High-hardness antifriction plunger pump sliding shoe and preparation method thereof

The invention discloses a high-hardness antifriction plunger pump sliding shoe and a preparation method thereof. The preparation method comprises the following steps that a sliding shoe base body is subjected to phosphating treatment after being subjected to cleaning and surface treatment; after dry...

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Bibliographische Detailangaben
Hauptverfasser:	WU YEDONG, LIU YUE, ZHANG YUXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a high-hardness antifriction plunger pump sliding shoe and a preparation method thereof. The preparation method comprises the following steps that a sliding shoe base body is subjected to phosphating treatment after being subjected to cleaning and surface treatment; after drying, forming a phosphate coating with a coarse-grain porous structure on the surface; a solid self-lubricating coating is sprayed on the surface of the dried phosphate coating in an air spraying mode; a stable solid self-lubricating layer is formed through high-temperature curing, and the thickness of the self-lubricating layer is 15-25 microns. According to the preparation method, on the premise that the structure of the piston shoe of the plunger pump is not changed, the phosphate coating and the solid self-lubricating layer are prepared on the working face of the piston shoe, the composite coating has the wear-resisting and friction-reducing effects, the wear condition of the piston shoe of the plunger pump unde