CAD/CAM for Geometry and Process Analysis of Helical Groove Machining

Helical groove machining using disc-type tools, such as for drill flutes, helical gear teeth, threads, etc., is extremely complex due to the helical motion of the profiled tool along the helical cutting path on the workpiece. In the present paper, a mathematical analysis is presented as the basis for a CAD/CAM system for design and manufacture of components with helical grooves. The system helps the user design the profile of the tool or the helical groove, and thereafter analyze the subsequent machining process. An example is presented to illustrate how the system works and the results which can be obtained.