Low temp iron plating appts. for repairing deep hole steel bushing

In the utility model, a motor and an acid pump form a filter pump group, the end part of the liquid inlet of the acid pump is provided with a filter net, and the telescopic liquid suction pipe of a one-way valve is inserted in a plating groove. The end part of the liquid outlet of the acid pump is provided with a filter net, and the liquid outlet pipe extends in a small plating groove in the plating groove. The pH value plated by the utility model, the concentration of iron ion, and other parameters are all relatively stale, the quick deposition of the iron ion on a plating surface is ensured, and thus, the plating coatings are uniform.