中文摘要：

简要介绍了超声波金属焊接的原理和设备，通过试验讨论焊接参数及工艺对焊接强度的影响，分析了将超声波焊接应用于分层实体制造的可行性．

英文摘要：

The paper summarizes the principle and equipments of ultrasonic metal welding briefly. Through experiments, the impact of welding parameters and process on the strength is discussed. The feasibility of applying ultrasonic welding to laminated object manufacturing are analyzed.