1 May 2011 Positioning the actual interference fringe pattern on the tooth flank in measuring gear tooth flanks by laser interferometry
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Abstract
In measuring form deviation of gear tooth flanks by laser interferometry, the collected interference fringe pattern (IFP) is badly distorted, in the case of shape, relative to the actual tooth flank. Meanwhile, a clear and definite mapping relationship between the collected IFP and the actual tooth flank is indispensable for both transforming phase differences into deviation values and positioning the measurement result on the actual tooth flank. In order to solve these problems, this paper proposes a method using the simulation tooth image as a bridge connecting the actual tooth flank and the collected IFP. The mapping relationship between the simulation tooth image and the actual tooth flank has been obtained by ray tracing methods [Fang et al., Appl. Opt. 49(33), 6409-6415 (2010)]. This paper mainly discusses how to build the relationship between the simulation tooth image and the collected IFP by using a matching algorithm of two characteristic point sets. With the combination of the two above-mentioned assistant mapping relationships, the mapping relationship between the collected IFP and the actual tooth flank can be built; the collected IFP can be positioned on the actual tooth flank. Finally, the proposed method is employed in a measurement of the form deviation of a gear tooth flank and the result proves the feasibility of the proposed method.
© (2011) Society of Photo-Optical Instrumentation Engineers (SPIE)
Suping Fang, Suping Fang, Leijie Wang, Leijie Wang, Shiqiao Liu, Shiqiao Liu, Masaharu M. Komori, Masaharu M. Komori, Aizoh Kubo, Aizoh Kubo, } "Positioning the actual interference fringe pattern on the tooth flank in measuring gear tooth flanks by laser interferometry," Optical Engineering 50(5), 055601 (1 May 2011). https://doi.org/10.1117/1.3578401 . Submission:
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