超声挤压换能器的设计与仿真分析

2021 IEEE International Conference on Electronic Technology, Communication and Information (ICETCI) Pub Date : 2021-08-27 DOI:10.1109/ICETCI53161.2021.9563379

K. Fan, Jia Haili, Lu Xianguo, Ji Xiaoyuan, He Hailong

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引用次数: 0

摘要

为满足航空航天、汽车等行业高端装备对零件表面耐磨性、抗疲劳性和配合性的高要求，采用超声振动挤压强化加工方法。针对目前市场上流行的超声波振动挤压设备在获得较好的表面加工效果的同时破坏了零件原有的同轴度，分析发现其刀具装配刚度大，容易使工件在挤压过程中产生一定的变形。研制了刚性较小、静态挤压压力可调的压电陶瓷超声振动加工系统，并通过实验分析了各加工参数对工件表面粗糙度的影响;验证了超声振动挤压后表面粗糙度和硬度得到有效提高，且同轴度一致。

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Design and simulation analysis of ultrasonic extrusion transducer

In order to meet the high requirements for wear resistance, fatigue resistance and mating of parts surface by high-end equipment in aerospace and automotive industries, ultrasonic vibration extrusion strengthening processing method is adopted. For the current market popular ultrasonic vibration extrusion equipment to obtain a better surface processing effect at the same time damage the original coaxiality of the parts, the analysis found that its tool assembly stiffness is large, easy to make the workpiece in the extrusion process to produce a certain deformation. We developed a piezoelectric ceramic ultrasonic vibration processing system with less rigidity and adjustable static extrusion pressure, and analyzed the influence of each processing parameter on the surface roughness of the workpiece through experiments; we verified that the surface roughness and hardness were effectively improved after ultrasonic vibration extrusion, and the coaxiality was consistent.

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来源期刊

2021 IEEE International Conference on Electronic Technology, Communication and Information (ICETCI)

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