Maintenance workpiece: tailings pump guard jacket repairing,tailings pump guard plate repairing.
Material: High chrome alloy.
The condition before repairing: perforation scrap part.
Material selection: BD7011 slurry pump wear and corrosion protective coatings,BD426T special undercoat (topcoat).
Construction tools: angle grinder,wire brush,grinding wheel,plaster knife,plastic knife,rubber hammer,special rounding tools,hair brush,electronic scale.
Auxiliary materials: cleaning agent,duster cloth,gloves.
Construction technology of BD7011 slurry pump corrosive and abrasion resistant protective coating:
1.Clean up and polish pending-repair workpiece on the needing-repair part.
2.Configure BD426T special undercoat and brush coating on the pending-repair part.
3.Configure BD7011 slurry pump abrasion and corrosion repair coatings and make it be coating on the pending-repair part,knock on it to be compacted with rubber hammer,then trim the surface with special rounding tools,make the surface be flat and smooth.
4.Configure BD426T special undercoat and brush coating on the workpiece surface of repairing part as the topcoat.
5.Curing for 24 hours.
Material utilization amount: 25Kg BD7011 slurry pump anti corrosion wear resistant protective coating, 1.5Kg BD426T special undercoat.
