Continuous Toolpath Optimization for Simultaneous Four‐Axis Subtractive Manufacturing

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dc.contributor.authorZhang, Zhenminen_US
dc.contributor.authorShi, Zihanen_US
dc.contributor.authorZhong, Fanchaoen_US
dc.contributor.authorZhang, Kunen_US
dc.contributor.authorZhang, Wenjingen_US
dc.contributor.authorGuo, Jianweien_US
dc.contributor.authorTu, Changheen_US
dc.contributor.authorZhao, Haisenen_US
dc.date.accessioned2025-03-07T16:49:31Z
dc.date.available2025-03-07T16:49:31Z
dc.date.issued2024
dc.description.abstractSimultaneous four‐axis machining involves a cutter that moves in all degrees of freedom during carving. This strategy provides higher‐quality surface finishing compared to positional machining. However, it has not been well‐studied in research. In this study, we propose the first end‐to‐end computational framework to optimize the toolpath for fabricating complex models using simultaneous four‐axis subtractive manufacturing. In our technique, we first slice the input 3D model into uniformly distributed 2D layers. For each slicing layer, we perform an accessibility analysis for each intersected contour within this layer. Then, we proceed with over‐segmentation and a bottom‐up connecting process to generate a minimal number of fabricable segments. Finally, we propose post‐processing techniques to further optimize the tool directionand the transfer path between segments. Physical experiments of nine models demonstrate our significant improvements in both fabrication quality and efficiency, compared to the positional strategy and two simultaneous tool paths generated by industry‐standard CAM systems.en_US
dc.description.number1
dc.description.sectionheadersMajor Revision from Eurographics Conference
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume44
dc.identifier.doi10.1111/cgf.15204
dc.identifier.issn1467-8659
dc.identifier.pages15
dc.identifier.urihttps://doi.org/10.1111/cgf.15204
dc.identifier.urihttps://diglib.eg.org/handle/10.1111/cgf15204
dc.publisherEurographics ‐ The European Association for Computer Graphics and John Wiley & Sons Ltd.en_US
dc.subjectdigital geometry processing
dc.subjecttoolpath planning
dc.subjectfour‐axis machining
dc.subject• Computing methodologies → Mesh geometry models
dc.titleContinuous Toolpath Optimization for Simultaneous Four‐Axis Subtractive Manufacturingen_US
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