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2015 | OriginalPaper | Chapter

Dynamic Characteristics of Two Cylinders’ Joint Surfaces Based on Fractal Theory

Authors : Xiaopeng Li, Xue Wang, Jiasheng Li, Muyan Li, Shujun Li

Published in: Recent Advances in Mechanism Design for Robotics

Publisher: Springer International Publishing

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Abstract

In order to reveal the deformation state of elastomer actually, the fractal model of the M-B is modified, and deformation properties of elastic stage, elastic-plastic stage and plastic stage of elastomer are analyzed. From the combination of macro and micro perspective, the fractal model of contact stiffness between two cylinders’ joint surfaces is established considering the influence of friction, which is proofed to be feasible by numerical simulation. Moreover, the Fixed curved joint is taken as a research object, the dynamic model is established by the method of spring element, and the first 6 natural frequencies is obtained by the finite element analysis method. Finally, the natural frequency and model analysis obtained from theory and experiment are comparative analyzed. The results show that the established stiffness model is well suitable for the reality of joint surface. Then a new approach for the treatment of joint surface, which is largely present in robotics and NC machine tool etc. are completely provided.

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Title: Dynamic Characteristics of Two Cylinders’ Joint Surfaces Based on Fractal Theory
Authors: Xiaopeng Li
Xue Wang
Jiasheng Li
Muyan Li
Shujun Li
Publisher: Springer International Publishing
Book: Recent Advances in Mechanism Design for Robotics
Print ISBN: 978-3-319-18125-7

Electronic ISBN: 978-3-319-18126-4

Copyright Year: 2015
DOI: https://doi.org/10.1007/978-3-319-18126-4_28

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