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Design and Analysis of Translational Joint Using Corrugated Flexure Units with Variable thickness Segments

  • Nianfeng WangEmail author
  • Zhiyuan Zhang
  • Xianmin Zhang
Conference paper
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 73)

Abstract

The paper introduces a new type of translational joint using corrugated flexure (CF) beams that are formed by serially connecting variable thickness segments. Double elliptical curves are employed to construct the variable thickness segment and Mohr’s integral method is applied to derive the compliance of it. Modeling of the CF beam and the translational joint with variable thickness segments are further carried out through stiffness matrix method, which are confirmed by finite element analysis (FEA). Discussions about the variable thickness of the double elliptical curve segments are then conducted, which enable the translational joint to achieve both high off-axis/axial stiffness ratio and large motion. Experiments were also carried out to test the motion of the optimal design. The derived analytical model provides a new opinion on the design of the CF beam.

Keywords

Corrugated flexure unit Variable thickness segment Mohr’s integral method FEA 

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Notes

Acknowledgement

The authors would like to gratefully acknowledge the reviewers’ comments. This work is supported by

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Guangdong Provincial Key Laboratory of Precision Equipment and Manufacturing Technology, School of Mechanical and Automotive EngineeringSouth China University of TechnologyGuangzhouChina

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