EngineeriEngineering ng

GraphicsGraphicsCADCAD

Self IntroductionSelf Introduction

I am K.J.Sabareesaan | Lecturer in M&I Section.

You can call me Mr.Sabari.

I will be available in Old Main stores staff Office

About the CourseAbout the CourseEngineering Graphics deals with

drawings.Manual Drawing. Computer Aided Drafting.

No much theory involved in CAD.

Need Practice … Practice… Practice…

Seating Seating

Sit according to your Computer number.

Marking will be done as per the roll number | Computer Number.

Do not change your computer till the end of semester.

Class ExerciseClass Exercise Individual Exercise ! You can start drawing only after my

instruction. Time is Mark !!!

For first 2 completion = 10 / 10 3-5 completion = 9.5 / 10 6-8 completion = 9.0 / 10 9-11 completion = 8.5 / 10 12-14 completion = 8.0 / 10 15-17 completion = 7.5 / 10 18- 20 completion = 7 / 10

General InstructionGeneral Instruction

Come to class in time. Late comers will loose their attendance.Attendance carry marks!Do not open your computer when I am

teaching.You are allowed to draw after my

lecture.Do not copy drawings in any forms.Zero mark will be given for malpractice

| copy.

QuizzesQuizzes

TWO quizzes will be conducted.Each carry maximum 10 marks.Questions will be asked from

AutoCAD commands from your handout | Lecture.

No repetition of quizzes.No quiz will be arranged for

absentees without proper permission.

AssessmentAssessment

Practical exersics = 80 %

Quizzes [2] = 20 %

CAD 50%

Passing Grade for this course : C- [60-66 ]

Setting Up The Drawing Setting Up The Drawing EnvironmentEnvironment

This normally involves a couple of steps.◦Defining the units◦Defining drawing limits◦Setting grid and snap dimensions

Note that you can redefine these items at anytime.

But you must do the settings at every time you open the AutoCAD

First Step…First Step…1. Command : Units then Press enter

2. Set to mm3. Command: Limits then Press enter

4. Lower left corner : 0,0 then Press enter

5. Upper Right Corner : 210,297 (A4 Sheet) then Press enter

6. Command: Zoom then Press enter

7. All then Press enter

8. Command: Grid : 10 then Press enter

9. Command:Snap: 10 then Press enter

Co ordinate SystemsCo ordinate Systems

1. Cartesian : X,Y Measures from Origin

2. Relative Cartesian : @X,Y(X & Y are distances from previously defined point)

3. Polar : L < (L – Length from origin ; – Angle from X axis )

4. Relative polar : @L < ø