Principles of Metrology

20 hours

This is an introductory course on precision measurement instruments used in a machine shop. The course will include practical instruction in the use and care of the following instruments: English and metric outside micrometers and slide verniers, inside and outside calipers, hole gages, surface plates, height gages, dial and dial-test indicators, gage blocks, sine bar, and optical comparator. Instruction will include methods used to measure screw threads.

• Theory and Practice
  · Outside Micrometer calipers
  · Depth micrometers
  · Vernier
  · Dial calipers
  · Various transfer tools
  · Calibration Techniques
• Theory and Practice
  · Inside Micrometers
  · Surface plates
  · Height Gages
  · Gage Blocks
  · Dial and dial-test indicators
  · Attribute Gages
  · Variable Gages
  · Sine Bars
  · V-Blocks
• Spin Fixtures
• Compound Sine Plates
• Optical Comparators
• Screw Thread Measurement
• Geometric Tolerances