MATEC Web Conf.
Volume 353, 20214th International Conference on Advances in Materials, Machinery, Electronics (AMME 2021)
|Number of page(s)||4|
|Published online||20 December 2021|
Stresses and deformations of an eccentric cylindrical cam during hydro-joining
1 Tarim Oilfield Company, PetroChina, Korla, 841000, China
2 Xi’an Shiyou University, Xi’an, 710065, China
3 Jiaying University, Meizhou, 514015, China
* Corresponding author: email@example.com
The stresses and deformations of an eccentric cylindrical cam during the process of hydro-joining have been calculated in orthogonal curvilinear coordinates according to the mechanical model of the cam and governing equations in terms of appropriate complex potentials with suitable boundary conditions. The radial and shearing stress coefficients determined for an example cam are far less than that of the tangential stress during hydro-joining. The tangential stress coefficient of the outer surface of the cam is greater than that of the internal surface when the polar angle exceeds a particular value. The position of the maximum value of the radial stress coefficient is located on the internal surface of the cam, and the maximum shear stress coefficient is located between the inside and outside surfaces of the cam. The cam deformations on the internal and external surfaces under internal pressure respectively attain maximum values at particular angles. The maximum values of the radial and y-directional deformations are located at the position of the minimum wall thickness. The radial deformations determined for an example cam are far larger that the tangential deformations during hydro-joining. The errors between the theoretical and numerical solutions for the tangential stress and the y-directional deformation are both very small.
Key words: Eccentric cylindrical cam / stress / deformation / complex potential / orthogonal curvilinear / coordinates
© Owned by the authors, published by EDP Sciences, 2021
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