Due to the limitations of practical factors such as heavy work tasks and limited reverse design functions of CATIA software,the analysis of competitive models in the new car development stage cannot establish corresponding parametric models according to realistic conditions.Similarly,this is limited in reverse engineering of other automotive components.To this end,the automotive industry has developed a set of automatic operation modes that can support surface fitting,and obtain high-precision automotive parts parameters through reverse design of automotive parts,thereby providing the necessary conditions for the production of three-dimensional models.This is achieved by combining Geomagic Studio with CATIA V5 software,and the EXAScan laser scanner is used to scan the part.From this,the relevant data required to establish the parametric model can be obtained,taking the reverse three-dimensional design of the cylinder head cover of a domestic automobile light engine as an example.Combined with the above,the laser scanner EXAScan is used to scan the part,the obtained 3D data is transmitted to Geomagic Studio,and the processing results are imported into CATIA V5 through Geomagic Studio pre-processing and surface fitting of the point cloud,so that the entire surface machining process can be completed.Finally,based on the high-precision data obtained in the early stage,the optimization construction is proposed based on experience.This method is widely used in the design of automotive parts,and a large number of practices have also shown that this method can provide great convenience for the development of new products.Therefore,it is also attracting great attention in the field of automotive research and development.
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