摘要 |
A system for feeding with a pressurised fluid a hydrostatic rotary table (2) for a machine tool, said hydrostatic rotary table (2) comprising first fifth-wheel means (3) provided with a plurality of hydrostatic pockets (T 1 , T 2 , ..., T 12 ) fed with said pressurised fluid for supporting second fifth-wheel means (4) rotating around a rotation axis (B) and arranged for supporting an element (20), comprises a plurality of feeding units (S 1 , S 2 , S 3 ) connected to each hydrostatic pocket (T 1 , T 2 , ..., T 12 ) by respective hydraulic resistances (R 1,1 , R 1,2 , R 1,3 ,..., R 12,3 ), each feeding unit (S 1 , S 2 , S 3 ) being arranged for providing said fluid with a respective feeding pressure (P 1 , P 2 , P 3 ) that is adjustable in function of an angular position (Æ) of said element (20) with respect to a reference axis (X) of said hydrostatic rotary table (2), said element (20) being arranged on said second fifth-wheel means (4) in a decentred manner in relation to said rotation axis (B). |