How to deal with orange peel and pinhole on the workpiece during cathodic electrophoresis?

The main reasons for the roughness of electrophoretic surface are as follows:

1, Yan-base ratio is too high; 2. The paint does not dissolve well; 3. Too much acid in the anolyte system; 4, the intermittent time between the workpiece out of the groove and cleaning is too long; 5. The flushing area is polluted.

The main treatment methods are as follows:

1, adjusted by adding resin; 2. Adding glacial acetic acid or sulfamic acid to adjust the PH value and change the feeding speed; 3. Adding PH regulator to increase the conductivity of anode solution; 4. Adjust the spraying time of the nozzle on the cleaning tank; 5. Reduce the solid content in the rinsing liquid or filter the rinsing liquid.

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