FIELD: hitting of targets by jet of shots circulating in closed space. SUBSTANCE: proposed air-operated shot blasting machine has body, jet separator mounted uniaxially in body to form clearance between them in the form of communicating conduits having sizes ensuring travel of shots. Compressor with generating electric motor and individual power unit is built in body of machine for convenience and possible usage of machine under various conditions for lack of centralized energy carries such as air lines or electricity. Body of machine has pocket to store and feed shots into main conduit to keep level of shot jet in working chamber constant. To discontinue action of electromagnetic coil in step with stoppage of air supply its limit switch is installed in lower part of body. EFFECT: enhanced functional efficiency and improved handling of machine. 7 cl, 1 dwg
