Circle Segment Tools and Toolpaths in Action

To take advantage of circle segment cutting tools, the programmer/machinist must generate sophisticated programs that continuously present the tool at a precise angle that is dependent on the slope of surface to be finished and the shape of the tool at any given point in the program.


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Check out this finishing pass comparison between the support of a circle segment oval form cutting tool within automated CAM finish toolpaths and a ball end mill on a blade. The comparison shows a 77-percent cycle time reduction due to a much larger stepdown and fewer finish passes. When machining P20 tool steel (3Cr2Mo/1.2311), surface finish is actually improved.