Manufacturing of Screw Rotors Via 5-axis Double-Flank CNC Machining

Michal Bizzarri, Michael Bartoň

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


We investigate a recently introduced methodology for 5-axis flank computer numerically controlled (CNC) machining, called double-flank milling (Bo et al., 2020). We show that screw rotors are well suited for this manufacturing approach where the milling tool possesses tangential contact with the material block on two sides, yielding a more efficient variant of traditional flank milling. While the tool's motion is determined as a helical motion, the shape of the tool and its orientation with respect to the helical axis are unknowns in our optimization-based approach. We demonstrate our approach on several rotor benchmark examples where the pairs of envelopes of a custom-shaped tool meet high machining accuracy.
Original languageEnglish (US)
Pages (from-to)102960
JournalComputer-Aided Design
StatePublished - Nov 6 2020
Externally publishedYes


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