中文摘要：

激光选区熔化（SLM）成型零件过程中常出现零件的翘曲变形，这与零件支撑的添加有关。因此，有必要对SLM成型零件支撑添加方式进行研究。通过对不同支撑结构SLM成型零件的成型效果进行研究，发现在相同支撑参数条件下，支撑片分割未倾斜支撑在成型零件时具有较好的成型效果；零件使用的支撑高度越高，零件越容易翘曲。通过优化支撑结构，发现采用分块O。倾斜导热支撑可以有效地减小零件的翘曲变形。这为SLM成型高精度零件提供了参考。

英文摘要：

Warping deformation often occurs during the process of selective laser melting （SLM） of parts, which is related to addition of part supports. Therefore, it is necessary to investigate the addition manner of part supports in the SLM process. The molding effects in the SLM of parts with different support structures are investigated and one found that, under the condition of same support parameters, the support sheet which is separated and non-inclined has better molding effects; the larger the height of support structure is, the stronger the warping deformation is. After the optimization of support structures, it is found that the separated and non-inclined support structure mixed with heat conduction columns can effectively reduce the warping deformation of parts. This study provides a reference basis for the molding of high precision parts by SLM.