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        1. News

          The use of 3D scanners in industry

          2019-07-03

          With the development of modern manufacturing industry, how to quickly and effectively improve production efficiency and production quality, the emergence of 3D scanners not only greatly improved production efficiency, but also reduced production costs. At present, 3D scanners are widely used in industries such as automobile transportation, aerospace, electronic appliances, mold industry, engraving industry, ceramic sanitary ware, shoe mold, toy animation, teaching application, medical plastic surgery, human body related, etc. Two practical uses are reverse engineering and 3D inspection.

          1. Product design (reverse engineering). Reverse engineering (also known as reverse engineering) is the reconstruction of existing physical models (or part prototypes) using various digital techniques and CAD techniques in the absence of complete design drawings or even design drawings or CAD models. The process of the original CAD model. That is, the existing product shape is drawn into the computer through the 3D scanner, and the engineer can carry out the 3D CAD design of the product, and then design, modify, and manufacture the product. Mainly can skip the product size measurement, draw the 2D diagram process, and directly carry out 3D modeling.

          The early adopters used the forward design method when designing the product. However, for complex products, the forward design method also showed his shortcomings. The design process has large difficulty coefficient, long cycle and cost. High, not conducive to product development. If there is a way to correct the local problems generated in the forward design process, it is naturally the best of both worlds. It is in this context that it naturally develops and forms a reverse design method. Therefore, in the large market demand, more and more enterprises are involved in reverse engineering.

          2. Product testing (3D inspection). The manufactured product can have deformation or dimensional error. The 3D scanner can scan the shape of the product, and use the camera-type 3D scanner or handheld 3D scanner to scan the object in 3D, and the 3D-scanned point cloud image and the original CAD model. Performing full-scale inspection and comparison, analyzing the difference between the final product and the original design product, it can easily, quickly and accurately detect the shape and shape errors of complex shapes and improve the production quality of the products.

          The main purpose of 3D scanners is reverse engineering and 3D inspection. It seems to have only two uses, but it is undoubtedly the most convenient instrument for modern industrial manufacturers, and has made important contributions to the development of industry, largely solving The problems faced by enterprises.

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