Computer and Engineering Graphics

1. list basic standards in the field of technical drawings.
2. repeat freehand sketching of horizontal, vertical and slanted lines and basic shapes. Ability to recognize and decompose complex to primitive bodies. Freehand isometric sketching of primitive bodies and complex bodies consisted of primitive ones.
3. select appropriate viewing direction and determine projections required for its overall representation. Ability to make freehand projections of a simple machine part and its isometric drawing.
4. select and make freehand section view appropriate for simple machine part. Ability to combine several different types of sections.
5. recognize situations and apply rules and recommendations for representations of various shapes.
6. analyze simple machine part and perform dimensioning based on assumed manufacturing process.
7. recognize and distinguish between dimension tolerances and fits.
8. produce and outfit part and assembly drawings.
9. differentiate between capabilities and purpose of certain CAD systems, especially between approach to 2D and 3D.
10. combine theoretical knowledge with usage of CAD systems.

Lectures to one joint group during the semester.

Design exercises in groups of 12-15 students.

Individual work on LMS system.

Individual work on exercise book.

1. Lectures: The notion of projecting, projection types. Orthogonal projecting on two and more planes. Projecting of point, straight line and plane. Seminar: Basics of orthogonal projecting, freehand sketching, projection analysis.
2. Lectures: Mutually positions: point on straight line, straight line and point in plane. Disposition of projections. Seminar: Basics of orthogonal projecting, freehand sketching, synthesis of projections. Assessment.
3. Lectures: Cross sections of cylinder, cone and sphere with projecting plane. Seminar: Axonometric representation, freehand sketching of isometric view.
4. Lectures: Standardization and standards; types of lines, technical letters, drawing formats, drawing scales. Seminar: Sketching of orthogonal and isometric projections of machine parts - individual exercise.
5. Lectures: Basic notions and projecting rules, ISO 128. Axonometric representation. Seminar: Sketching of orthogonal and isometric projections of machine parts - individual exercise.
6. Lectures: Freehand sketching in orthogonal projection. Recommendations for representations of various shapes; simplifications. Seminar: Sketching of orthogonal and isometric projections of machine parts - individual exercise.
7. Lectures: Preliminary exam 1: Orthogonal projections, isometric view. Dimensioning‚ ISO 129 - technological approach. Seminar: Sketching of orthogonal projections (and cross section) of simple machine assembly - individual exercise.
8. Lectures: Dimensioning‚ ISO 129. Seminar: Sketching of orthogonal projections (and cross section) of simple machine assembly - individual exercise.
9. Lectures: Dimensioning‚ ISO 129. Surface finish symbols. Seminar: Simple machine assembly - freehand isometric view.
10. Lectures: Assembly drawings. Freehand sketching of isometric view. Basics of computer graphics. 2D curves, coordinate systems, transformation matrix, projections. Seminar: Simple machine assembly - freehand isometric view.
11. Lectures: Using of computers in working out (preparing) the technical documentation Computer aided drafting. Seminar: Introduction to 2D CAD system. Coordinate systems, basic drawing entities, interface - assistant supervised.
12. Lectures: Preliminary exam 2: Formal knowledge in technical drawing. A survey of computer graphics application areas in engineering. Seminar: Creating of machine part manufacture drawing, using 2D CAD system -individual exercise.
13. Lectures: Dimension tolerances and fits on manufacture and assembly drawings. Seminar: Creating of machine part manufacture drawing, using 2D CAD system -individual exercise.
14. Lectures: Preliminary exam 2: Dimensioning for manufacturing. Geometric tolerances; symbols on technical drawings. Seminar: Finishing of technical drawings and submission.
15. Lectures: Outfitting the technical documentation. Examples Seminar: Finishing of technical drawings and submission.