Engineering Design Graphics
Sketching, Modeling and Visualization

About The Author:

Professor James Leake teaches industrial and enterprise systems engineering at the University of Illinois.  Professor Leake served as a naval architect in the Pacific Northwest for 10 years and is a registered engineer in naval architecture in Washington.  His current research interests include engineering education, integration of CAD/CAE software in the engineering curriculum, spatial visualization, and reverse engineering

Table of Contents:

Chapter 1 – Engineering Design.

• Introduction.
• Aspects of engineering design.
• Analysis and design.
• Product anatomy.
• Design phases.
• Design process overview.
• Needs assessment.
• Problem definition.
• Background research.
• Design criteria.
• Design constraints.
• Alternative solutions.
• Analysis.
• Evaluation and selection.
• Specification.
• Communication.
• Written reports.
• Recommended report writing steps.
• Oral presentations.
• Concurrent engineering.
• Design for manufacture and assembly.
• Teamwork.

Chapter 2 – Sketching and Other Concepts.

• Introduction.
• Sketching tools and materials.
• Sketching techniques.
• Line techniques.
• Sketching straight lines.
• Sketching circles.
• Sketching ellipses.
• Proportioning.
• Estimating dimensions of actual objects.
• Partitioning lines.
• Instrument usage - Triangles.
• Parallel lines.
• Perpendicular lines.
• Instrument usage - Scales.
• Introduction.
• Engineers scale.
• Engineers scale example.
• Architects scale.
• Architect’s scale example.
• Mechanical scale.
• Mechanical scale example.
• Metric scale.
• Metric scale example 1.
• Metric scale example 2.
• Line styles.

Chapter 3 – Planar Projections & Pictorial Views.

• Planar Projections.
• Introduction.
• Classification of planar projections: projector characteristics.
• Preliminary definitions.
• Block coefficient.
• Classification of planar projections: orientation of object with respect to
• projection plane.
• Further distinctions between parallel and perspective projections.
• Classes of parallel projections.
• Oblique Projections.
• Oblique projection geometry.
• Oblique projection angle.
• Classes of oblique projections.
• Oblique projection angle in 2D.
• Receding axis angle.
• Orthographic Projections.
• Orthographic projection geometry.
• Orthographic projection categories.
• Axonometric projections.
• Isometric projections.
• Isometric drawings.
• Multiview projections.
• Introduction to Pictorial Sketching.
• Oblique Sketches.
• Introduction.
• Axis orientation.
• Receding axis scale.
• Object orientation guidelines.
• Sketching procedure for a simple extruded shape.
• Step-by-step cabinet oblique sketch example for a cut block.
• Step-by-step cavalier oblique sketch example for object with circular features.
• Isometric Sketches.
• Introduction.
• Axis orientation.
• Isometric scaling.
• Isometric grid paper.
• Object orientation guidelines.
• Step-by-step isometric sketch example for a cut block.
• Circular features in an isometric view.
• Step-by-step isometric sketch example for a cylinder.
• Step-by-step isometric sketch example for a box with holes on three faces.
• Step-by-step sketch example for object with circular features.
• Chapter review: pictorial sketching scalability.

Chapter 4 – Multiviews.

• Multiview Sketching.
• Introduction – justification and some characteristics.
• Glass box theory.
• Alignment of views.
• Transfer of depth.
• View selection.
• Third and first-angle projection.
• Line conventions.
• Multiview drawing of a cylinder.
• Line precedence.
• Generic three multiview sketch procedure.
• Step-by-step multiview sketch example.
• Intersections and tangency.
• Fillets and rounds.
• Machined holes.
• Conventional representations: rotated features.
• Step-by-step multiview sketch example: object with complex features.
• Visualization Techniques for Multiview Drawings.
• Introduction and motivation.
• Treatment of common surfaces.
• Normal surfaces.
• Inclined surfaces.
• Oblique surfaces.
• Projection studies.
• Adjacent areas.
• Surface labeling.
• Similar shapes.
• Vertex labeling.
• Analysis by feature.
• Missing line and missing view problems.

Chapter 5 – Auxiliary and Section Views.

• Auxiliary Views.
• Introduction.
• Definitions.
• Auxiliary view projection theory.
• Auxiliary views: Three cases.
• General sketching procedure for finding a primary auxiliary view.
• Finding a primary auxiliary view of an contoured surface.
• Sectional Views.
• Introduction.
• Sectional view process.
• Section lining (hatch patterns).
• Full sections.
• Half sections.
• Offset sections.
• Broken out sections.
• Revolved sections.
• Removed sections.
• Conventional representations: sectional views.
• Conventional representations: thin features.
• Section view construction process.
• Conventional representations: aligned sections.
• Assembly sectional views.

Chapter 6 – Dimensioning and Tolerancing.

• Dimensioning.
• Introduction.
• Units of measurement.
• Application of dimensions.
• Terminology.
• Reading direction for dimensional values.
• Arrangement, placement and spacing of dimensions.
• Using dimensions to specify size and locate features.
• Symbols, abbreviations, and general notes.
• Dimensioning rules and guidelines.
• Prisms.
• Cylinders and arcs.
• Tolerancing.
• Introduction.
• Definitions.
• Tolerance declaration.
• Tolerance accumulation.
• Mated parts.
• Basic hole system: English units.
• Step–by–step tolerance calculation of a clearance fit using the basic hole system.
• Step–by–step tolerance calculation of an interference fit using the basic hole system.
• Basic shaft system: English units.
• Step–by–step tolerance calculation of a clearance fit using the basic shaft system.
• Preferred English limits and fits.
• Step–by–step tolerance calculation using English unit fit tables, basic hole system.
• Step– by–step tolerance calculation using English units fit tables, basic shaft
• Preferred Metric limits and fits.
• Step–by–step tolerance calculation using Metric fit tables, hole basis.
• Step–by–step tolerance calculation using Metric fit tables, shaft basis.
• Tolerancing in CAD.
• Finish marks.

Chapter 7 – Computer-Aided Product Design Software.

• Introduction.
• Computer-aided design.
• Categories of CAD systems.
• Computer-aided drawing.
• Surface modeling.
• Parametric representation of a curve.
• Computer-aided industrial design (CAID).
• Solid modeling.
• Parametric modeling.
• CAD viewing and display.
• Parametric Modeling Software.
• Introduction.
• Terminology.
• Part modeling.
• Introduction.
• Sketch mode.
• Feature creation.
• Part creation process.
• Part editing.
• Assembly modeling.
• Introduction.
• Degrees of freedom.
• Assembly constraints.
• CAD libraries.
• Advanced modeling strategies.
• Building information modeling (BIM).
• Downstream Applications: CAD/CAM/CAE Integration.
• Overview.
• Downstream Applications: Rapid Prototyping.
• Introduction.
• Technology overview.
• STL files.
• Characteristics of RP systems.
• 3D printing.

Chapter 8 – Working Drawings.

• Introduction.
• The impact of technology on working drawings.
• Detail drawings.
• Assembly drawing views.
• Bill of materials and balloons.
• Sheet sizes.
• Title blocks.
• Borders and zones.
• Revision blocks.
• Drawing scale.
• Tolerance notes.
• Standard parts.
• Extracting a detail drawing from a parametric part model.
• Using existing part models to create an assembly model.
• Extracting a sectioned assembly drawing.
• Creating an exploded view.
• Creating an exploded view drawing with parts list and balloons.

Chapter 9 – Product Dissection, Reverse Engineering and Redesign.

• Introduction.
• Product dissection versus reverse engineering.
• Product suitability.
• Product dissection procedure.
• Pre-dissection analysis.
• DissectionMSR portable water filter disassembly steps.
• Product documentation.
• Product analysis.
• Product improvement.
• Reassembly.
• Communication.

Appendix A - Perspective Projections & Sketches.

• Perspective Projection.
• Historical development.
• Perspective projection characteristics.
• Classes of perspective projection.
• Vanishing points.
• One-point perspective projection.
• Two-point perspective projection.
• Three-point perspective projection.
• Perspective projection using a 3D CAD system.
• Perspective projection variables.
• Projection plane location.
• Lateral movement of CP.
• Vertical movement of CP.
• Varying distance from CP.
• Perspective Sketches.
• Introduction.
• Terminology.
• One-point perspective sketches.
• Two-point perspective sketches.
• Proportioning Techniques.
• Step-by-step one-point perspective sketch example.
• Step-by-step two-point perspective sketch example.
• Orientation of pictorial sketching axes.

Soft-cover, 352 pages
Published 2008

ISBN: 978-0-471-76268-3