工程设计学报2025，Vol.32Issue(2)：252-261,10.
嵌套余弦函数型多轴柔性铰链的设计与分析
Design and analysis of nested cosine function type multi-axis flexure hinge
摘要
Abstract
The notch shapes of existing flexure hinges are primarily limited to conic sections and their combinations,which tend to fail due to excessive stress under complex loads and large angular movements.Therefore,a novel nested cosine function type multi-axis flexure hinge is designed.Firstly,based on the finite beam compliance matrix modeling(FBMM)method,the compliance and precision models of the novel flexure hinge were established.Compared with the finite element simulation results of ANSYS Workbench software,the relative errors of compliance and precision were less than 4.89%and 4.97%respectively,which verified the validity of theoretical models.Then,the effects of structural parameters on the compliance,precision and compliance-precision ratio of the novel flexure hinge were discussed,and compared with elliptic type,arc type and sinusoidal type multi-axis flexure hinges.The results indicated that the designed flexure hinge had the characteristics of high flexibility and low stress.Finally,an experimental platform for flexure hinge was built to test the deformation.The relative error between the measured results and the theoretical results was less than 8%,which further verified the validity of the compliance model.The nested cosine function type multi-axis flexure hinge can provide reference for the design of large-stroke compliant precision positioning stages.关键词
多轴柔性铰链/有限梁柔度矩阵建模/柔度/应力/有限元仿真Key words
multi-axis flexure hinge/finite beam compliance matrix modeling/compliance/stress/finite element simulation分类
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徐美娟,汪启亮,洪永烽,龙益平,刘通,郭彬..嵌套余弦函数型多轴柔性铰链的设计与分析[J].工程设计学报,2025,32(2):252-261,10.基金项目
国家自然科学基金资助项目(51905239) （51905239）
江西省教育厅科学技术研究项目(GJJ160656) （GJJ160656）
江西省自然科学基金资助项目(20181BAB216019) （20181BAB216019）
