Guide to the Standards and Conventions of Graphic Representa

CollectionCursus ISBN9782553016707 EditeurPresses internationales Polytechnique pages56 Parution2013-07-03
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The purpose of this book is to provide a structured, fully illustrated explanation of the basic standards and conventions governing technical drawing. The approach - one topic per page - is simple and effective, giving an overview of each topic addressed, and of the information provided, at a glance.
The Guide contains the basic definitions and conventions of technical drawing, the conventional shape description, sectional views, dimensioning, thread symbols and their specifications.
An essentially visual tool in a convenient spiral notebook format, the Guide is a compilation of techniques and instructions to help readers improve their skills in the graphic definition of objects, including products, components, and even buildings,
in accordance with the standards and conventions of technical drawing. It is a concise, up-to-date reference manual, which fully conforms to the principal Canadian and international technical drawing standards.


This booklet is primarily intended for undergraduate engineering students, but community college students and drafting trainees will also find it useful, as it can be used as a reference manual in any course requiring a knowledge of technical drawing. Professional engineers, as well as designers and draftsmen and women working in industry, will find it an excellent reference.
André Cincou, an engineer, is a Teaching Professor in the Department of Mechanical Engineering at Polytechnique Montréal, where he coordinates the computer-assisted engineering drawing course and is actively involved in the mechanical system modeling course. He holds Bachelor's and Master's degrees in civil engineering from this institution, and for a number of years has been interested in developing new teaching methods, among them, educational software on orthographic projection and spatial visualization.


CHAPTER 1 Drawing Conventions and Practices
Instrumental Drawing vs. Sketching
Technical Lettering
Types of Lines and Line Thickness
Hidden and Center Line Conventions

CHAPTER 2 Conventional Shape Description
Multiview Projection
Systematic Arrangement of Views
Precedence of Lines
Isometric Drawing vs. Isometric Projection
Hidden Lines in Isometric Drawings
Graphic Signature of Normal, Inclined and Oblique Surfaces
Structured Resolution Method for Problems with Two Complete Views
Curved Surfaces
Types of Machined Holes
Intersections and Tangencies
Rough and Finished Surfaces
Conventional Fillets, Rounds, and Runouts

CHAPTER 3 Sectional Views and Conventions
Obtaining a Section View
Standard Cutting-Plane Lines and Section Lining
Full Section, Offset Section, Aligned Section, and Half Section
Web in Section View, Broken-Out Section, Revolved Section and Removed Section
Intersections and Conventional Breaks

CHAPTER 4 Dimensioning
Basic Rules for Dimensioning
Dimensioning Holes, Radii, Cylinders, and Bolt Circles
Contour Dimensioning: Size and Location Dimensions

CHAPTER 5 Thread Symbols and Specifications
Bolts, Screws, and Nuts Proportions
Unified Thread Symbols and Specifications
Metric Thread Symbols and Specifications

CHAPTER 6 Design and Working Drawings
Isometric Exploded Assembly Drawing
Detail Drawing
Assembly Drawing
Construction Drawing

Decimal Equivalents of Parts of an Inch
Standard Scales Used in Drawings