First, Dongguan screw manufacturers are rinsing screws, because this process is very important, the demand is very careful and careful, there will be residue left in the process of screw on the appearance. The process of rinsing is to clean the silicate cleaner.
Second, the screw during the heating process piled up to be realized, otherwise it will lead to a slight oxidation in the quench oil.
Third, to the appearance of high-strength screws will appear phosphide white residue, clarify (the first point) when the operation can not be carefully observed.
Fourth, if the Dongguan screw manufacturer finds that the appearance of parts and components has a blackening phenomenon and chemical reactions are used, it is clarified that the work performed in the heat treatment is not completely thorough, and the appearance of alkaline residues is not completely removed.
V. The rusting of the standard parts in the rinsing will occur, and the water used for rinsing should be frequently replaced.
Six, Dongguan screw manufacturers introduced, showing excessive rust scene illustrates the use of oil quenching oil for too long, the need to participate in new oil or replacement. It will cause the cabinet doors to fall off and endanger the safety of the operators