Coaxiality evaluation based on double material condition

Zhemin Tang, Meifa Huang, Yonghou Sun, Yanru Zhong, Yuchu Qin, Jing Huang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

To ensure the assemblability of a workpiece, Coaxiality-DM can be applied to two coaxiality cylinders. According to this specification, the relative orientation and location between an actual datum feature and the derived datum axis are variable. Thus, the Coaxiality-DM tolerance is mainly verified by real gauges, which is costly for small batch production. To develop a proper tool for that production, a evaluation model for Coaxiality-DM tolerance was investigated in this paper. According to the International Organization for Standardization (ISO), the geometry of the real gauge was analyzed, and a virtual gauge model was established. Based on the model, an evaluation method was proposed. Furthermore, an example of a stepped shaft was provided to illustrate the applicability of the proposed method. Finally, a comparative experiment was carried out, and the results revealed that the proposed model could produce more accurate results than the existing mathematical methods.
Original languageEnglish
Pages (from-to)287-295
Number of pages9
JournalMeasurement
Volume141
Early online date13 Apr 2019
DOIs
Publication statusPublished - 1 Jul 2019

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