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激光烧结用复合蜡粉的筛选及成型工艺研究
Screening and Forming Process of Composite Wax Powder for Laser Sintering
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- DOI:
- 作者:
- 李顶 杨尚鑫 贾润礼 王建宏
LI Ding;YANG Shangxin;JIA Runli;WANG Jianhong
- 作者单位:
- 中北大学塑料研究所
Research Institute of Plastics,North University of China,Taiyuan 030051,China
- 关键词:
- 复合蜡粉 激光选区烧结 成型工艺
composite wax powder laser selective sintering molding process
- 摘要:
- 研制开发了几种复合蜡粉,经过烧结测试,筛选出了一种适合激光选区烧结用精铸蜡粉。研究了激光烧结性能和烧结成型工艺,得到了激光烧结成型最佳工艺参数。结果表明,筛选出的精铸蜡粉最佳烧结为激光功率10 W、预热温度60℃、激光扫描速度2 000 mm/s、铺粉厚度0.15 mm。
Several kinds of composite wax powders were developed, and a kind of precision casting wax powder suitable for laser selective sintering was selected through sintering test. The performance and sintering process of laser sintering were studied, and the optimum technological parameters of laser sintering were obtained. The results show that the selected precision casting wax powder is optimized for sintering with laser power of 10 w, preheating temperature of 60 ℃, laser scanning speed of 2,000 mm/s and powder thickness of 0.15 mm.