A method of obtaining accurate 3D data by using 2D line laser scanner
A two-dimensional line laser, accurate data technology, applied in the direction of using optical devices, instruments, measuring devices, etc., can solve the problem of lack of Y-axis position information, unable to form three-dimensional information, etc., to achieve good robustness and high-precision measurement. Effect
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[0043] The line laser scanner 3 used in this embodiment is the LJ-V7060 type measuring instrument of Keyence Corporation, and its repeatability in the X-axis direction is 5 μm, and the repeatability in the Z-axis direction is 0.5 μm. The high-precision electronically controlled mobile platform 1 adopts the M521.DD model precision mobile platform of PI Company, and its repeated positioning accuracy is 0.1 μm.
[0044] The present invention adopts the combination of high-precision electric control mobile platform 1 and line laser scanner 3 to realize high-precision measurement in a large size range, such as figure 1 As shown, the system consists of a high-precision electronically controlled mobile platform 1, a right-angle fixture 2, a line laser scanner 3, a standard ball base 4, a standard ceramic ball 5, a backing plate 6, and a computer 7.
[0045] Data acquisition and data processing flow chart as figure 2 As shown, first, the line laser scanner 3 is installed on the high...
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