CNC 1 – Mills Fundamentals

This course introduces the fundamentals of Computer Numerical Control (CNC) machining, including machine setup, basic G-code programming, tooling, and safe operation of mills. Students gain hands-on experience producing simple parts while learning the principles of precision measurement, material selection, and machining processes.

Categories: CNC Machining, Computer Numerical Control

Course Content

Introduction to CNC machining and its terminology
Basics of G-code commands and structure
Understanding machine coordinate systems
Writing basic programs for simple machining tasks
Using software to simulate machining operations
Practical experience with operating a CNC machine
Diagnosing and solving common errors in CNC machining
Ensuring safe practices in programming and operation

Applications and Hands-On

Identifying machine components and controls
Writing simple G-code commands
Setting up and aligning workpieces
Running a basic program on a CNC simulator
Error-checking programs in simulation
Machining a simple part

Basic Machine Operation

Starting up and shutting down CNC machines safely
Loading tools, materials, and verifying setup
Using control panels and interpreting machine feedback

Tooling and Offset Management

Managing tool offsets and length compensation (G43, H-codes)
Using wear and geometry offsets
Understanding tool numbers and tool change commands (M06)

Work Coordinate Systems

Setting and calling work offsets (G54)
Using fixtures and setup sheets effectively

Resources Provided:

CNC machine access
Simulation software
G-code reference guides