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Positioning System with High Long-Term Stability
Precision Alignment of Components and Samples with up to Six Degrees of Freedom
The extremely accurate parallel-kinematic positioning system can not only position loads up to 1 kg in six degrees of freedom with nanometer precision, but also keep them in a long-term stable position. The basis of this is made up of six linear stages, which are arranged respectively in three 90-degree-offset double stacks acting on a motion platform. This allows them to achieve a maximum travel range of ±7 mm in the X and Y directions and ±5 mm in the Z direction. The rotation range of the three rotational axes are a maximum of ±7° (in θX, θY) or ± 8 degrees (in θZ). Piezoelectric inertia drives are the driving force for the linear stages. Thanks to their holding torque at rest, no energy is consumed while holding at the target position and no heat is generated. This means that the positioning systems are also suitable for applications in a vacuum (vacuum compatible to 10-6 hPa).
Mounting in any Spatial Arrangement
Mounting of the long-term stable positioning system is possible in any spatial arrangement. The quality of the preloaded Cardan und linear bearings allows the same performance in "upside down" or "lateral hanging" applications. The construction allows adaptation to the respective load case, but other customer requirements can also be realized within a very short time. The C-886 multi-axis controller is recommended for control, which can be easily integrated into the system and, with the help of the PIMikroMove software, allows user-friendly control. Corresponding software modules are available for integration into external applications such as Matlab, LabView etc. If required, the controller is able to control drives for two additional axes via add-on cards.
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