Closed-loop form error measurement and compensation for FTS freeform machining

Research output: Contribution to journalArticlepeer-review

Abstract

To improve fast-tool-servo (FTS) freeform machining accuracy, a closed-loop FTS system is developed with functional modules including toolpath generation, on-machine surface measurement, machining error mapping and compensation. A surface characterisation toolkit was identified and integrated into the processing chain to realise in-process inspection and fast quality control. Surface sampling and reconstruction strategies and robust surface filtration algorithms are adapted to regulate the data flow for both freeform surface characterisation and the optimisation of compensation toolpath from machined error maps. The performance of the developed system is demonstrated by successfully generating three typical freeform surfaces with improved form accuracy by 50%.
Original languageEnglish
Pages (from-to)455-458
Number of pages4
JournalCIRP Annals - Manufacturing Technology
Volume70
Issue number1
Early online date12 Jun 2021
DOIs
Publication statusPublished - 12 Jun 2021

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