ENTC 3710 Introduction to the AXYZ CNC Router

Lab #4-2 ETSU Bucaneer Maze For this assignment, you will need to download the project's DXF-formatted CADD file. (Need help downloading and saving files off the Internet? Click here!)

The purpose of this lab is to familiarize the student with the process of turning a CAD file into a finished part using a proprietary CAM program (ToolPath) and then making the desired part on the AXYZ CNC Router.
The final deliverable package for this lab assignment will consist of the following:
A printout/plot of the drawing(s) used in this lab (including the location of all clamps and the drawing origin); Setup instructions (in MS Word format) including a screen shot of the ToolPath Output window and instructions on how to properly secure the workpiece stock to the router table); and A final part (standard size).
Notes for this assignment: The nominal, unscaled size of the project is approximately 11 wide x 9½ inches in height; choose a suitably sized piece of stock for the project. For this project, use an inexpensive and soft (i.e., easily routed) material such as plastic, tempered hardboard, MDF oak, or walnut. Appropriate provisions must be made to securely clamp the workpiece to the router table. The instructor must approve the final setup prior to the student running the program. The drawing origin (X0,Y0 ABS) must be located in the parts' upper right corner at least 1 inch from the outside edge of the part. The router paths will be generated using the existing AXYZ tooling. For the labyrinth path, consider using the center-cutting round over bit; the depth of cut can be set between 0.032 to 0.090 (½ part thickness maximum). Use the ¼" DIA straight cutting bit (Tool #1) for the final through cuts. The minimum part thickness will be 1/4" thick. The thickness of the stock will vary depending upon the final approved material. If the final part is to be over ¼ inch thick, use the multipass option in the Output window; the maximum depth of cut of Tool #1 is 0.188.

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April 12, 2010