutoCAD® Questions Exercises

2-2 2-2 2-3 2-6 2-7 2-9 2-9 2-10 2-12 2-12 2-13 2-14 2-17 2-19 2-21 2-23 2-24 2-25 2-26 2-27

Chapter 3

Geometric Construction and Editing Tools Introduction The Gasket Design Starting Up AutoCAD® 2007 Drawing Units Display Setup GRID and SNAP Intervals Setup Using the LINE Command Object Snap Toolbar Using the EXTEND Command

3-2 3-2 3-3 3-4 3-5 3-6 3-8 3-11


Using the TRIM Command Creating a TTR Circle Using the FILLET Command Converting Objects into a Polyline Using the OFFSET Command Using the EXPLODE Command Create Another FILLET Saving the CAD File Exit AutoCAD® Questions Exercises

3-12 3-13 3-14 3-15 3-16 3-17 3-17 3-18 3-18 3-19 3-20

Chapter 4

Object Properties and Organization Introduction The Floor Plan Design Starting Up AutoCAD® 2007 Using the Setup Wizard Drawing Units Setup Reference Area Setup GRID and SNAP Intervals Setup Using the Zoom All Command The AutoCAD® Multiline Command Drawing Multilines Creating Interior Walls Joining the Walls Using Multiline Edit Using Layers and Object Properties Using Zoom Realtime Modeling the Bathroom Controlling Layer Visibility Adding a New Layer Moving Objects to a Different Layer Questions Exercises

4-2 4-2 4-3 4-3 4-4 4-4 4-5 4-6 4-6 4-9 4-10 4-13 4-15 4-18 4-18 4-21 4-21 4-22 4-24 4-25

Chapter 5

Orthographic Views in Multiview Drawings Introduction The Locator Design The Locator Part Starting Up AutoCAD® 2007 GRID and SNAP Intervals Setup Layers Setup

5-2 5-2 5-3 5-3 5-4 5-5

iii

iv


Drawing Construction Lines Using the Offset Command Set Layer Object as the Current Layer Using the Running Object Snaps Creating Object Lines Turn OFF the Construction Lines Layer Adding More Objects in the Front View AutoCAD®’s AutoSnap TM and AutoTrack TM features Adding More Objects in the Top View Drawing Using the Miter Line Method More Layers Setup Top View to Side View Projection Completing the Front View Saving the CAD file Questions Exercises

5-6 5-6 5-8 5-8 5-10 5-11 5-11 5-12 5-14 5-18 5-20 5-21 5-23 5-25 5-26 5-27

Chapter 6

Basic Dimensioning and Notes Introduction The Bracket Design Starting Up AutoCAD® 2007 Change the Background Color of the Graphics Window GRID and SNAP Intervals Setup Layers Setup The Bracket Design Drawing Construction Lines Using the Offset Command Set Layer Object_Lines as the Current Layer Creating Object Lines Creating Hidden Lines Creating Center Lines Turn OFF the Construction Lines Using the FILLET Command Saving the Completed CAD Design The Dimension Toolbar Using Dimension Style Manager Dimensions Nomenclature and Basics Using the Center Mark Command Adding Linear Dimensions Adding an Angular Dimension Adding Radius and Diameter Dimensions Using the SINGLE LINE TEXT Command Adding Special Characters Saving the Design

6-2 6-2 6-3 6-4 6-5 6-5 6-7 6-8 6-8 6-10 6-10 6-11 6-12 6-12 6-13 6-14 6-15 6-15 6-16 6-19 6-20 6-21 6-22 6-23 6-25 6-25


A Special Note on Layers Containing Dimensions Questions Exercises

6-25 6-27 6-28

Chapter 7

Templates and Plotting Introduction The Geneva Cam Design Starting Up AutoCAD® 2007 Setting Up the Plot Style Mode Starting a New File GRID and SNAP Intervals Setup Layers Setup Adding Borders and Title Block in the Layout Create a Template File Exit AutoCAD® 2007 Starting Up AutoCAD® 2007 The Geneva Cam Drawing Drawing Construction Lines Creating Object Lines Using the Offset Command Using the Mirror Command Using the Array Command Creating a Viewport Inside the Title Block Viewport Properties Hide the Viewport Borders Adjusting the Dimension Scale Plot/Print the Drawing Questions Exercises

7-2 7-2 7-3 7-4 7-6 7-7 7-8 7-8 7-11 7-13 7-13 7-14 7-15 7-16 7-17 7-19 7-20 7-22 7-23 7-24 7-24 7-26 7-28 7-29

Chapter 8

Auxiliary Views and Editing with GRIPS Introduction The V-Block Design Starting Up AutoCAD® 2007 The V-Block Example Setting up the Principal Views Setting Up the Top View Using the Offset Command Creating Object Lines in the Front View Setting the POLAR TRACKING Option Setting Up the Auxiliary View

8-2 8-2 8-3 8-4 8-4 8-6 8-8 8-10 8-11 8-14

v

vi


Aligning the Auxiliary View to the Front View Creating the V-Cut in the Auxiliary View Creating the V-Cut in the Front-View and Top-View Setting the POLAR TRACKING Option Completing the Top-View Edit the Plot Style Table Questions Exercises

8-15 8-15 8-18 8-20 8-20 8-24 8-26 8-27

Chapter 9

Section Views Introduction The Bearing Design Starting Up AutoCAD® 2007 The Bearing Example Setting Up the Principal Views Creating Object Lines in the Front-View Editing the Circles Setting Up the Side-View Adding Hidden Lines in the Side-View Changing the Linetype Scale Property Stretching and Moving Objects with GRIPS Drawing a Cutting Plane Line Converting the Side-View into a Section View Adding Section Lines Questions Exercises

9-2 9-2 9-3 9-4 9-4 9-6 9-8 9-9 9-11 9-13 9-14 9-15 9-17 9-19 9-22 9-23

Chapter 10

Assembly Drawings and Blocks Introduction The Shaft Support Subassembly Additional Parts (1) Cap-Screw (2) Collar (3) Base-plate Starting Up AutoCAD® and Loading Multiple Drawings Using AutoCAD® with the Internet Rearrange the Displayed Windows Defining a Block Inserting a Block Starting the Assembly Drawing Copying and Pasting with the Windows Clipboard

10-2 10-3 10-3 10-3 10-4 10-4 10-5 10-6 10-7 10-8 10-10 10-11 10-12


Converting the View into a Section View Adding the Bearing to the Assembly Drawing Adding the Cap-Screws to the Assembly Drawing Questions Exercise

Index

10-13 10-15 10-19 10-22 10-23

vii

viii


NOTES:

AutoCAD 2007 Tutorial

Recommend Documents