Blueprint Reading
178 Chapter 7 ings, an assembly drawing provides the information the print reader needs to assemble the components. The bill of ...
Understanding Industrial Blueprints 179 Figure 7.14B An exploded assembly drawing and photograph of a Flexmaster expansion joint ...
180 Chapter 7 cessed or attachment bolts of those to be removed, and to provide detail information on components dis- assembled ...
Understanding Industrial Blueprints 181 Figure 7.15 Diagram showing how multiple parts fit together and a bill of material and p ...
182 Chapter 7 In mating parts the two main considerations are the surface finishing and the tolerance (especially size and geome ...
Understanding Industrial Blueprints 183 Figure 7.16 A typical screw thread with profile section and the terminology associated w ...
184 Chapter 7 Class 1A and 1B: for work of rough commercial quality where loose fit, quick assembly, and rapid production are i ...
Understanding Industrial Blueprints 185 Figure 7.19A Different types of screws and screw heads. Figure 7.19B Different types of ...
186 Chapter 7 Figure 7.19C Different types of screws and screw heads. Figure 7.20 A typical screw thread with the terminology an ...
Understanding Industrial Blueprints 187 Handedness. Almost all threaded fasteners tighten when the head or nut is rotated clockw ...
188 Chapter 7 Root. The root is the surface of the thread corresponding to the minor diameter of an external thread and the majo ...
Understanding Industrial Blueprints 189 Addendum Circle. The addendum circle (A) is the circle over the tops of the teeth. Outsi ...
190 Chapter 7 Pitch Circle. The pitch circle is the circle with the pitch diameter, the line (circle) of contact between two mes ...
Understanding Industrial Blueprints 191 Omit hidden lines unless absolutely necessary to describe the shape of the object. Cons ...
192 Chapter 7 Figure 7.22A Common types of helical springs. Figure 7.22B Typical helical spring nomenclature. ...
Understanding Industrial Blueprints 193 Avoid duplicating dimensions; use reference dimensions if necessary to duplicate. Dimen ...
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8 The Meaning of Symbols 8.1 GENERAL INFORMATION. Blueprint drawings—as applied to the building-construction industry—are genera ...
196 Chapter 8 Graphic symbols are often used on building plans to show elements such as gas and water service lines and window t ...
The Meaning of Symbols 197 The following figures show some of the most common standard symbols; during the course of your work y ...
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