This machine is your right choice for polishing big slab, it comes with nice quality,high prodution and good polishing. This machine is for polishing granite and marble slabs. It pre-polish, rough-polish, finish-polish and burnish continuously.The polish spindle is controlled for counterpressure by a coaxial cylinder according to the stone character. The operator could choose the required speed of crossbeam and belt by an inverter.PC color touch screen controlled and programmed. Slab profile sensing through sensors.Miniimal raise of polish heads at slab exit and lowering at slab entry without variation of the programmed working pressure. Real time visualization of tools state. The control system inspects and optimizes the movement of polish head, crossbeam and belt to expert polishing. This machine can be controlled by telephone network in long range. Fault diagnosis system and production data statistics makes it more humanized. Parameter: Quantity of polishing head: 16 Working width: 600-2000 mm Working thickness: 15-50 mm Belt speed: 0-2500 mm/min Spindle motor power :11kw Total power :184.6 kw Water consumption: 25m3/h Producing capacity: around 60 m2/h Electric Power Support: 3phs 380V 50HZ Overrall dimensions (LXWXH) :11900x3970x2560 mm. 20 tons packed in plastic film good for long trip sea transport.