Introduction to Technical Drawing
Lesson1: Drawing Equipment and Instruments
- Introduction
- Drawing Equipment
- Drawing paper
- Drawing board
- The T-square
- The Drawing pencil
- The scale ruler
- Drawing set squares
- The pencil compass
- The divider
- The protractor
- The eraser
Lesson 2: Linework and Lettering
- Introduction
- Application of the alphabet of lines Adding linear dimensions
- Lines
- Printing of letters, figures and symbols
- The title block
Lesson3: Geometrical concepts and constructions
- Introduction
- Dimensioning in drawing
- Geometrical concepts
- Geometrical constructions
- Geometrical plane figures
- Geometrical solid bodies
Lesson 4: Freehand Sketching
- Introduction
- Freehand sketching
- Basic movements for freehand sketching
- The block method
- Use of the block method
Lesson 5: The Layout of Drawings
- Introduction
- The use of different scales
- Layout a working drawings
- Planning and executing a drawing
Lesson 6: Isometric Drawings
- Introduction
- Layout of drawings
- Isometric Drawings
- The Isometric circle
- Block method
Lesson 7: Orthographic projection
- Introduction
- Elements of projection
- Projection planes
- Project methods
- Apply first-angel orthographic angels
- Apply third-angle orthographic angles
Lesson 8: Sectioning
- Introduction
- Outside and Sectional views of objects
- Sectional cutting planes
- Sectioning and Hatching
- Conventional representations
- Sectional Drawings
- Sectional Detail Drawings
Lesson 9: Conventional Representation
- Introduction
- Drilled and tapped holes
- Studs and Hexagonal bolts
- Springs
- Breaks of large components
- Welded Joints
- Fasteners
Lesson 10: Assembly Drawings
- Introduction
- Introduction
- Sections and Hatching of Assembly Drawings
- Typical Assembly Drawing
- How to draw an assembly drawing
Lesson 11: Pipe Drawings
- Introduction
- Kinds of Pipes
- Pipe Joints and fittings
- Pipe Drawings and symbols