指数型超声变幅杆有限元分析与试验

Finite element analysis and experimental investigations for exponential type ultrasonic horn

针对传统解析法设计的变幅杆不能直接运用于超声振动系统,变幅杆结构需要修正的问题,采用有限元分析的方法对指数型超声变幅杆进行了优化设计,确定出变幅杆的最后结构,使设计的变幅杆符合实际应用要求;依据设计制造了一批变幅杆,并进行了谐振频率测试。测试数据经统计分析后,其结果表明有限元分析法设计的变幅杆可以较好地满足使用要求。

Aiming that the traditional horn based on the analytic method can not be applied to the ultrasonic vibrating system directly, the exponential nltrasonic horn here was optimized by finite element analysis, so that its structure could meet the application requirements. Also, a collection of optimized horns were produced to take a resonance frequency test. The result of a mathematical statistical analysis proves that the horns based on finite element analysis can satisfy the application better.