STANDARD COMPETENCIES

 

 1. Prepare CAD models for machining in 3- and 4-axis CAM programs

 2. Write 3- and 4-axis tool paths for CAD model parts

 3. Experiment with machining different types of materials on a CNC wood router

 4. Develop work flow from CAD model to CAM tool paths to machined parts

 5. Construct fixtures that align and affix stock material to machine

 6. Demonstrate proper set up and machine operations for 4-axis rotation table

 7. Develop CNC router controller skills

 8. Operate CNC router safely

 

 

 TOPICAL OUTLINE

 

 I. Place CAD models in CAM software for optimal machine usage.

 II. Understand the different types of tool paths and what they do.

     A. 2.5-axis profiling, pocketing, drilling, and engraving

     B. 3-axis roughing, contouring, and finishing

     C. 4-axis rotary roughing, contouring, and finishing

 III. Write tool paths that take materials into consideration.

     A. Plywood

     B. Solid wood

     C. Aluminum

     D. Plastic

 IV. Optimize work flow from computer to actual part to help develop skills for applications in professional environment.

 V. Make fixtures for holding and indexing parts to machine, including:

     A. Vacuum hold-down fixtures

     B. Positioning holes for flip milling

     C. Aligning parts rapidly to the origin of the machine

 VI. Understand 4-axis machining strengths and weaknesses, taking into account structure of part and addressing issues when

     material is only supported by each end.

 VII. Demonstrate proper use of CNC controllers to operate machine safely and effectively.