基于熔融沉积成型的木质材料3D打印技术研究进展

Research Progress in 3D Printing of Wood Materials-based on Melt Deposition Molding

近年来,天然填充材料聚合物在3D打印领域得到了广泛应用。木质材料因其可再生、环境友好等特点,在3D打印领域受到广泛关注。本文首先介绍了木质材料的来源和制备方法,指出目前国内木材加工剩余物利用率不高,利用方式少的问题,通过在木材加工剩余物的利用上加大创新,与3D打印技术相结合以提高其利用率。接着详细论述了3D打印熔融沉积成型技术原理与成型方式,并根据木质材料特性及成型工艺,对其性能进行归纳与论述,分析木质材料熔融沉积成型存在的问题并展望其发展趋势。

In recent years,natural filler polymers have been widely used in the field of 3D printing.Wood materials are gaining attention in the 3D printing field due to their renewable and environmentally friendly properties.This paper first introduced the sources and preparation methods of wood materials,and pointed out that the utilization rate of wood processing residues in China was not high at present,and the utilizations were few.Through increasing innovation in the utilization of wood processing residues,the combination of 3D printing technology could improve its utilization rate.Then,the principle and molding method of 3D printing melt deposition molding technology were discussed in detail,and its performance was summarized and discussed according to the characteristics and molding process of wood materials.The problems existing in wood materials melt deposition molding were analyzed and its development trend was forecasted.