POLITEKNIK KOTA KINABALU, SABAH
JABATAN KEJURUTERAAN MEKANIKAL
SESI DISEMBER 2011
Syllabus: JJ101 – TECHNICAL DRAWING
1.0 INTRODUCTION TO ENGINEERING DRAWING
1.1 Engineering drawing
1.1.1 Explain the purpose and types of engineering drawing.
1.1.2 Identify the engineering drawing instrument and their uses.
1.1.3 Identify the standard in engineering drawing
1.1.3.1 Paper Size
1.1.3.2 Scale
1.1.3.3 Alphabet and number
2.0 BASICS OF GEOMETRICAL DRAWING
2.1 The basics of geometrical drawing
2.1.1 Draw the boundary line and title box according to standard.
2.1.2 Construct and divide an angle by using engineering drawing instrument.
2.1.3 Draw the geometrical shapes with various methods.
2.1.3.1 Circle
2.1.3.2 Triangle
2.1.3.3 Square
2.1.3.4 Polygon
2.1.3.5 Ellipse
3.0 TANGENT
3.1 The method to construct tangential lines by using compass and other drawing instruments.
3.1.1 Construct tangent line to a circle / curve
3.1.2 Draw tangent line to two or more circle / curve.
3.1.3 Construct a circle tangential to two straight lines.
3.2 The method to construct a tangential curve to two circles.
3.2.1 Draw the curve inside the circle
3.2.2 Draw the curve outside the circle.
3.3 The method to construct a curve tangential to an angle.
3.3.1 Construct a curve tangential to an angle.
4.0 GEOMETRIC DIMENSIONING AND TOLERANCING
4.1 The dimensioning and tolerance
4.1.1 Demonstrate the standard dimensioning for engineering drawings.
4.1.1.1 Size and location
4.1.1.2 Basic concepts
4.1.2 Determine the details of dimensioning
4.1.2.1 Dimensioning techniques
4.1.3 Explain the standard tolerance for engineering drawings.
4.1.3.1 Tolerance
4.1.3.2 Tolerance representation
4.1.3.3 Tolerance in CAD
5.0 ORTHOGRAPHIC PROJECTION
5.1 The concept of first and third angle orthographic projections.
5.1.1 Determine the views in orthographic projection.
5.1.1.1 Plan
5.1.1.2 Front
5.1.1.3 Side
5.1.2 Differentiate the types of orthographic projection.
5.1.2.1 First angle projection
5.1.2.2 Third angle projection
5.1.3 Dimension orthographic projection drawing according to standard.
5.1.4 Differentiate the relationship between dimensional drawing and working drawing.
6.0 AUXILIARY PROJECTION
6.1 The concept of auxiliary projection.
6.1.1 Explain the relationship between orthographic and auxiliary projection.
6.2 The various types of view in auxiliary projection.
6.2.1 Determine the various types of view in auxiliary projection.
6.2.1.1 Auxiliary plan projection
6.2.1.2 Auxiliary front projection
6.2.1.3 Auxiliary side projection
6.2.2 Dimension auxiliary projection drawing according to standard.
7.0 ISOMETRIC
7.1 Isometric view
7.1.1 Explain the relationship between an orthographic projection and object in 3-D form.
7.1.2 Identify the differences and similarity between orthographic projection and isometric view.
7.1.3 Draw isometric view according to the reference point and arrow direction on an orthographic drawing.
7.1.4 Dimension isometric view according to standard
8.0 DEVELOPMENTS
8.1 The basic concepts of developments.
8.1.1 Apply the various methods of developments.
8.1.1.1 Parallel line
8.1.1.2 Radial line
8.1.1.3 Triangulation
8.1.2 Explain the concept to determine the true length.
8.1.3 Construct the development using the methods given.
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