金属零件3D打印技术的应用研究

金属零件3D打印技术作为整个3D打印体系中最为前沿和最具潜力的技术,是目前先进制造技术的重要发展方向。随着科技发展对材料的不断需求,利用快速成形技术直接制造金属功能零件将会成为该技术的主要发展方向。3D打印技术正在快速改变着人们传统的生产方式和生活方式。以数字化、网络化、个性化、定制化为特点的3D打印制造技术被外界认为将推动第三次工业革命。激光工程化净成形技术（LENS）,激光选区熔化技术（SLM）及电子束选区熔化技术（EBSM）3种技术是金属零件3D打印技术的典型代表。对金属零件3D打印技术,包括基本的技术原理及其技术应用领域进行了介绍,最后对金属零件3D打印技术的发展进行了展望。

The Applications and Progress of Manufacturing of Metal Parts by 3 D Printing Technology

Manufacturing of metal parts by 3D printing technology, as the most advanced and potential technology of 3D printing technologies, presents the most important direction of modern advanced manufacturing technologies .With the de-velopment of science and technology constantly demanding for materials , utilizing the rapid proto-typing technology to pro-duce metal functional parts directly will be the main research direction.3D printing technology is rapidly changing our tra-ditional production mode and life style.3D printing manufacturing technology, which is networked and personalized, will drive the third industrial revolution.Laser engineered net shaping （LENS）, selective laser melting （SLM） and electron beam selective melting （ EBSM） are the typical representatives of the metal parts 3D printing technology.Based on the three types of technologies, the metal parts 3D printing technology and its basic principles and application fields are intro-duced.At last, the development prospect of the printing technology is discussed .