Performance assessment of involute gear measurement by CMM using a double-ball artifact

Takatsuji, Toshiyuki; Kondo, Koshi; Kubo, Aizo; Haertig, Frank; Osawa, Sonko; Naoi, Kazuya; Kurosawa, Tomizo; Komori, Masaharu

doi:10.1117/12.614851

Cited by 3 publications

(1 citation statement)

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“…1,2 Considering the high processing difficulties of HIA, the double ball artefact (DBA), which allows the compensation, can be used to calibrate the measurement uncertainty of gear measuring instruments (GMI) or coordinate measuring machines (CMM) in some measurement institutes. [3][4][5][6][7] According to the report, German National Physical Laboratory (Physikalish-Technische Bundesansalt (PTB)) can develop HIA with profile form deviation f fa =0.5 mm, which is used to transfer the involute quantity value both in Germany and in other countries in Europe, 8 but no detailed processing techniques and methods about HIA are introduced. Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP), Chinese Academy of Sciences, can develop HIA with profile form deviation f fa =0.8 mm and its accuracy is superior to grade 1 according to ISO 1328-1:1995 by using the roller-rail generating mechanism.…”

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confidence: 99%

Optimal forming principle and grinding experiment of the ultra-precision involute profile

Ling

Lou

Wang

et al. 2013

Proceedings of the Institution of Mechanical Engineers, Part B:

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The accuracy requirement of ultra-precision involute artefacts and master gears, which are used to calibrate the gear measuring machines, is increasing as power density increases; however, the complexities and specificities in the involute processing and measuring have been the bottleneck of manufacturing technique for high-grade involute artefacts and ultra-precision master gears. In order to develop the ultra-precision involute gear profile, related researches were conducted in this study. First, the manufacturing level of high-grade involute artefacts was introduced. Then, the forming principle of the involute was discussed, and the roller–rail type and cam–baffle type of mechanical generating mechanism with little effects of driving accuracy on generating accuracy and less error sources were pointed out. Finally, the double roller–rail type of grinding and measuring devices for high-grade involute artefacts were designed according to the optimal forming principle of the involute, and a precision grinding experiment on an involute cam (a kind of high-grade involute artefacts) was conducted. The measured results show that the total profile deviation is not more than 0.6 µm and the profile form deviation is less than 0.4 µm in 105 mm generating length of the specimen. By using the refined involute cam and gear grinder with cam–baffle type of mechanical generating mechanism, a precision grinding experiment on the specimen of a master gear was conducted. The experimental results verify that the roller–rail type of mechanical generating mechanism has the processing capacity of high-grade involute artefacts with submicron-level profile accuracy and the refined gear grinder with cam–baffle type of mechanical generating mechanism has the processing capacity of ultra-precision master gear with grade-1 profile accuracy.

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