A Generation Method of AMF General Files for Heterogeneous NURBS Volume Parametric Model

doi:10.16182/j.issn1004731x.joss.17-0401

Abstract

Abstract: Aiming at the three-dimensional printing technology of heterogeneous NURBS (Heterogeneous Non-Uniform Rational B-spline, HNURBS) volume parametrization model, a method of generatingthe AMF (Additive Manufacturing File Format) of the three dimensional printing general file is proposed. For the continuous visual expression of material information, theHNURBS volume parametric model is constructed with the control points containing material information which is represented with gray value.According to the subdivision of the NURBS volume parametric model, the HNURBS volume parametric model is subdivided into Isoparametric mesh element. In order to get the triangular mesh for the generation of the AMF files, each plane of the element is divided into the triangular meshand the material information is calculated with interpolation method.The results show that the output of AMF format is available for thethree dimensional printing software AMFtools.

Key words: heterogeneous products, three dimensional printing, HNURBS volume parameterization, AMF file

CLC Number:

Chen Long, Han Wenyu, Xu Gang. A Generation Method of AMF General Files for Heterogeneous NURBS Volume Parametric Model[J]. Journal of System Simulation, 2019, 31(10): 2010-2018.

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