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A well-known mold manufacturer in Xiangtan needs to carry out three-dimensional inspection on the automobile foam film. Huaguang 3D engineers use the 3D photogrammetry system 3DP to detect the automobile foam film, compare and analyze the obtained 3D data with the original 3D data, and see the actual workpiece. Overall deviation from CAD drawings, check the quality of the inspection.
Practical problems
1. The automobile foam film mold has a large body shape, different surface contours, complicated structure, and many curved surfaces, and the measurement difficulty is large.
2. Using the traditional measurement method, only part of the data can be obtained, and the surface and the portion with large slope cannot be measured, resulting in incomplete data acquisition, and the quality of the automobile foam film mold cannot be detected.
solutions
Customers need to perform quality inspection on automotive foam films. Traditional measurement methods are very inefficient and have large errors. In response to the problems faced by customers, Huaguang 3D engineers proposed a solution to use the scanning device 3DP to take a global photo of the automotive foam film mold, obtain the three-dimensional coordinates of the detected part mark points, and import the photographed photos into the software for calculation and calculation. The data is compared with the original digital model and then analyzed to obtain the error value between the automotive foam film molds.
Using the 3D photogrammetry system 3DP to shoot the automotive foam film, it takes only 30 minutes to obtain the 3D data of the automotive foam film mold, and the measurement accuracy is very high. Quickly check the difference between automotive foam film (CAD) models and products, check the quality of automotive foam film molds, and effectively solve the problems faced by customers.
Automotive foam film mold scanning pre-work
Automotive foam film mold on-site scanning
Automobile foam film mold three-dimensional data map
Compare chromatograms with raw digital patterns
Compare chromatograms with raw digital patterns
Automobile foam film mold three-dimensional data map
