Nuova Mondial Mec Giraffa arm polisher .  3 phase 4KW Motor . Rugged and versatile arm polishing machine working over a water tray in steel sheet. The clearance between the bed and the honing plate is 300 mm. Thanks to the arm with joints on multiple axes. The maximum lifting stroke is 150 mm. A constant-velocity joint connecting the stone holding plate to the shaft axis of the swivelling arm allows a constant horizontal work and reduce the vibrations transmitted.