中国激光, 2018, 45 (12): 1202001, 网络出版: 2019-05-09
基于次级烧结区域调控的SLS制件控形控性研究 
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Accuracy and Performance Controlling of Part Made by Selective Laser Sintering Based on Secondary Sintering Region Regulation
激光技术 控形控性 复合扫描 选择性激光烧结 次级烧结 laser technique accuracy and performance controlling composite scanning selective laser sintering secondary sintering
摘要
提出了一种将中能量密度高速面域扫描粘接与高能量密度轮廓碳化分割相结合的复合扫描方法,并采用该方法及常规扫描方法对宝珠覆膜砂进行烧结实验;研究了烧结件的拉伸断口形貌、抗拉强度、成形精度和变形量,结果表明:复合扫描方法能有效去除次级烧结体,提高烧结件的精度及烧结初强度,减小后处理加热强化过程的变形量,最终获得了高精度、高性能的烧结件。
Abstract
In this paper, a composite scanning method combining high energy density contour carbonization with high energy density contour bonding is proposed, and the proposed method and ordinary scanning method are used to implement sintering experiment. The tensile fracture, tensile strength, forming accuracy and deformation are studied. The results show that the composite scanning method can effectively remove the secondary sinter, improve the precision and initial sintering strength of the sinter, and reduce the deformation in the process of post-treatment heating strengthening. At lase, sintered parts with high precision and high performance are obtained.
童强, 薛铠华, 姚山. 基于次级烧结区域调控的SLS制件控形控性研究[J]. 中国激光, 2018, 45(12): 1202001. Qiang Tong, Kaihua Xue, Shan Yao. Accuracy and Performance Controlling of Part Made by Selective Laser Sintering Based on Secondary Sintering Region Regulation[J]. Chinese Journal of Lasers, 2018, 45(12): 1202001.
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