Cylindrical-cam modulation instantaneous angular speed sensor for reciprocating-rotary machine

Jiang, Kuosheng; Chen, Sai; Li, Zhixiong; Ma, Tianbing; Ren, Jie; Mao, Zhongyuan

doi:10.1016/j.ymssp.2023.110860

Cited by 1 publication

(1 citation statement)

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“…Their multifunctionality makes them indispensable components within mechanical systems, such as gears, rotating cylinders, crankshafts, and other precision machines [ 7 , 8 , 9 ]. Among these, roundness serves as a critical quality control parameter that significantly influences the functionality, performance, and lifetime of these components [ 10 , 11 , 12 ]. An accurate roundness measurement not only validates compliance with design specifications but also has a direct impact on product performance [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Comparison Analysis of Roundness Measurement of Small Cylindrical Workpieces with Different Styluses

Wu,

Zeng,

2024

Sensors

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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.

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