双振子垂直驱动式压电振动送料器的设计
沈燕虎1, 苏江1, 刘勇2, 杨志刚2, 王坤坤1

Design of piezoelectric vibratory feeder vertically driven by two piezoelectric vibrators
SHEN Yan-hu1, SU Jiang1, LIU Yong2, YANG Zhi-gang2, WANG Kun-kun1
图4 系统的前三阶振动模态
Fig.4 The first three order vibration modes