Print Reading
- Blueprint Basics
- Importance of engineering drawings
- Types of graphic representation
- Basic steps in reading a print
- Types of Lines
- Visible line
- Hidden line
- Center line
- Extension line
- Dimension and leader lines
- Cutting plane and section lines
- Break line
- Phantom line
- Orthographic Projection
- Why use orthographic projection?
- The “glass box” visualization method
- The “bowl” visualization method
- First-angle vs. third-angle projection
- The Title Block
- A tour of the usual items found in the title block
- Sheet sizes
- Materials list
- General tolerances
- Drawing revision process
- Drawing notes
- Supplemental Views
- Auxiliary (angled) views
- Section views
- Removed views
- Detail and assembly drawings
- Dimensioning and Tolerancing
- Definitions
- Units (metric vs. inch)
- Fundamental dimensioning rules
- Limit dimensioning
- Plus/minus tolerances
- Special dimensioning symbols
- Introduction to GD&T
- Calculating dimensions / tolerance stacks
- Capability and statistics in tolerancing
- Manufacturing Specifications
- Screw threads
- Machining callouts
- Surface finish / roughness
- Special considerations for plastics and sheet metal
- Impact on tooling and inspection
- Wrap-up and Review of Drawings
- How prints are influenced by “math data”
- Review sample drawings
- Evaluations
