PLANT FOR GAS-DYNAMIC DEPOSITION OF COAT FROM POWDERY MATERIALS Russian patent published in 2002 - IPC

FIELD: metallurgical, mechanical, ship and car repair and other branches of industry. SUBSTANCE: invention is directed at deposition of coats by method of gas dynamic spraying on articles of any geometry and size from various powdery materials: metals, their alloys, ceramics, plastic materials. Plant has power- generating units, system supplying compressed gas and electricity, gas heater, system feeding powdery material that includes powder feeder-scale and spraying unit coming in the form of chamber to level flow and accelerating supersonic nozzle communicating with it, system controlling process and stop and control valves. It has aid for movement in the form of platform placed on mobile chassis and additional separable platform put on it, additional abrasive material feeder-scale, telescopic rod and fixing means. Additional feeder-scale, gas heater and telescopic rod with means fixing spraying unit are mounted on additional separable platform and powder feeder- scale of coating material and spraying unit are installed on rod. EFFECT: improved quality of coats. 6 cl, 2 dwg