Electric arc spraying method
A technology of arc spraying and sandblasting, which is applied in the direction of coating, fusion spraying, metal material coating process, etc. It can solve the problems that metal wires are easy to be stained with oil, dust, uneven arc spraying layer, and reduce the effect of arc spraying, etc. , to achieve the effect of eliminating residual thermal stress, uniform and compact coating, and smooth outer surface of workpiece
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[0040]The present invention will be further described in detail below in conjunction with the drawings.
[0041]Referencefigure 1, Is an arc spraying method disclosed in the present invention, including the following steps:
[0042]S1: Preparation for construction, remove dust and impurities on the surface of the workpiece, and conduct all-round quality inspection on the sprayed parts of the workpiece;
[0043]S2: The surface to be sprayed is pretreated, and the surface of the workpiece is sandblasted by pneumatically controlled sandblasting equipment to make the roughness of the workpiece reach 90-120um;
[0044]S3: Metal wire pretreatment, use rust remover to clean the metal wire, after cleaning and drying, straighten the metal wire through the straightening machine, and polish the metal wire to make the surface smooth after straightening;
[0045]S4: Arc spraying, connect the air compressor and spray gun to the arc spraying power supply, install a wire feeder between the spray gun and the arc s...
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