增材制造分层轮廓方向平行填充轨迹生成方法*

doi:10.13385/j.cnki.vacuum.2020.03.18

Abstract

Abstract: This paper studies the filling algorithm of planar contour based on direction-parallel filling path, and solves the problem that the traditional filling algorithm of direction-parallel contour is only suitable for filling polygon contour with relatively simple shape, but it is easy to fail in dealing with polygon contour composed of a large number of short lines. The algorithm first generates the scan lines of the plane contour, then generates all monotone chains of the plane contour polygon, and then establishes the undirected graph of the parallel filling trajectory based on the generated scan lines and monotone chain set. In the undirected graph, the edge types of undirected graph are divided into three types of segment edge, horizontal edge and vertical edge. Finally, the direction-parallel filling trajectory joining algorithm based on undirected graph is studied, and the effectiveness of the algorithm is verified by computing examples.

Key words: additive manufacturing, filling path, direction-parallel

CLC Number:

TH16

ZHAO Ji-bin, LI Lun, ZHOU Bo, TIAN Tong-tong. Direction-parallel Filling Trajectory Generation Method for Sliced Profile in Additive Manufacturing[J].VACUUM, 2020, 57(3): 89-93.

References

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Direction-parallel Filling Trajectory Generation Method for Sliced Profile in Additive Manufacturing

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