A hydraulic semiautomatic band saw machine SHI with a complete hydraulic controll. The machine is equipped by a controll system and by a hydraulic agregate which after the starting a cycle controlls vice clamping, cut, arm lifting to a selected location and vice opening. The arm of machine is pushed towards the cut by a double acting hydraulic cylinder with a possible regulation of a press and rate of flow. Material is manually manipulated. Turning arm for angle cuts.