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Dynamic modelling of the fidelity of random surface measurement by the stylus method
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Tian, Yanling, Liu, X., Zhang, D. and Chetwynd, D. G. (2009) Dynamic modelling of the fidelity of random surface measurement by the stylus method. Wear, Vol.266 (No.5-6). pp. 555-559. doi:10.1016/j.wear.2008.04.061
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Official URL: http://dx.doi.org/10.1016/j.wear.2008.04.061
Abstract
A numerical simulation has been used to systematically investigate the characteristics of a stylus surface profiling instrument. The model bridges together previously used concepts to incorporate both tip size and tip dynamics. The dynamics incorporate a tip flight phenomenon, inferring detachment from zero value of the reaction force and the trajectory from a free vibration solution to a second order system. Tip shape is handled by a rigid kinematic model. Following brief discussions of the modelling and the process for generating test profiles with defined correlation lengths, the influences of the inherent parameters of the stylus instrument and the testing method on the measurement fidelity are examined. The tip shape effect of the stylus instrument is also considered in the dynamic measurement. It is noted that the finite tip size can increase the critical scanning speed to avoid tip flight, but decreases the signal fidelity of the measurement due to the bridging effect.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QA Mathematics T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Library of Congress Subject Headings (LCSH): | Surfaces (Technology) -- Measurement, Measuring instruments -- Mathematical models, Kinematics | ||||
| Journal or Publication Title: | Wear | ||||
| Publisher: | Elsevier BV | ||||
| ISSN: | 0043-1648 | ||||
| Official Date: | 15 March 2009 | ||||
| Dates: |
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| Volume: | Vol.266 | ||||
| Number: | No.5-6 | ||||
| Number of Pages: | 5 | ||||
| Page Range: | pp. 555-559 | ||||
| DOI: | 10.1016/j.wear.2008.04.061 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC), Natural Science Foundation of Tianjin (NSFT) | ||||
| Grant number: | 50705064 (NSFC), 08JCYBJC01400 (NSFT) | ||||
| Version or Related Resource: | This item was also presented at the 11th International Conference on Metrology and Properties of Engineering Surfaces, Huddersfield, U.K., Jul 17 - 20, 2007 | ||||
| Title of Event: | 11th International Conference on Metrology and Properties of Engineering Surfaces | ||||
| Location of Event: | Halmstad, SWEDEN | ||||
| Date(s) of Event: | 2008 |
Data sourced from Thomson Reuters' Web of Knowledge
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