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Multi-axis synchronization machining effects on free-form surface with image processing

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Abstract

The high surface quality of free-form machined products is demanded by the industries. There were several different approaches proposed in the literature for improving the roughness/texture of machined surface, from tool path generation, tool orientation identification, tool geometry selection, to tool assembly error investigation on the causes and solutions. However, the traces caused by the asynchronous behavior of multi-axis tools were not widely discussed. This study explores the telltale surface characteristic left behind by a ball-end milling operation, using from the image process of scallops/cusps figure of the workpieces, through the spectrum/FFT (fast Fourier transform) plot to identify the parallel of the tool path and the types of traces. Using the distribution of peak frequency and related bandwidth as an index for the performance of synchronous machining, it will reveal the parameters setting of different motion control and the compliance of the dynamic synchronous motion. The tendency of performance index matched the measured roughness result of the workpieces.

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Funding

The research was supported by the Ministry of Science and Technology of the Republic of China under grant number: 109-2221-E-011-149.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei, 10607, Taiwan, Republic of China

    Chung-Feng Jeffrey Kuo & Wei-Han Weng

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  1. Chung-Feng Jeffrey Kuo
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  2. Wei-Han Weng
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Correspondence to Chung-Feng Jeffrey Kuo.

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Kuo, CF.J., Weng, WH. Multi-axis synchronization machining effects on free-form surface with image processing. Int J Adv Manuf Technol 111, 1135–1146 (2020). https://doi.org/10.1007/s00170-020-06040-z

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  • DOI: https://doi.org/10.1007/s00170-020-06040-z

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