【摘要】 提出波导内腔超声推挤原理和装置，采用具有频率自动跟踪系统的超声波 发生器，给出变幅杆-推刀振动子系统的谐振频率、位移节点、放大倍数等计算公式， 测出了声学系统的电导-电纳特性，并进行了工艺试验，探讨了超声推挤过程。更多还原

【Abstract】 We advance a new way called ultrasonic broaching and pr oduce a set of ultrasonic broaching device, which includes ultrasonic generator with frequency tracking. In this paper,the calculating formula of resonance frequency￡displac ement node and amplifying coefficient of the amplifier-cutter subsystem is given , the impedance property of vibrating system is tested,the process test is dev eloped.更多还原