Analysis of the 2D motion of a monolith platform mechanism
Mikołaj Czyrnek
Student of the Doctoral School at Cracow University of Technology
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e Grzegorz Tora
Laboratory of Techno-Climatic Research and Heavy Duty Machines, Faculty of Mechanical Engineering, Cracow University of Technology
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31 dic 2020
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Pubblicato online: 31 dic 2020
Ricevuto: 19 set 2020
Accettato: 11 dic 2020
DOI: https://doi.org/10.37705/TechTrans/e2020040
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© 2020 Mikołaj Czyrnek et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.
This paper summarises the results of motion analysis of a platform mechanism with a monolith design. A four-link planar mechanism was engineered in which the platform positioning is effected via one passive link and two eccentric links actuated by stepper motors. The prototype of the device was fabricated following a computation procedure based on the classical mechanism and machine theory and FEM calculations. Testing performed on the model and on the real device revealed the presence of two points on the platform for which the resultant of two independent perpendicular displacements implemented by two stages can be obtained for small values of angular displacement.