The working principle and main features of SLS for thermoplastic were expounded by taking HRPS as an example.The development situation and the application of SLS at home and abroad were reviewed.

• 以HRPS快速成型系统为例,介绍了热塑性塑料选域激光烧结成型的工艺原理和主要特点,阐述了该成型技术在国内外的研究现状及应用情况。