Select hexapod model
PI software simulates real application situation
Which hexapod is suitable for an application and what effect do external factors have? The simulation tool from Physik Instrumente (PI) can be used to check whether a hexapod is suitable for the respective positioning task and in which version.
The user can simulate e.g. workspace, mechanical loads caused by masses or external forces, reference coordinate systems or pivot points conveniently and without in-depth specialist knowledge.
For multi-axis positioning applications, parallel kinematic hexapods are often used instead of stacked individual axes. They are more compact, achieve high dynamics in all axes and are available in many versions for different loads and travel distances.
Are the working range and load suitable?
In order to clarify the question of which hexapod is suitable for a particular application, data sheet information is only of limited help. Although they provide detailed information about the maximum travel of the individual axes, for example, the limits of the working space of a parallel kinematic system vary depending on the current position (translation and rotation coordinates), the current pivot point coordinates (pivot point) and the selected reference coordinate system. With the simulation tool, these limits can now be calculated for standard hexapods in Cartesian coordinates, displayed graphically and adapted to the application. Mechanical problems that could occur in the application can thus be localized and solved without a hexapod or controller.
The same applies to the load limit value of the Hexapod, which also varies depending on various factors. These include the installation position of the Hexapod, the planned load and, above all, the position of the center of mass, the respective position of the movement platform (translation and rotation coordinates) as well as the forces and moments acting on the movement platform of the Hexapod and on the individual legs. These influencing factors can also be simulated with graphical support, for example using a slider, in order to clarify which hexapod design might be suitable. This makes it much easier to get started with parallel kinematic positioning solutions. as
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