method of recovery of rod u0433u0438u0434u0440u043eu0446u0438u043bu0438u043du0434u0440u0430

摘要

the invention relates to technology of hydraulic actuator cylinders re - establishing u0448u0442u043eu043au043eu0432 technology equipment, u0433u0443u0441u0435u043du0438u0447u043du043eu0433u043e and wheels the main rolling stock, remote support, steering and so on.can be used in technological processes of recovery u043fu043bu0443u043du0436u0435u0440u043eu0432 u043au0430u043bu0430u043du0434u0440u043eu0432, shaft, cylinder printing machines, counters and other u0431u044bu0441u0442u0440u043eu0438u0437u043du0430u0448 u0433u0438u0434u0440u043eu043au0440u0435u043fu0435u0439 u0438u0432u0430u044eu0449u0438u0445u0441u044f elements u0442u0440u0438u0431u043eu0441u043eu043fu0440u044fu0436u0435u043du0438u0439.the method of reconstruction of a rod u0433u0438u0434u0440u043eu0446u0438u043bu0438u043du0434u0440u0430, including preliminary machining surface, the steel cover, it will follow general grinding and u0433u0430u043bu044cu0432u0430u043du0438u0447u0435u0441u043au043eu0435 printing layer of chromium, according to the invention the steel cover is one of the methods u0440u0430u0441u043fu044bu043bu0435 gas thermo evaporation method implementation of the wires.made of u0432u044bu0441u043eu043au043eu0445u0440u043eu043cu0438u0441u0442u043eu0439 steel with a carbon content of not less than 0.4%, and after grinding the surface of the cover are u0434u0435u0444u043eu0440u043cu0430u0446u0438u043eu043du043du044bu043c u043fu043bu0430u043au0438u0440u043eu0432u0430u043du0438u0435u043c u0449u0435u0442u043au0430u043c a layer of copper, thickness s, determined from the expression:;where s is the thickness of the copper capillary; d0 - maximum diameter surface has a coating for; a = 5 to 8 microns is the function of the thickness of the needle brushes; b = (3.8 to 4.2) u221910 - 3 microns - u043au043eu044du0444u0444u0438u0446u0438 kent, being dependent on the speed and size of particle u0440u0430u0441u043fu044bu043bu0435u043du043du044bu0445 wire.the use of the proposed method can significantly improve the durability of the reconstructed u0448u0442u043eu043au043eu0432 cylinders and ensures the reliability of their u044du043au0441u043fu043bu0443u0430u0442 stock.