Kianoush Haghsefat - M.Sc.Eng, Department of Mechanical Engineering, Nanjing University of Sci. and Tech. Nanjing, CHINA
Liuting Ting - Associate professor, Department of Mechanical Engineering, Nanjing University of Sci. and Tech. Nanjing, CHINA

The forming principles and characteristics of additive manufacturing technology are introduced at first stage , afterwards the development status and development trend at china and abroad are studied. Tthis study points out that China s research on additive manufacturing in order to improve molding accuracy and efficiency, and expanding the application fields of additive manufacturing. An in-depth analysis and comparative analysis of the mainstream molding process has certain guiding significance for understanding the additive manufacturing technology and its development status are presented.

Additive Manufacturing Technology, Development Status, Molding Precision, Molding Efficiency, Molding Process