SS3 First Term Technical Drawing Lesson Note and Scheme of Work

Week 1: Introduction to Technical Drawing

Overview of technical drawing principles.

Explanation of basic drawing tools and their uses.

Practice exercises on line types and freehand drawing.

Week 2: Geometric Constructions

Introduction to geometric constructions.

Practical sessions on bisecting lines and angles.

Application of compass and straightedge in construction.

Week 3: Orthographic Projection

Understanding orthographic projection.

Drawing and interpreting multi-view drawings.

Practical exercises on creating orthographic projections.

Week 4: Isometric Drawing

Introduction to isometric drawing.

Practice sessions on creating isometric sketches.

Applying isometric drawing in representing 3D objects.

Week 5: Sectional Views

Explanation of sectional views in technical drawings.

Drawing sectional views of simple objects.

Class discussions on the importance of sectional views.

Week 6: Auxiliary Views

Understanding auxiliary views.

Drawing auxiliary views to clarify complex shapes.

Practical application of auxiliary views in engineering.

Week 7: Pictorial Drawing

Introduction to pictorial drawing techniques.

Drawing objects using different pictorial methods (oblique, perspective).

Comparison and analysis of different pictorial techniques.

Week 8: Dimensioning

Importance of accurate dimensioning in technical drawings.

Practical exercises on dimensioning.

Reviewing and correcting dimensioned drawings.

Week 9: Computer-Aided Design (CAD) Basics

Overview of CAD software.

Basic functions and tools in CAD.

Hands-on experience with simple CAD projects.

Week 10: Introduction to Mechanical Drawing

Explanation of mechanical drawing concepts.

Drawing machine components and assemblies.

Group project: Design and draw a simple mechanical system.

Week 11: Revision Week

Review of key concepts covered in previous weeks.

Q&A sessions for clarification.

Practice tests and solving past technical drawing problems.

Week 12: Examination Week

Conducting the technical drawing examination.

Ensuring adherence to examination protocols.

Collecting and grading examination papers.

Week 13: School Dismissal Week

Recap of the technical drawing course.

Distribution of graded examination papers.

Final remarks and encouragement for further exploration of technical drawing.