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Blueprint Reading for Welders


Synopsis


This hands-on, reader-friendly guide provides comprehensive, up-to-date coverage of welding symbols and their application to welding prints and practices. BLUEPRINT READING FOR WELDERS, Ninth Edition, uses step-by-step instructions and detailed illustrations to help you gain the knowledge and skills you need to interpret a wide range of working documents, from simple sketches to the most complex blueprints. The text covers auxiliary views, detail views, projections, sections, and detail and assembly drawings. Now updated and expanded, the new Ninth Edition features the latest AWS symbols and terms along with the ISO welding symbols,, current specifications and dimensioning practices, relevant industry developments, and cutting-edge information to support your professional success in this dynamic field.

A. E. Bennett, Louis J. Siy

Summary

Chapter 1: Introduction to Blueprint Reading

* Importance and purpose of blueprints in welding
* Types of blueprints: shop drawings, assembly drawings, detail drawings
* Understanding scales, dimensions, and symbols
* Example: Reading a simple shop drawing for a welding project

Chapter 2: Orthographic Projections

* Concept of orthographic projections: top, front, and side views
* Understanding the relationship between orthographic views
* Interpreting hidden lines and features
* Example: Sketching the orthographic views of a welded bracket

Chapter 3: Auxiliary Views

* Purpose of auxiliary views for showing hidden details
* Types of auxiliary views: revolved, projected, and sectioned
* Creating auxiliary views for complex shapes
* Example: Generating an auxiliary view to show the hidden weld profile of a pipe intersection

Chapter 4: Dimensions and Tolerances

* Reading linear dimensions, radii, and angles
* Understanding tolerances and their impact on welding
* Interpreting dimension lines, leaders, and extension lines
* Example: Determining the length and tolerance of a welded plate

Chapter 5: Weld Symbols and Specifications

* Introduction to ANSI/AWS welding symbols
* Interpreting arrow signs, reference lines, and weld type symbols
* Specifying weld size, length, and other details
* Example: Identifying the weld type and specifications from a blueprint

Chapter 6: Sections and Cross-Sections

* Concept of sections and cross-sections for showing internal features
* Identifying section lines, cutting planes, and crosshatching
* Interpreting section views to visualize hidden details
* Example: Reading a cross-section of a welded pipe joint to determine its internal weld profile

Chapter 7: Detail Drawings

* Purpose and characteristics of detail drawings
* Reading detail drawings for specific components or assemblies
* Understanding callouts, notes, and other annotations
* Example: Interpreting a detail drawing for a welded bracket, including dimensions, material specifications, and welding procedures

Chapter 8: Assembly Drawings

* Understanding assembly drawings for overall fabrication
* Identifying components, their relationships, and assembly sequences
* Interpreting assembly notes, part lists, and other annotations
* Example: Reading an assembly drawing for a welded frame, including the arrangement of multiple components and assembly instructions

Chapter 9: Application of Blueprint Reading

* Using blueprints to plan welding projects
* Interpreting welding symbols and specifications
* Creating welding sketches from blueprints
* Troubleshooting welding problems based on blueprint information
* Example: Planning and executing a welding project based on a blueprint, considering dimensions, weld types, and assembly requirements