New method for measuring the working angle deviation of a polyhedron

S. R. Zhang; W. N. Liu

doi:10.1117/12.819679

31 December 2008 New method for measuring the working angle deviation of a polyhedron

S. R. Zhang, W. N. Liu

Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71303C (2008) https://doi.org/10.1117/12.819679
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

Abstract

In this paper, a new method for measuring the working angle deviation of the polyhedron is presented. With this method, two polyhedrons can be measured at the same time with only one autocollimator by comparing and measuring the corresponding surfaces of the two polyhedrons mutually, and the measuring results of the two polyhedrons have the same measurement accuracy. This paper introduces the measuring principle, derives the formula for calculating the working angle deviation, provides the standard deviation of the measuring results and gives a measurement instance. With the advantages of using only one autocollimator and having the high measuring accuracy, this method is suitable not only for measuring the polyhedron but also for measuring the laser scanning mirror.

Citation Download Citation

S. R. Zhang and W. N. Liu "New method for measuring the working angle deviation of a polyhedron", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71303C (31 December 2008); https://doi.org/10.1117/12.819679

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