The concept of swept sections for flat-ended toolsis revisited with the goal of improving the accuracy ofcalculations in five-axis tool path generation. Firstly, the notionsof partial and total swept sections (distinct from traditional sweptsections) are introduced. It is shown that partial and total sweptsections provide a more accurate representation of the geometryof the moving tool compared to traditiond sweptsections. Next,geometric and numerical methods focused on calculating partialswept sections are presented. These methods are based oncalculating plane-circle itnersections. Finally, the calculatedpartial swept sections are compared to the traditional sweptsections. Variations from the traditional swept sections arecharacterized to provide guidelines to the tool path pro-grammer.
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