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.
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.
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