MTT-145: CNC Operations

Business, Entrepreneurship, and Professional Development
Adv Manufacturing/Fabrication
Machine Tool
Academic Level
Course Subject
Machine Tool Technology
Course Number
Course Title
CNC Operations
Cross-Referenced Course
Credit Hours
Instructor Contact Hours Per Semester
92.00 (for 15-week classes)
Student Contact Hours Per Semester
92.00 (for 15-week classes)
Grading Method
Catalog Course Description

Introduces the concept of computer numerical control (CNC) operations as they exist in the manufacturing environment. Examines setup, operation, and programming of the CNC mill and lathe through MDI and off-line programming. Extensive laboratory activities.

Goals, Topics, and Objectives

Core Course Topics
  1. Review of Pocket Milling
  2. Review of Tool Compensation
  3. Work Coordinate System
  4. Sub – Routines / Sub – Programs
  5. Thread Milling
  6. Mirror Imaging
  7. Fourth Axis Programming
  8. Plane Selection
  9. Introduction to CNC Lathe (CNC TURNING)
  10. Tool Zero
  11. Setting Tool Length Offsets
  12. Setting Part Zero
  13. Using Cycles
  14. Rough Turning
  15. Rough Boring
  16. Drilling
  17. Threading
  18. Tool Selection
  19. Soft Jaws use and application
  20. Live Tools
  21. Communications
  22. Set –Up of PC
  23. Set – Up of Controller
  24. DNC
  25. Tooling and Tool Selection
  26. Fixturing
Core Course Learning Objectives (Separated)
  1. Demonstrate safe practices while setting up and operating CNC machines.
  2. Apply both circular and general pocket milling cycles to a part program on a VMC.
  3. Apply work coordinate shifts in part programming.
  4. Setup both work and tooling, and input the data into the offset tables.
  5. Setup and program 4th-axis work on a VMC in the application of indexing and simultaneous 4th-axis motion.
  6. Program a VMC to thread mill by use of standard thread milling formulas.
  7. Set cutting tools for a CNC turning center.
  8. Set work coordinates for the CNC turning center.
  9. Calculate and set proper feed and speeds based on cutting tool and work material.*
  10. Write rough turning cycle using the proper programming techniques.*
  11. Write a threading cycle for a turning operation for a CNC turning center.*

Credit for Prior College-Level Learning

Options for Credit for Prior College-Level Learning
Other Details

Student Interview and Portfolio Review

Approval Dates

Effective Term
Summer 2014
ILT Approval Date
Curriculum Committee Approval Date