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Measurement uncertainty assessment of positioning error and its effects on machining error.

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Title: Measurement uncertainty assessment of positioning error and its effects on machining error.
Authors: Wang, Tianxiang1,2 (AUTHOR), Guo, Zhiwei1,2 (AUTHOR), Wang, Jiachang3 (AUTHOR), Wang, Leilei3 (AUTHOR), Zhang, Song1,2 (AUTHOR) zhangsong@sdu.edu.cn
Source: Journal of Mechanical Science & Technology. Feb2025, Vol. 39 Issue 2, p821-834. 14p.
Subjects: Laser interferometers, Measurement errors, Laser measurement, Machining, Data analysis, Machine tools
Abstract: The machining errors are affected by positioning errors. However, the relationship between positioning error and machining error has not been fully comprehended due to the complexity of the positioning error distribution within the machining range of machine tool. The purpose of this paper is to elucidate the effects of positioning error of different distributions on machining error, and thereby improve the machining accuracy of machine tools. First, a test piece with multiple features is designed, positioning error measurement and test piece machining are conducted on four machine tools with different structures. Then, uncertainty assessment is introduced to examine the factors that affect measurement accuracy in the positioning error measurement process of laser interferometers, ensuring the validity of measurement results and the rationality of subsequent data analysis. Finally, on the basis of meeting the uncertainty assessment requirements in the measurement results, the effects of positioning error on machining error are investigated combining with actual machining, and the manifestation of the tool tip motion trajectory deviation caused by positioning errors on machining errors is clarified. The uncertainty assessment results suggest that incorrect material thermal compensation has the most significant effect on the measurement results, and actual machining results reveal that the distribution of positioning error, as well as the relative position between the test piece and tool coordinate system, will affect the machining error. This paper provides a practical reference for engineers to predict machining errors based on positioning errors. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Mechanical Science & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Measurement uncertainty assessment of positioning error and its effects on machining error.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Tianxiang%22">Wang, Tianxiang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Zhiwei%22">Guo, Zhiwei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jiachang%22">Wang, Jiachang</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Leilei%22">Wang, Leilei</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Song%22">Zhang, Song</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> zhangsong@sdu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Mechanical+Science+%26+Technology%22">Journal of Mechanical Science & Technology</searchLink>. Feb2025, Vol. 39 Issue 2, p821-834. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Laser+interferometers%22">Laser interferometers</searchLink><br /><searchLink fieldCode="DE" term="%22Measurement+errors%22">Measurement errors</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+measurement%22">Laser measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Machining%22">Machining</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Machine+tools%22">Machine tools</searchLink>
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  Data: The machining errors are affected by positioning errors. However, the relationship between positioning error and machining error has not been fully comprehended due to the complexity of the positioning error distribution within the machining range of machine tool. The purpose of this paper is to elucidate the effects of positioning error of different distributions on machining error, and thereby improve the machining accuracy of machine tools. First, a test piece with multiple features is designed, positioning error measurement and test piece machining are conducted on four machine tools with different structures. Then, uncertainty assessment is introduced to examine the factors that affect measurement accuracy in the positioning error measurement process of laser interferometers, ensuring the validity of measurement results and the rationality of subsequent data analysis. Finally, on the basis of meeting the uncertainty assessment requirements in the measurement results, the effects of positioning error on machining error are investigated combining with actual machining, and the manifestation of the tool tip motion trajectory deviation caused by positioning errors on machining errors is clarified. The uncertainty assessment results suggest that incorrect material thermal compensation has the most significant effect on the measurement results, and actual machining results reveal that the distribution of positioning error, as well as the relative position between the test piece and tool coordinate system, will affect the machining error. This paper provides a practical reference for engineers to predict machining errors based on positioning errors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Mechanical Science & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s12206-025-0126-4
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        Text: English
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      – SubjectFull: Measurement errors
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        Type: general
      – SubjectFull: Machining
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      – SubjectFull: Machine tools
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            NameFull: Wang, Tianxiang
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            NameFull: Guo, Zhiwei
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            NameFull: Wang, Jiachang
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              M: 02
              Text: Feb2025
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              Y: 2025
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