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20 September 2002Study on a laser Inspecting Device for Straightness of Bore
This paper describe a kind of measure instrument and its mechanism and composing that apply laser collimation technique and photoelectric detect technique to measure the linear error of cannon barrel, it can instead of the traditional optics measure method, and realize the scathe less automatic measure.
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Hong Ma, Ye Wang, Suping Bai, "Study on a laser inspecting device for straightness of bore," Proc. SPIE 4927, Optical Design and Testing, (20 September 2002); https://doi.org/10.1117/12.471666