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Study of Process Parameters of Coated Sand Used in Laser Rapid Prototyping

Qin Dan-dan, Peikang Bai, Dang Jingzhi

Abstract

The casting coated sand used in laser rapid prototyping process was investigated with a number of experiments.The effects of different process parameters such as laser power,scanning speed,preheat temperature,powder-bed depth on the sintered quality were studied systematically.The results show that the most opgimized process parameters to obtaimed the qualified laser rapid prototyping sand patterns for molding are laser power 21W,scanning speed 900mm/s,preheat temperature 70℃,powder-bed depth 0.2mm.

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Available abstract

Key concepts: Rapid prototyping, Materials science, Laser, Laser power scaling, Selective laser sintering, Laser scanning, Process (computing), Molding (decorative)