Hydraulic semiautomatic saw SHI with complete hydraulic control. The machine is equipped with a control system and a hydraulic unit which, after starting the cycle, controls the closing of the vice, the saw cut, the exit to the selected position and the opening of the vice. The arm of the saw is pressed into the cut by a double acting hydraulic cylinder with the possibility of pressure and flow control. Manual shift of material. Turning the saw arm for angular cuts.