Abstract
owing to the increasing interest in parallel kinematics different parallel and hybrid Systems were proposed and realized in recent years. Due to the different structures and drive principles there are a lot of design possibilities. In order to enable a comparison between the systems among each other and with the conventional systems the criteria of comparison have to be adapted to the parallel kinematics. Already a comparison between fully parallel kinematics and hybrid kinematics appears difficult due to their different characteristics such as workspace, stiffness, isotropy and so on. Also, there are a lot of possibilities of construction. For example, the chosen drive type and the applied joints affect the comparison criteria.
In the paper an overview of the existing parallel kinematics and their applications is given. After that, two different systems and their properties are introduced. Thereby different boundary conditions (drive system, joint angles, strut arrangement) are taken into account and their influence onto the system characteristics is examined. As criteria for the comparison the resulting workspace and stiffness were chosen because, on the one hand, the ratio between the workspace and the size of the machine is considered as the main disadvantage of parallel kinematics, on the other hand, the high stiffness is the main advantage of these systems.
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© 1999 Springer-Verlag Wien
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Tonshoff, H.K., Gunther, G., Grendel, H. (1999). Evaluation of Fully Parallel and Hybrid Kinematics for Advanced Manufacturing Systems. In: Kuljanic, E. (eds) AMST ’99. International Centre for Mechanical Sciences, vol 406. Springer, Vienna. https://doi.org/10.1007/978-3-7091-2508-3_6
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DOI: https://doi.org/10.1007/978-3-7091-2508-3_6
Publisher Name: Springer, Vienna
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