Tool Path Generation Algorithm for Five-axis NC Machining with a Toroidal Cutter

Abstract

Abstract: The theory of differential geometry is applied to study interference-free tool path generation for five-axis machining with a toroidal cutter. The distributing functions of curvature of tool and work-piece surfaces are respectively deduced. With the two functions, calculations of feeding step length, machining interval and adjacent cutter contact point etc. are carried out and condition of identifying whether gouging or not is established. Using the condition, the cutters’ attitude angles can be updated to avoid interference. The paths calculation to a real surface is carried out and it can be seen from the results that the proposed method can effectively avoid gouging and shorten total length of machining paths.

Key words: Five-axis machining, Interference, Tool path generation

CLC Number:

TG659

CHEN Liangji;CHENG Junwei;WANG Yongzhang. Tool Path Generation Algorithm for Five-axis NC Machining with a Toroidal Cutter[J]. , 2008, 44(3): 205-212.

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Tool Path Generation Algorithm for Five-axis NC Machining with a Toroidal Cutter

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