University of Lahore, Mechanical Engineering Department Auto CAD

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Lecture 1, 2, 3 & 4

Introduction

Tray Toolbar

Snap Grid Ortho Polar OSNAP OTRACK

Coordinate System

a. Polar b. Absolute c. Relative

Draw Toolbar

Line Construction Line Polyline Spline Multiline Ray

Circle Arc Polygon Rectangle Ellipse Arc Ellipse

Standard Toolbar

Zoom, Save, Cut, Copy, Paste, Open New File, Undo, Redo

Modify Toolbar

Erase Copy Mirror Offset Move Rotate Trim Extend Fillet

Chamfer Array Join Scale Stretch Break Break at Point Explode

University of Lahore, Mechanical Engineering Department Auto CAD

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Exercise 1 & 2 Set the grid & Snap according to following

Grid

Sr. No.

Horizontal Spacing

Vertical Spacing

1 5 7

2 10 10

3 15 13

4 30 20

Snap

Sr. No.

Horizontal Spacing

Vertical Spacing

1 6 15

2 12 16

3 14 10

4 10 15

Exercise 3

Draw using relative coordinate system

University of Lahore, Mechanical Engineering Department Auto CAD

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Exercise 4, 5 & 6

Draw By using Polar coordinates

Draw by using Polar and Relative coordinates:

University of Lahore, Mechanical Engineering Department Auto CAD

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Exercise 7, 8, 9, 10

Circle, Rectangle, Fillet, Chamfer

University of Lahore, Mechanical Engineering Department Auto CAD

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University of Lahore, Mechanical Engineering Department Auto CAD

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Exercise 11, 12

Arc, Ellipse, Ellipse Arc

University of Lahore, Mechanical Engineering Department Auto CAD

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Exercise 13, 14, 15

Offset, Mirror, Array

University of Lahore, Mechanical Engineering Department Auto CAD

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Exercise 16, 17

University of Lahore, Mechanical Engineering Department Auto CAD

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University of Lahore, Mechanical Engineering Department Auto CAD

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