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Multi-pass Adaptive Tool Path Generation for Flank Milling of Thin-walled Workpieces Based on the Deflection Constraints by Li, Zhaoyu (author);Yan, Qianhang (author);Tang, Kai (author) is a Engineering article available to read on EtoBox.

What is Multi-pass Adaptive Tool Path Generation for Flank Milling of Thin-walled Workpieces Based on the Deflection Constraints about?

In multi-pass flank milling of thin-walled workpieces, deflections of both the workpiece and tool caused by the cutting force jeopardize the geometrical accuracy of the machined part, which is particularly problematic when cutting hard materials, such as titanium super-alloy used for blades on jet engines, as the due cutting force will be exceedingly large. Traditionally, to mitigate the deflection, machining parameters such as feed rate and depth-ofcut are set as constants and selected extremely conservatively, thus severely prolonging the total machining time. In this paper, aiming at reducing the total machining time while refraining the deflection of both the tool and inprocess workpiece, we present a new multi-pass tool path generation method for flank milling of thin-walled workpieces at semi-finish and finish machining stages. In our method, both the feed rate and depth-of-cut are allowed to vary in each pass, and they are simultaneously maximized while subject to the given limits on the deflections of both the tool and in-process workpiece as well as the kinematical limits of the machine tool itself. A practical semi-greedy algorithm is then proposed to solve the formulated

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Author

Li, Zhaoyu (author);Yan, Qianhang (author);Tang, Kai (author)

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Engineering (Physical Sciences)