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3D Printing Process and Local Preheating Technique Study Using a Laser-Based Method
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DOI：10.1002/pen.70000.png)
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摘要
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本研究解决了在熔融沉积成型（FFF）3D打印中增强丝材间结合的挑战，其中传统方法常导致机械强度不足或结构变形。采用激光基方法引入了一种新型局部预热技术，以精确控制先前沉积的丝材温度。开发了一套集成3D打印机、30 W二极管激光器和光学系统的实验装置，用于评估关键参数，包括激光功率、PLA颜色对激光吸收率的影响，以及预热温度与结合强度之间的关系。结果表明，预热至180°C可将机械结合强度提高最高35%且无变形，突显了该技术改善FFF零件质量的潜力。
Keyword:
additive manufacturing
bonding strength
FFF 3D printing
local laser preheating
期刊
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IF:
3.2
论文数:
8.6K
被引数:
1.4W
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