金属零件挤压加工由于材料利用率高,零件尺寸精确、质量好,而得到普遍的应用。但是,对于某些塑性差的材料应用挤压加工还受到限制。为了进一步扩大挤压加工,提高模具寿命,人们已成功的将超声机械振动应用在挤压过程中,即产生了超声挤压技术。超声挤压主要是利用超声驻波特性,使金 Metal parts extrusion processing due to high material utilization, precision parts size, good quality, and get universal application. However, the use of extrusion for some poorly ductile materials is also limited. In order to further expand the extrusion process, improve die life, people have been successful in the application of ultrasonic vibration in the extrusion process, which has produced ultrasound extrusion technology. Ultrasonic extrusion is mainly the use of ultrasonic standing wave characteristics, so gold