| Issue |
MATEC Web Conf.
Volume 167, 2018
2018 3rd International Conference on Mechanical, Manufacturing, Modeling and Mechatronics (IC4M 2018) – 2018 3rd International Conference on Design, Engineering and Science (ICDES 2018)
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|---|---|---|
| Article Number | 03004 | |
| Number of page(s) | 5 | |
| Section | Engineering Modeling and Mechatronics | |
| DOI | https://doi.org/10.1051/matecconf/201816703004 | |
| Published online | 23 April 2018 | |
A Study on Multi-body Dynamic Modelling and Optimization for Mechanical Quick Closing Valve
Research Institute of Physical and Chemical Engineering of Tianjin, Tianjin 300180, China
a Corresponding author: wang13o@163.com
The multi-body dynamic modelling and optimization methods of mechanical quick closing valve are studied in this paper. The Lagrange equation is specified characterizing the closing process. Normal contact force and tangent friction force between the components are obtained by using equivalent spring-damper model and no-linear coulomb friction model. The theoretical result of the valve’s kinematic response is verified by the experiment. In order to analyse the relationship between structural parameters and the closing behaviour intuitively, a single degree of freedom model is provided. It is shown that the mass of the control rod is the key parameter exerting important influence on the cut-off time of the valve. The cut-off time will be shortened by about 1.2ms while the mass of control rod reduces 0.01kg.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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