Lecture Engineering drawing and design - Lecture 2: Introduction to engineering drawing. The following will be discussed in this chapter: Communication modes in engineering design, types of drawings, technical (engineering) drawing standards, orthographic projections. | Design web Design web Objectives for today ME 1110 – Engineering Practice 1 Engineering Drawing and Design - Lecture 2 Communication modes in engineering design Types of drawings Technical (engineering) drawing standards Orthographic projections 3rd and 1st Angle Projection Introduction to Engineering Drawing Prof Ahmed Kovacevic School of Engineering and Mathematical Sciences Room C130, Phone: 8780, E-Mail: 1 Ahmed Kovacevic, City University London 2 Ahmed Kovacevic, City University London Design web Introduction to Drawing Design web Types of engineering communication » Drawings and sketches Communicating – Traditional techniques – CAD » engineer to engineer » engineer to non-engineer » non-engineer to engineer » more than words 3 » Graphical communication – Technical illustrations, diagrams » Written communication » Oral communication Ahmed Kovacevic, City University London 4 Ahmed Kovacevic, City University London Design web Design web Engineering Graphics 3D Model Model » Physical or computer generated Technical illustration » Representation of part for non-technical person Technical sketch » Expression of ideas and preliminary designs 5 Ahmed Kovacevic, City University London 6 Ahmed Kovacevic, City University London Design web Design web Technical Illustration 7 Technical Sketching Ahmed Kovacevic, City University London 8 Ahmed Kovacevic, City University London Design web Design web Technical Drawing Technical Drawing - cont Assembly Drawings There are various types of technical drawing Design Sketches » parts +/or sub-assemblies = component / machine » Initial Ideas and Requirements » Calculations and Concepts Detail Drawings » information to make or purchase » Include shape, dimensions, tolerances, surface finish. Layout Drawings » development of initial design » used to create detailed or assembly drawings 9 Ahmed Kovacevic, City .