Method of grinding and grinding system for billets.

A METHOD OF ERODED, to which a material (6) ABRASIVO is ejected from a nozzle (1, 108) ON POSITION (3, W) and to erode the SAME, AND THAT IS APPLIED FOR A STEP MOLDING CONTINUOUS OR ONE STEP SUBSEQUENT OF THIS, which method it is characterized in that the abrasive material MIXED WITH WATER HIGH PRESSURE IS APPLIED IN THE FORM OF AN INJECTION TO THE SURFACE OF A POSITION AS TO ABRADED A PORTION OF iT THAT HAS FLAWS (12, 12 '', 12 ", 12" '); EROSION AND SYSTEM FOR PRACTICING THE METHOD OF ERODED, having a source (19-20, 103) SUPPLY OF A HIGH PRESSURE FLUID AND an abrasive material, a nozzle (4, 102) CONNECTED TO THE POWER SUPPLY, AND A COMBINATION OF A UNIT (104) aBRASIVE MATERIAL RECOVERY TO RECOVER AS NEEDED abrasive material, which has been used for an operation eRODED AND RETURN THE SAME TO THE POWER SUPPLY, and means (15-16 , 101) SCREENING imperfections.