The measurement method of micro-involute spur gear based on micro-vision

Fang Du; Zhi-jing Zhang; Lin Zhang; Xin Jin

doi:10.1117/12.819718

31 December 2008 The measurement method of micro-involute spur gear based on micro-vision

Fang Du, Zhi-jing Zhang, Lin Zhang, Xin Jin

Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71304E (2008) https://doi.org/10.1117/12.819718
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

Abstract

Aim at measuring basic parameters, geometric parameters and errors of tooth of micro-gears, a non-contact measurement method of micro-gear based on micro-vision is presented. In measurement, edge scanning and edge recognition based on process match principle were used to obtain accurate edge; the basic and geometric parameters could be measured by fitting the related edge data according with the definition of each parameter; the tooth profile errors were measured by building the measurement model in the direction of involute normal; and the tooth pitch errors were calculated by comparing between the nominal tooth pitch and each actual tooth pitch. The experimental results indicate that the essential micro-gear parameters are measured with high accuracy. And it also shows that this measurement method based on micro-vision can be applied to micro-spur gears successfully.

Citation Download Citation

Fang Du, Zhi-jing Zhang, Lin Zhang, and Xin Jin "The measurement method of micro-involute spur gear based on micro-vision", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71304E (31 December 2008); https://doi.org/10.1117/12.819718

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