基于组合放大原理的柔性压电微夹持器设计

IF 2.7
Xiaodong Chen , Zilong Deng , Siya Hu , Jinhai Gao , Xingjun Gao
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引用次数: 9

摘要

针对传统微夹持器放大倍率低的问题,设计了一种基于组合放大原理的两级微夹持器,具有放大倍率高、位移大、结构简单紧凑的特点。首先用投影定理计算理论输入变量和输出变量之间的关系。其次,采用有限元分析方法对微夹持器进行了性能分析。最后,通过实验验证了理论计算和有限元分析的准确性。结果表明,该微夹持器具有较高的放大倍率和平行夹持能力,对许多不规则形状的微物体具有自适应性。实际放大倍数为23.2倍,大于同类产品。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of a flexible piezoelectric microgripper based on combined amplification principles

Aiming to address the problem of the low amplification ratio of traditional microgrippers, a two-stage microgripper based on the principle of combined amplification was designed with a high amplification ratio and large displacement, using a simple and compact structure. The relationship between theoretical input variables and output variables were first calculated by a projection theorem. Secondly, the performance of the microgripper was analyzed by finite element analysis (FEA). Finally, the accuracy of the theoretical calculation and FEA was verified experimentally. The results show that the microgripper has high magnification and can be gripped in parallel, with self-adaptability for many irregular shaped micro objects. The actual magnification was 23.2×, which is greater than similar products.

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