论文标题
基于距离距离场的弯曲层体积分解，用于多轴支持印刷
Geodesic Distance Field-based Curved Layer Volume Decomposition for Multi-Axis Support-free Printing
论文作者
论文摘要
本文提出了一种新的曲面体积分解方法，用于多轴支持自由形式实心零件。给定一个要打印的固体模型，该模型被表示为四面体网格，我们首先建立一个嵌入在网格上的地球距离场，其在任何顶点的值是与模型底部的大地距离。接下来，通过插值许多ISO-GEODESIC距离表面（IGDS），将模型自然分解为弯曲层。这些IgDSS因地球学的性质而以固有且平滑的方式从自下而上变化，该方式将用作对多轴打印友好的弯曲打印层。此外，为了满足无碰撞要求并提高印刷效率，我们还提出了一种打印序列优化算法，以确定IGDSS的打印顺序，这有助于降低空中移动路径的长度。在计算机模拟和物理打印中进行了足够的实验，实验结果证实了我们方法的优势。
This paper presents a new curved layer volume decomposition method for multi-axis support-free printing of freeform solid parts. Given a solid model to be printed that is represented as a tetrahedral mesh, we first establish a geodesic distance field embedded on the mesh, whose value at any vertex is the geodesic distance to the base of the model. Next, the model is naturally decomposed into curved layers by interpolating a number of iso-geodesic distance surfaces (IGDSs). These IGDSs morph from bottom-up in an intrinsic and smooth way owing to the nature of geodesics, which will be used as the curved printing layers that are friendly to multi-axis printing. In addition, to cater to the collision-free requirement and to improve the printing efficiency, we also propose a printing sequence optimization algorithm for determining the printing order of the IGDSs, which helps reduce the air-move path length. Ample experiments in both computer simulation and physical printing are performed, and the experimental results confirm the advantages of our method.
