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Junior Certificate Technical Graphics

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Tangent. Junior Certificate Technical Graphics. Semicircle. Normal. Diameter. Radius. Introduction or Tester Programme. Quadrant. Sector. Chord. Segment. Technical Graphics Communicates Information. Technical Graphics is a Universal L anguage. What is Technical Graphics. - PowerPoint PPT Presentation

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Page 1: Junior Certificate Technical Graphics
Page 2: Junior Certificate Technical Graphics

Junior Certificate Technical Graphics

Introduction or Tester Programme

SectorSemicircle

Quadrant

Segment

Diamete

r Radius

Normal

Tange

nt

Chord

Page 3: Junior Certificate Technical Graphics

Technical GraphicsCommunicates Information

Technical Graphics is a Universal Language

Page 4: Junior Certificate Technical Graphics

• Technical Graphics is one of the technology subjects offered at junior cycle.

• In Technical Graphics students use drawing equipment to create precise and accurate drawings.

• These drawings are used to communicate ideas or solve problems.

What is Technical Graphics

Page 5: Junior Certificate Technical Graphics

How to produce neat drawings of everyday items

How to represent 3-D objects on paper How to create models of objects on the

computer How to use freehand sketching, colouring

and shading to represent objects

What will I learn in Technical Graphics?

Page 6: Junior Certificate Technical Graphics

Communication skills Problem solving skills Computer skills Creative thinking skills

Skills developed in Technical Graphics

Page 7: Junior Certificate Technical Graphics

Communication Skills

Page 8: Junior Certificate Technical Graphics

Problem Solving Skills

Page 9: Junior Certificate Technical Graphics

Problem Solving Skills

Page 10: Junior Certificate Technical Graphics

Computer Skills

Page 11: Junior Certificate Technical Graphics

Creative Thinking Skill

Page 12: Junior Certificate Technical Graphics

Design Skills

Page 13: Junior Certificate Technical Graphics

Technical Graphics can be very useful in other subjects such as: Mathematics Construction Studies Materials Technology Wood Engineering Technology & Metalwork Junior & Leaving Certificate Technology Art

Is Technical Graphics Useful in Other Subjects?

Page 14: Junior Certificate Technical Graphics

Project Maths

Technical Graphics

The Relationship between …

Applications of Geometry and Problem

Solving

Technical Graphics

Project Maths

Page 15: Junior Certificate Technical Graphics

Ordinary Level◦Paper 2◦Leaving Certificate

Some Examples......

Page 16: Junior Certificate Technical Graphics
Page 17: Junior Certificate Technical Graphics

Higher Level◦Paper 2◦Leaving Certificate

Some Examples......

Page 18: Junior Certificate Technical Graphics
Page 19: Junior Certificate Technical Graphics

Some Examples......

Higher Level◦Paper 2◦Leaving Certificate

Page 20: Junior Certificate Technical Graphics
Page 21: Junior Certificate Technical Graphics

P

R

Q

Page 22: Junior Certificate Technical Graphics
Page 23: Junior Certificate Technical Graphics

Gridlines

Page 24: Junior Certificate Technical Graphics

From these exercises you will learn:

◦ The difference between construction lines and finish lines

◦ The importance of draftsmanship◦ The effect of shading and rendering on a drawing◦ What indexing is, and how it can assist

complicated drawings

Learning Aims and Objectives

Page 25: Junior Certificate Technical Graphics

Activity 1

Page 26: Junior Certificate Technical Graphics

Activity 1

Page 27: Junior Certificate Technical Graphics

Activity 2

Page 28: Junior Certificate Technical Graphics

Activity 2

Page 29: Junior Certificate Technical Graphics

Activity 3 & 4

Page 30: Junior Certificate Technical Graphics

Activity 3 & 4

Page 31: Junior Certificate Technical Graphics

Activity 5

Page 32: Junior Certificate Technical Graphics

1 2 3 4 5

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51234

Activity 5

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Activity 6

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Activity 6

Page 35: Junior Certificate Technical Graphics

Polygons

Page 36: Junior Certificate Technical Graphics

From these exercises you will learn:◦ The name and properties of various polygons◦ What indexing is, and how it can assist

complicated drawings◦ How to construct a Hexagon using a compass◦ How to construct an Octagon using a square and

a compass◦ That joining points in a different order can

produce different shapes◦ The importance of draftsmanship◦ The effect of shading and rendering on a drawing

Learning Aims and Objectives

Page 37: Junior Certificate Technical Graphics

Equilateral Triangle Square

Pentagon Hexagon Heptagon

Octagon Nonagon Decagon Circle

Polygons

Page 38: Junior Certificate Technical Graphics
Page 39: Junior Certificate Technical Graphics

Pentagons

Page 40: Junior Certificate Technical Graphics

Activity 7

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1

2

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5

Activity 7

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Activity 8

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5

Activity 8

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Activity 9

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1

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Activity 9

Page 46: Junior Certificate Technical Graphics

Hexagons

Page 47: Junior Certificate Technical Graphics

Activity 10

Page 48: Junior Certificate Technical Graphics

Set your compass at the required radius and do not change it.

12

3

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6

Activity 10

Page 49: Junior Certificate Technical Graphics

Activity 11

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Activity 11

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Activity 12

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Activity 12

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Activity 13

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Activity 13

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Activity 14

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Activity 14

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Activity 15

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Activity 15

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Activity 16

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Activity 16

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Activity 17

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Activity 17

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Activity 18

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Activity 18

Page 65: Junior Certificate Technical Graphics

Octagons

Page 66: Junior Certificate Technical Graphics

Activity 19

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1 2

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Activity 19

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Activity 20

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Activity 20

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Activity 21

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Activity 21

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Activity 22

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Activity 22

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Activity 23

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Activity 23

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Activity 24

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Activity 24

Page 78: Junior Certificate Technical Graphics

The Ellipse

Page 79: Junior Certificate Technical Graphics

From these exercises you will learn:◦ How to construct an ellipse using the trammel

method◦ How to construct an ellipse using the compass

method◦ Application of the ellipse in everyday life◦ The importance of draftsmanship◦ The effect of shading and rendering on a drawing

Learning Aims and Objectives

Page 80: Junior Certificate Technical Graphics

Ellipse

Ellipse

Cylinder

Ellipse

Cone

Page 81: Junior Certificate Technical Graphics

Ellipse: Applications

Inside an Atom

Page 82: Junior Certificate Technical Graphics

Activity 25 & 26

Page 83: Junior Certificate Technical Graphics

½ Minor AxisTrammel Method

½ Major Axis

Min

or A

xis

Major Axis

P A B

P

A

B

P

A

B

P

A

B

P

A

B

Activity 25

Page 84: Junior Certificate Technical Graphics

Major Axis

Min

or A

xis

Major Circle

Minor Circle

30°60°

½Major Axis

F2F1

Activity 26

Page 85: Junior Certificate Technical Graphics

Visualization Exercises

Page 86: Junior Certificate Technical Graphics

Activity 27

Page 87: Junior Certificate Technical Graphics

Activity 28

Page 88: Junior Certificate Technical Graphics

Activity 29

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Activity 30

Page 90: Junior Certificate Technical Graphics

4223

3334

2323

1313

Activity 31

Page 91: Junior Certificate Technical Graphics

1111

2311

3242

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Activity 32

Page 92: Junior Certificate Technical Graphics

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Activity 33

Page 93: Junior Certificate Technical Graphics

3

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Activity 34