CNC Machining Basics (Online)


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This 6-week course is designed to give students the fundamental knowledge of how CNC Lathes and Milling Machines work. Each two-hour class session will have a mixed media format, combining lecture presentation with professionally made YouTube videos and machine brochures from various machine tool manufacturers. Topics include the multi-plane Coordinate Systems, overview of standard CNC programming commands, machine maintenance, similarities and differences between machine models, work holding and cutting tools, and some details on machine setup activities. A short refresher on shop math (in particular, trigonometry) will also be covered, as this is essential for being a good machinist.

Course Outcomes:

  • Understand the capabilities and basic operating concepts of typical CNC milling machines and lathes, including multi-axis systems
  • Identify the differences between single and multi-turret CNC lathes and understand how “live tooling” works
  • Know the standard EIA command codes (G, M, T, S, D, other functions)
  • Understand how a CNC machine is programmed
  • Learn common canned cycles
  • Read a CNC program and describe what the program is doing

About the Instructor:
Robert J. Bach is a licensed professional mechanical engineer through the state of Minnesota, a master journeyman toolmaker, and he holds a Master of Science degree in Manufacturing Systems. Robert has been engaged in precision manufacturing for over 30 years and currently serves as a clinical professor and program director for the School of Engineering at the University of St. Thomas. He teaches geometric dimensioning & tolerancing and CNC machining basics through Live Online.

Credits: Non-credit

Course Requirements:

  • High-speed Internet Access
  • Computer/tablet/mobile device with webcam and microphone (built-in or external)

Bring to Class:

Click here to download the Student Manual. This manual contains important information on how to access your live virtual classroom, textbooks and materials you will need for class, and other pertinent information that you should review prior to the first class. Virtual classroom connection information will be emailed to each student approximately 7 – 10 days prior to the course start date.

Day(s): Tu
Time: 2:00 PM
Sessions: 6
Cost: $349.00
Registration Cutoff Date: