3 October 1996 Photoelectric automatic three-dimensional straightness instrument
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To guideways of machine tools, precision instruments and rectilinear motion. 3D straightness instrument which uses the electronic spirit level and applies the principle of photoelectric automatic collimation. And it can determine the 3D straightness precision at the same time. The 2D electronic spirit level is an nonlinear sensor and the readings of the two dimensions are not completely independent of each other. Methods are given in this paper to resolve these problems.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zhaoxiang Ge, Zhaoxiang Ge, Qingfeng Min, Qingfeng Min, Ziling Jiao, Ziling Jiao, Xin Zeng, Xin Zeng, } "Photoelectric automatic three-dimensional straightness instrument", Proc. SPIE 2899, Automated Optical Inspection for Industry, (3 October 1996); doi: 10.1117/12.253024; https://doi.org/10.1117/12.253024

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