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- W2354304879 abstract "Aiming at the part quality and building time problems in stereolithography (SL) caused by unreasonable building orientation, a part building orientation decision method in SL rapid prototyping (RP) is carried out. Bringing into fall consideration of the deformation, stair-stepping effect, overcure effect and building time related to the part fabrication orientation, and using evaluation function method, a multi-objective optimization model for the building orientation is defined. According to the difference in the angles between normal vectors of triangular facets in standard triangulation language (STL) model and z axis, the expressions of deformation area, stair-stepping area, overcure area are established. According to the characteristics in SL process, part building time is divided into four sections, that is, hatching scanning time, outline scanning time, support building time and layer waiting time. Expressions of each building time section are given. Considering the features of this optimization model, genetic algorithm (GA) is used to derive the optimization objective, related software is developed and optimization results are tested through experiments. Application shows that this method can effectively solve the quality and efficiency troubles caused by unreasonable part building orientation, an automatic orientation-determining program is developed and verified through test." @default.
- W2354304879 created "2016-06-24" @default.
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- W2354304879 date "2006-01-01" @default.
- W2354304879 modified "2023-10-16" @default.
- W2354304879 title "Part building orientation optimization method in stereolithography" @default.
- W2354304879 doi "https://doi.org/10.3901/cjme.2006.01.014" @default.
- W2354304879 hasPublicationYear "2006" @default.
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