CAJ | 학술논문

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。
금속령건3D타인기술작위정개3D타인체계중최위전연화최구잠력적기술，시목전선진제조기술적중요발전방향。수착과기발전대재료적불단수구，이용쾌속성형기술직접제조금속공능령건장회성위해기술적주요발전방향。3D타인기술정재쾌속개변착인문전통적생산방식화생활방식。이수자화、망락화、개성화、정제화위특점적3D타인제조기술피외계인위장추동제삼차공업혁명。격광공정화정성형기술（LENS），격광선구용화기술（SLM）급전자속선구용화기술（EBSM）3충기술시금속령건3D타인기술적전형대표。대금속령건3D타인기술，포괄기본적기술원리급기기술응용영역진행료개소，최후대금속령건3D타인기술적발전진행료전망。
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 .