This hexapod controls position and attitude of the VLT new Deformable Secondary Mirror
. The hexapod is currently under test at our premises.
Its major features are hereafter summarized:
- payload = 500 Kg
- Z displacement stroke = +/- 51 mm
- Rx,Ry centering stroke = +/- 0,1 deg
- stiffness = 750 N/um (axial)
- min incremental step = 0.5 um, 0.5 arcsec