基于数字微喷的金属粉末三维打印实现方法研究

金属三维打印能够实现复杂功能零件直接制造与净近成型,具有广阔的应用前景和重要的研究价值. 在高精度金属三维打印领域目前以选择性激光烧结(SLS)工艺为主,但由于选择性激光烧结工艺的设备成本高、模型成型时间长、金属粉末材料选择范围窄等原因,限制了其应用范围. 本文提出一种“基于数字微喷与UV光固化相结合的金属粉末三维打印”实现方法,开发出一套完整的硬件平台与软件系统,并进行了相关的实验,验证了工艺的可行性和开发系统的可靠性. 该方法为金属三维打印提供了新的实现方法,具有较高的研究价值和意义.

Research on the Realizationmethod of 3D Printing System ofMetal Powder Based on Digital Micro Injection

Metal printing can realize the direct manufacturing and near net forming of complex functional parts,which has a wide application and an important research value. In the field of high precision 3D metal printing,selective laser sintering(SLS)is the main technology. However because of the high cost of the selective laser sintering process,the long molding time and the narrow range of the metal powder material,the application of this technology is limited. This paper presents a new method of 3D printing of metal powder based on digital micro jet and UV light curing,and develops a complete hardware platform and software system. Experiments are carried out to verify the feasibility and reliability of the system. The method for 3D metal printing provides a new method,which has the relatively high research value and significance.