Explain the functions and operations of various CNC machines.

Explanation could include

• summarizing the history of CNC machining
• identifying safety procedures for CNC machining operations
• listing advantages and disadvantages of CNC machines
• following the procedures for writing programs for two-axis CNC lathes
• creating one CNC lathe project
• describing types of working and tool-holding devices
• identifying miscellaneous codes that are used
• identifying G and M code programs
• naming digital file types (e.g., txt, docx, xlsx).

Process/Skill Questions

• What are the differences among a CNC milling machine, a CNC lathe, and a wire-electric discharge machine (EDM)? In what way are they similar?
• Which is the most precise of the three machines?
• What are the processes of planning and creating a finished part?
• What are the uses of CAD and CAM software?
• Why is program formatting important?
• Why is it important to learn G and M codes for CNC lathe and CNC milling?
• What are the similarities in codes for CNC lathe and milling?