Level Four is CNC Mill Programming

Building on the previous levels and focusing on CNC Mill programming skills.

Teach training subjects in any sequence that achieves your goals.


  • Milling Technology

  • Mill Process Planning

  • Mill CNC Program Planning

  • Mill Program Review

  • Use of G10 Commands

  • Sub Programs with Multiple Work Shifts

  • Trigonometry

  • Trig Practice: Milling

  • Arc In & Arc Out Methods

  • Mill Fixturing Concepts

  • Milling Canned Cycles

  • Use of Local and External Sub-Programs

  • Circular Interpolation, G41

  • Inner Diameter Circle Milling

  • Outer Diameter Circle Milling

  • Thread Milling

  • Cutter Compensation Methods

  • Milling a Shape Using Mathematical Compensation.

  • Mill Angle Project

  • Mill Profile Project


A final written test will be administered.


Students must write a sample CNC Mill part program and produce a finished part to print dimensions.