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Keywords = ruby ball stylus

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10 pages, 3903 KiB  
Communication
Comparison Analysis of Roundness Measurement of Small Cylindrical Workpieces with Different Styluses
by Borong Wu, Chuang Zeng and Qiaolin Li
Sensors 2024, 24(12), 3819; https://doi.org/10.3390/s24123819 - 13 Jun 2024
Cited by 1 | Viewed by 1408
Abstract
To investigate the high-accuracy roundness metrology of a needle roller 1.5 mm in diameter and 5.8 mm in length using the stitching linear scan method, a ruby ball stylus with a tip radius of 150 μm and a diamond stylus with a tip [...] Read more.
To investigate the high-accuracy roundness metrology of a needle roller 1.5 mm in diameter and 5.8 mm in length using the stitching linear scan method, a ruby ball stylus with a tip radius of 150 μm and a diamond stylus with a tip radius of 2 μm were employed to perform experiments under the same conditions. The precision coordinate data, derived from the needle roller’s cross-sectional circumference, were segmented into uniform eighths, each scanned with the stylus of a roughness measuring machine. The roundness profile of the needle roller was obtained by stitching the arc profiles, which were characterized according to the precision coordinate data of the arcs. The cross-correlation function, Euclidean distance, residual sum of squares, position error, and curvature of the measured arcs were used to evaluate the results, which can reflect the performance of the stylus. A comparison of the results obtained using the ruby ball stylus versus the diamond stylus demonstrates the ruby ball stylus’ greater suitability for use in the roundness metrology of the needle roller bearing examined in this paper. Full article
(This article belongs to the Special Issue Applications of Manufacturing and Measurement Sensors)
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