Automatic measurement of spur-gear dimensions using laser light. Part 1: measurement of tooth thickness and pitch

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

doi:10.1117/1.2009765

1 August 2005 Automatic measurement of spur-gear dimensions using laser light. Part 1: measurement of tooth thickness and pitch

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

Author Affiliations +

Optical Engineering, Vol. 44, Issue 8, 087201 (August 2005). https://doi.org/10.1117/1.2009765

Abstract

Gears of all types and sizes are widely used in machinery and equipment. Spur gears represent the largest percentage of all gears in use, and automating their measurement has become a common goal. In this paper a new computer-assisted noncontact laser-based spur-gear measurement system is developed. The technique is based on optical obscuration and is used to measure the thickness and pitch of the test gear at a predetermined tooth height. The developed system has an inaccuracy on the order of 5 µm, and the time required to measure a whole gear is 1 min. The system can measure gears with different modules and numbers of teeth. The measured dimensions were compared with those obtained with a well-established technique and are in good agreement.

©(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 1: measurement of tooth thickness and pitch," Optical Engineering 44(8), 087201 (1 August 2005). https://doi.org/10.1117/1.2009765

Published: 1 August 2005

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