2022
DOI: 10.21278/tof.462040222
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Analysis of Measurement Uncertainty of (Simple) Pitch Diameter Calibration when Selected Sizes of Zeiss Wires are Used

Abstract: The calibration of screw thread gauges is a conventional procedure in calibration laboratories and National Metrology Institutes. Proper measurement and reliable uncertainty analysis of the screw thread gauge calibration are complex and demanding tasks.Different technical documents and international standards in screw metrology define calibration categories, explain measurement plans, measuring elements, nominal diameters and their tolerances, and propose guidelines for the measurement uncertainty estimation. … Show more

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“…This approach eliminated the impact of the slanted cylindrical thread on identification and enhanced the cylindrical thread detection accuracy. They tried to eliminate the mistake using the aberration principle and considerably increased the thread recognition accuracy; however they, similar to many other researchers, [25][26][27] focused on cylindrical thread detection in the field of machine vision, [28][29][30] with little study on taper threads with large pitches. This is primarily because taper threads have a taper, the thread expression is more complicated, and the radius of the thread tip varies in real time with the helix, resulting in dynamic changes in tooth distortion.…”
Section: Introductionmentioning
confidence: 97%
“…This approach eliminated the impact of the slanted cylindrical thread on identification and enhanced the cylindrical thread detection accuracy. They tried to eliminate the mistake using the aberration principle and considerably increased the thread recognition accuracy; however they, similar to many other researchers, [25][26][27] focused on cylindrical thread detection in the field of machine vision, [28][29][30] with little study on taper threads with large pitches. This is primarily because taper threads have a taper, the thread expression is more complicated, and the radius of the thread tip varies in real time with the helix, resulting in dynamic changes in tooth distortion.…”
Section: Introductionmentioning
confidence: 97%