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Three-dimensional scanning of large castings  Case background The inspection of castings results in complexity of structure and diversity of features. The traditional contact equipment can’t effectively complete the inspection work. It needs to adjust the position of castings several times to complete the inspection. Moreover, XTDP 3D optical photogrammetry system is a non-contact optical measurement equipment. It can complete the detection work by taking photos with a camera. It is also called mobile three-coordinate system. Its accuracy reaches 0.015 mm/m. It can not only ensure the inspection accuracy, but also make the equipment portable and easy to operate. It can be tested on the processing site and greatly improve the inspection efficiency. Use equipment XTDP 3D optical photogrammetry system Inspection process By sticking marking points on the surface of the inspected object, arranging coding points and scales, taking pictures of castings from various angles, calculating the coordinates of marking points, comparing the point coordinates with the design model in Geomagic Control X software, setting corresponding tolerances, the corresponding test results can be obtained, and finally the test report can be output. |
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