Design of novel flexible asymmetric piezoelectric microgripper

CHEN Xiaodong; HU Siya; DENG Zilong; GAO Xingjun

doi:10.13873/J.1000-9787(2021)05-0075-03

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Design of novel flexible asymmetric piezoelectric microgripper

更新时间：2025-09-11

- Design of novel flexible asymmetric piezoelectric microgripper
- Issue 5, Pages: 75-77(2021)
- 作者机构：
  
  辽宁石油化工大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2021)05-0075-03
  CLC： TH122
- Published：2021
- 稿件说明：
移动端阅览
CHEN Xiaodong, HU Siya, DENG Zilong, et al. Design of novel flexible asymmetric piezoelectric microgripper[J]. 2021, (5): 75-77.
DOI：

CHEN Xiaodong, HU Siya, DENG Zilong, et al. Design of novel flexible asymmetric piezoelectric microgripper[J]. 2021, (5): 75-77. DOI： 10.13873/J.1000-9787(2021)05-0075-03.

摘要

针对100～200μm的微管组件微装配的要求

设计并研究了一种基于柔性铰链的新型非对称柔性压电微夹钳。通过理论计算以及有限元分析微夹钳的夹持位移、夹持力以及夹持精度。利用压电驱动作为微夹钳的输入驱动

实验结果验证了理论计算以及有限元分析的正确性。非对称柔性压电微夹钳的位移放大比为4.55

与有限元分析结果和理论计算结果相比

误差分别为4.22%和8.43%

证实了设计的有效性。

Abstract

A novel asymmetrical flexible piezoelectric microgripper based on flexure hinges is designed and studied to meet the requirements of micro-assembly of micro-tubes whose diameter is 100～ 200 μm.The gripping displacement

gripping force and gripping precision of microgripper are analyzed by theoretical calculation and FEA.The piezoelectric actuator is used as input driver of the microgripper.The experimental results verify the correctness of the theoretical calculation and the FEA.The displacement amplification ratio of the asymmetric flexible piezoelectric microgripper is 4.55.Compared with the results of FEA and theoretical calculation

the errors are 4.22 % and 8.43 %

respectively.The validity of the design is verified.

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Related Institution

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