EXPERIMENTAL VERIFICATION OF THE STRUCTURAL AND TECHNOLOGICAL PARAMETERS OF THE PKS
Onderová , Iveta
Kolláth , Ludovít
Ploskuňáková , Lucia
PrávaCreative Commons Attribution 4.0 International License
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This paper presents the theoretical design for experimental verification of the structural and technological parameters of the Parallel Kinematic Structure. The experimental equipment was developed at the Faculty of Mechanical Engineering, STU in Bratislava. It is called Tricept, and due to its kinematics it is classified as a parallel structure. The previous phase of the project dealt with developing a mathematical model of the tool path. We have worked with two methods, a Monte Carlo method and the use of a mathematical analytical geometry structure. The calculated values were verified by comparing the results of the two methods. Based on the equations that were obtained, we can design the control of the tool path during cutting. The next stage focuses on the test methods and on verifying the structural and technological parameters of Tricept. The experiment is designed on the basis of the EN ISO 9283 standard, and involves testing the technological parameters: one-way positioning accuracy and repeatability of the position, changes of multidirectional positioning accuracy, repeatability and accuracy of the distance, position overshoot, drift of the position parameters, path accuracy, and repeatability of the path. This paper classifies the measurement methods and presents the measurement processes and the equipment for the experiment.
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