PLANT FOR OBTAINING NANOSTRUCTURED COATINGS FROM MATERIAL WITH SHAPE MEMORY EFFECT ON CYLINDRICAL SURFACE OF PARTS

摘要

FIELD: machine building.;SUBSTANCE: plant includes a frame with a vacuum chamber arranged on it, a mechanism for fastening of a part with a socket and a back poppet, a part rotation mechanism, and a plasmatron with mechanism of its longitudinal movement, a powder material supply mechanism with shape memory effect, the first pyrometer for temperature measurement of the part before the front of plasma arc, a control device, a device for surface-plastic deformation (SPD) of the part for formation of a nanostructured layer, the second pyrometer, a step-down transformer, a gas-flame burner for gas-flame spraying, a process module for ionic cleaning of the processed part with a power supply and a part surface cooling device. Gas-flame burner and device for SPD are arranged on longitudinal plasmatron movement mechanism; at that, burner is installed at an angle of 45° or 90° to the part surface. Positive side of the power supply of the process module of ionic cleaning is connected to housing of vacuum chamber, and its negative side is connected to back poppet of the part fastening mechanism. The second pyrometer is installed in SPD zone and connected to the control device related to powder material supply mechanism and longitudinal plasmatron movement mechanism and the first pyrometer. Step-down transformer is connected to SPD device to provide an additional heating of the part surface. Cooling device is connected to longitudinal plasmatron movement device that is installed on the longitudinal movement mechanism at an angle of 46-50° to the part surface.;EFFECT: improving functional properties and reliability of the part coatings.;2 cl, 1 dwg, 2 ex