Inspection techniques Outline – 16 hours
Drawing Interpretation
- Fundamentals of Blueprint Reading
- Alphabet of Lines
- Dimensioning styles
- View orientation/layout
- Style of Specifying Tolerances (unilateral, plus/minus,etc)
- Review of GD&T Symbols and Tolerances Zones for each characteristic
- Surface Texture Symbols and Specifications
- Thread Callouts (inch/metric)
- Welding Callouts
Measuring and Gaging Tools / Applications
- Measuring Tools vs. Gages
- Surface Plates
- Reading a micrometer (vernier scale)
- Telescoping gage or inside micrometer
- Radius or fillet gages
- Screw pitch gage
- Depth micrometer
- Vernier height gage and its uses
- Measuring Angles
- Vernier Bevel protractor
- Sine Bars and Applications
- Sine Plates
- Thickness/feeler gages
- Small Hole gages
- Ring and Plug gages
- Snap gages
- Dial Indicator style height and calipers, etc
- Gage Blocks, usage, care, Wringing together
- Gage Pins
- Optical Flats
- Optical Comparators
Additional Inspection Considerations
- Uncertainty in Measurements
- Calibration of Instruments
- Instrument error
- All inspection done at 68 degrees F
Inspection Setup Examples
- Flatness
- Optically
- Straight edge method
- Height Gage, other methods
- Straightness
- Height gage and V-Blocks
- Roundness
- V-Blocks, Height gage and associated problems
- Roundness checking machine
- Cylindricity
- V-Blocks, height gage and associated problems
- Orientation Tolerances
- Perpendicular
- Parallellism
- Angularity
- Position Tolerancing and Inspection
- Verification – Use Unit 4 in GeoTol Pro book
- Paper Gaging
- Coordinate Measuring Machines
- Profile
- Profile of a Surface
- Optical Comparator Explanation
- Verification and inspection
- Data reporting
- Runout
- Setups and Tolerance Zones, Verification
Other Inspection Methods
- Coordinate Measuring Machines
- Scanning
- Air
- Electronic