iKNOW Mechanical Print Reading |
This library consists of 4 interactive, on-line lessons. These lessons take approximately 30 to 45 minutes to complete. |
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Topics:
Introduction
Assembly Drawings
The Title Block
The Parts List
The Notes
Detail Drawings
Objectives:
- Identify reasons for using drawings and blueprints.
- Recognize an assembly drawing and its components.
- Identify the parts of a Title Block.
- Identify the Parts List and its components.
- Recognize the different types of notes and their purpose.
- Recognize a detail drawing and its components.
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Prerequisites: Basic knowledge of assembly and detail is recommended.
Topics:
Introduction to Lines
Visible and Hidden Line
Phantom Lines
Three Break Lines
Other Lines
Objectives:
- Identify visible lines and hidden lines and what they represent.
- Describe three uses for phantom lines.
- Describe three different break lines and their function.
- Recognize center lines.
- Recognize dimension lines.
- Recognize cutting plane lines.
- Recognize extension lines.
- Recognize section lines.
- Recognize leader lines.
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Prerequisites: Basic knowledge of assembly and detail drawings and lines is recommended.
Topics:
Dimension and Extension Lines
Calculated Dimensions
Dimensions on Circular Features
Size Variations - Limits and Tolerances
Surface Finish Designations
Objectives:
- Recognize and define dimension lines.
- Recognize and define extension lines.
- Identify and measure dimensions on circular features.
- Use calculated dimensions.
- Demonstrate how calculated dimensions are used and why.
- Define and calculate tolerance.
- Define and calculate limits.
- Differentiate types of surface finish designations.
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Prerequisites: Knowledge of assembly and detail drawings, lines, and dimensions is recommended.
Topics:
Introduction to Orthographic Projection
First and Third Angle Projections
Pictorial Drawings
Sectional Views
Types of Sections
Threaded Fasteners
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.
- Identify thread designations.
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