Automatic measurement of spur gear dimensions using laser light, part 2: measurement of flank profile

M. A. Younes; Abdallah M. Khalil; Mohamed Damir

doi:10.1117/1.2114987

1 October 2005 Automatic measurement of spur gear dimensions using laser light, part 2: measurement of flank profile

M. A. Younes, Abdallah M. Khalil, Mohamed Damir

Author Affiliations +

Optical Engineering, Vol. 44, Issue 10, 103603 (October 2005). https://doi.org/10.1117/1.2114987

Abstract

In part I of this study a laser-based system for automatic measurement of spur gears' tooth thickness and pitch was introduced. The developed system provides an inaccuracy value on the order of 5 µm, and the measurement time, for all gear teeth, was just about 1 min. In this part the experimental work is further extended to measure the tooth flank profile of spur gears. Flank profile is one of the most important factors that affect gear performance. In gear meshing, motion is transferred through contact along gear flanks. Deviations in flank profile due to errors in manufacturing or nonuniform wear result in variations in gear movement. Measurement of the flank profile can help in adjusting the gear manufacturing process, control the quality of manufactured gears, and monitor the wear of gears during action. The proposed flank profile measurement system is based on the principle of optical triangulation. The flank profile measurement setup is integrated with that of the tooth thickness and pitch, and hence tooth thickness, pitch, and profile measurements are performed simultaneously, and the measurement time for the three parameters for all gear teeth remains less than 1 min. Software is developed to graph the actual tooth profile and evaluate its deviation from nominal shape. The flank profiles measured using the developed system are in good agreement with those obtained from a well-established measurement method.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

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M. A. Younes, Abdallah M. Khalil, and Mohamed Damir "Automatic measurement of spur gear dimensions using laser light, part 2: measurement of flank profile," Optical Engineering 44(10), 103603 (1 October 2005). https://doi.org/10.1117/1.2114987

Published: 1 October 2005

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