BAND SAW MACHINE Russian patent published in 2003 - IPC

FIELD: machine tool manufacture, namely apparatuses such as band saw machines with hydraulic drive unit for cutting different materials, for example ferrous metals. SUBSTANCE: machine includes band saw arranged in sawing frame with possibility of changing feed at sawing process; hydraulic drive unit with hydraulic cylinder for realizing feed motion. Hydraulic drive unit includes double-side cylinder and flowrate regulator. The last is used for controlling pressure in rod cavity of above mentioned hydraulic cylinder and for controlling feed value of sawing frame. EFFECT: simplified design of machine. 1 dwg