STANDARD COMPETENCIES:

 

 I.      Describe the CNC programming processes.

 II.     Describe basic 2-D geometry construction.

 III.    Demonstrate how to modify existing geometry models.

 IV.     Demonstrate 2-axis toolpath generation.

 V.      Demonstrate how to edit 2-D toolpaths.

 VI.     Construct 3-D wire frame models.

 VII.    Generate toolpaths for lathe programming.

 VIII.   Use a complex direct numerical control (DNC).

 TOPICAL OUTLINE:

 

 I.      CAD/CAM Environments

         A.      Working with Windows 95

         B.      The CAD/CAM programming process

         C.      The CNC manufacturing environment

 II.     Process and Toolpath Planning

         A.      Part features and geometry creation

         B.      Toolpath functions selection

         C.      Tooling and machining data

         D.      The process planning sheet

         E.      Identifying the post processor

 III.    Creating Basic 2-D Geometry

         A.      Creating points, lines, arcs, circles, fillets, chamfers, etc.

         B.      Creating text and dimensions for model

 IV.     Modifying Existing Geometry

         A.      Using color change, delete function, trim function, break function

         B.      Editing increments, join distance, location, rotation, and scale

 V.      Two-Axis Toolpath Generation

         A.      Basic 2-axis tool functions

         B.      Use of contour function, pocket function, drill function, facemill function

         C.      Generate toolpaths using combined function

 VI.     Constructing 3-D Wire Models

         A.      Wire frame fundamentals and constructions

 VII.    Toolpaths for CNC Lathes

         A.      Identifying lathe toolpath functions

         B.      Using common functions such as turn, face, groove, thread, drill, etc.

 VIII.   Direct Numerical Control

         A.      Saving part programs on a networked system

         B.      Downloading programs to a NC machine

         C.      Demonstrate the use of a DNC system