Orthographic Projections

In Mechanical

Details

Identify the use of orthographic projections in mechanical print reading.

Prerequisites

Knowledge of assembly and detail drawings, lines, and dimensions is recommended.

Description

This is the final lesson in the iKNOW™ Mechanical Print Reading Library. This lesson trains participants in the use of orthographic projections in mechanical print reading. Pictorial drawings and various views used in mechanical print reading are demonstrated. The lesson also discusses aspects of sectional views, threaded fasteners, and how to identify thread designations.

Objectives

Define an orthographic projection, Identify the purpose of an orthographic projection, Relate orthographic views to projections, Relate how first and third angle projections are used, Describe what a third angle looks like, Identify the symbol for each angle in the title block, Define the three types, characteristics, and uses of pictorial drawings: isometric, oblique and perspective, Recognize sectional views and define why sectional views are used, Identify the four types of sections, Describe three ways to represent the threads of threaded fasteners and Identify thread designations.

Contents

This is the final lesson in the iKNOW™ Mechanical Print Reading Library. This lesson trains participants in the use of orthographic projections in mechanical print reading. Pictorial drawings and various views used in mechanical print reading are demonstrated. The lesson also discusses aspects of sectional views, threaded fasteners, and how to identify thread designations.
  • Orthographic Projection

Curriculum

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