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CNC Mill CPU Objectives Activity 1 1-1 Explore the history of tools and machines. 1-2 Define CNC and its uses. 1-3 Consider the advantages of present day manufacturing. 1-4 Examine the importance of manufacturing technology in our world. Activity 2 2-1 Identify a program. 2-2 Define geometry and discover how it relates it to CNC milling. 2-3 Find Cartesian coordinates on a grid. 2-4 View a presentation on precise measurement. 2-5 Explore a three-dimensional model showing X, Y, and Z coordinates. Activity 3 3-1 Explore several benefits of CNC technology. 3-2 Examine components of the spectraLight Mill. 3-3 Identify correct setup procedures for a milling project. 3-4 Mill out your first part. Activity 4 4-1 Recognize how a program is developed. 4-2 Identify certain basic programming codes. 4-3 Explore the software used for controlling programs. 4-4 Develop a basic CNC program. Activity 5 5-1 Explore how each line of a program can be examined during the verification process. 5-2 Examine how tool compensation effects the outcome of a part/design. 5-3 Develop an understanding of the importance of datum dimensioning in part development. Activity 6 6-1 Define circular interpolation and pocketing. 6-2 Determine the codes necessary to create arcs. 6-3 Graph and create codes for a program that includes arcs. 6-4 Begin developing a program containing circular interpolation. Activity 7 7-1 Identify the stages in the design engineering process. 7-2 Determine ways in which mock-ups and prototypes are constructed. 7-3 Create a thumbnail sketch of a maze design for prototype purposes. 7-4 Datum dimension the maze you are designing. 7-5. Understand the responsibilities of mechanical engineers. Activity 8 8-1 Develop a program from the design/coordinates you created in the last activity. 8-2 Enter the program into the CNC Mill software. 8-3 Verify the program you created and have your work approved by the instructor. Activity 9 9-1. Mill out the maze prototype 9-2. Begin challenges to meet several high-level problem-solving objectives In Activity 15, students will take the Vocabulary Test and the Post-test. Activity 9 through Activity 15 require students to complete challenges to meet numerous high level problem-solving objectives. The objectives for the challenges in this CPU include: Challenge 1 You will conduct research on a career of your choice in the manufacturing field. Share your findings in a presentation. Challenge 2 You will develop a CNC program and mill out a part based on Reference Drawing One and using cutter compensation techniques. Challenge 3 You will develop a CNC program and mill out a part based on Reference Drawing Two and using sub programming techniques. Challenge 4 You will develop a CNC program and mill out a part based on Reference Drawing Three and using plane commands. Challenge 5 You will develop a CNC program and mill out a part based on a design/sketch of your own. Challenge 6 You will develop a CNC program and mill out a part based on a playing board design in the Introduction to CNC guide. |
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