2022
DOI: 10.5194/ms-13-635-2022
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Stiffness analysis of a 3-DOF parallel mechanism for engineering special machining

Abstract: Abstract. There are considerably rigorous requirements for accuracy and stability of the mechanism to accomplish large-scale and complex surface machining tasks in the aerospace field. In order to improve the stiffness performance of the parallel mechanism, this paper proposes a novel three degrees of freedom (DOF) redundantly actuated 2RPU-2SPR (where R, P, U and S stand for revolute, prismatic, universal and spherical joints, respectively) parallel mechanism. Firstly, the kinematics position inverse solution… Show more

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Cited by 3 publications
(1 citation statement)
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“…Three architectures are structurally compared in the static structural analysis [22] using total deformation and equivalent stress (Von Mises). In the ANSYS Workbench Static Structural tool, the CAD models of the 3-PPRS manipulator are imported from SolidWorks as step files, and the manipulator's material was set to mild steel (MS).…”
Section: Static Structural Analysis Of 3-pprs Parallel Manipulatormentioning
confidence: 99%
“…Three architectures are structurally compared in the static structural analysis [22] using total deformation and equivalent stress (Von Mises). In the ANSYS Workbench Static Structural tool, the CAD models of the 3-PPRS manipulator are imported from SolidWorks as step files, and the manipulator's material was set to mild steel (MS).…”
Section: Static Structural Analysis Of 3-pprs Parallel Manipulatormentioning
confidence: 99%