Currently, the industrial development of the ocean is actively developing and one of the main directions of work on the study of its resources is the extraction of minerals. For the extraction of minerals on the shelf a complex of machines and apparatuses has been created, which includes dredgers, underwater bulldozers of "Komatsu" type, robots "Nihon" and "Komatsu", RUM apparatus, "Hitachi" system, various walking rigs developed and tested in the Soviet Union.
The USSR does not produce serial stone-cutting machines capable of working natural stone at a depth of more than I m (except for rope saws). According to the task of Glavlenstroymaterialov PKGB were determined parameters bar stone-cutting machine, designed for the extraction of limestone in the quarries of enterprises of the building materials industry to a depth of up to 2 m in one pass ...