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  1. 3 Czasopismo Techniczne

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  1. 2 2016

  2. 1 2015

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  1. 3 Lisowski F.

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Numerical computation of stresses and deformations in the planetary roller screw components

100%
Lisowski F.
Czasopismo Techniczne
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PL
The paper presents finite element analysis of stresses and deformations of planetary roller screw components. The finite element model takes into account the frictional contact between helical surfaces. The results of numerical calculations for the contact problem were compared with the theoretical solution based on the Hertz theory. The obtained results can be used in the development of design procedures of planetary roller screw.
2
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Optimization of a curvilinear thread profile in a planetary roller screw

100%
Lisowski F.
Czasopismo Techniczne
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-
PL
The paper presents an application of the Finite Element Method (FEM) in stress analysis and optimization of thread profiles in cooperation of the roller with the screw in the planetary roller screw mechanism. The problem of the roller and the screw threads cooperation as well as related geometrical parameters were described. The optimization problem was formulated with the aim of obtaining a better effort of threads and lower contact pressure depending on the geometry.
3
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Application of finite element method in the optimal design of the nut with a groove in the end-face

100%
Lisowski F.
Czasopismo Techniczne
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-
PL
The paper presents an application of finite element method in the optimal design of the nut with a groove in the end-face. There were described issues of the load distribution and FEM modeling of threaded connections. The optimization problem was formulated with the aim of obtaining the uniform load distribution on the bolt’s thread depending on the geometry of nut.
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