15 weeks
1 session per week
4 hours per session
Total Class: 60 hours


Inspectors, quality assurance specialists, machinists, etc. this course offers a background in accuracy requirements and interpretation of tolerances that ensures quality parts for your customers.

Recommended Prerequisites


Course Objectives

To learn the 14 geometric characteristic symbols, the 5 categories they fall within and when material condition symbols may be used and when datum references are allowed.

  • Geometric controls and their usage.
  • How to read a geometric control as a sentence.
  • How to use simple functional gages to check parts.
  • Dependency, ASME, vs. independency, ISO, for measuring size.
  • How to measure MMC and LMC.
  • How to calculate and collect variable data for CMM inspections.


  • How to read and interpret blueprints.
  • Machined part terminology.
  • How to use basic machine shop inspection tools to inspect machined parts.
  • How to create a first article report.
  • How to create a sketch of a machined part.
  • Shop Math / Trigonometry.
  • Hands on familiarization of inspection tools used to verify blueprint dimensions on actual machined parts.

Students gain proficiency on various equipment pieces used during the class including:

  • 1-6 Inch Micrometers
  • 1-6 Inch Depth Micrometers
  • 062-10″ Minus Pin Set
  • Comparator
  • Granite Surface Plate
  • Sine Plate
  • Height Gage
  • Jo Block Set
  • Telescoping Id Gages
  • V-Block
  • 90 Degree Knee
  • Dental Impression Material
  • C-Clamps
  • 6 Inch Dial Calipers
  • Protractors
  • 1-2-3 Blocks
  • Machined Parts

Course Outline

  • Math skills using a scientific calculator to do shop math and trigonometry.
  • Detailed blueprint reading, thorough understanding of Geometric Dimensioning & Tolerancing.
  • Use of common inspection tools used in a machine shop:
  • inside, outside and depth micrometers, pins, jo-blocks, surface plate, height gage, bore gages, sine plate, comparator, cmm, thread wires, pitch gages, radius
  • gages, v-blocks, and transfer stands.
  • Students are encouraged to bring parts and blueprints from their jobs.
  • The class finishes with first articles and reverse engineering of complex parts.

Employee Application Employer Application