Electroplating tank It is used for holding plating solutions in processes such as galvanizing, copper plating, nickel plating, and gold plating. The movable cathode electroplating tank consists of a steel tank lined with soft PVC plastic, a conductive device, steam heating tubes, and a cathode-moving mechanism. The tank body can also be made of steel-lined rigid polyvinyl chloride; the choice of tank structure depends on the properties and temperature of the plating solution. The mechanism comprises a motor, a reducer, an eccentric disc, connecting rods, and support roller wheels.

I. The electroplating tank manufacturer discusses the maintenance of copper tanks.

1. The electroplating tank manufacturer states that the plating solution should be analyzed weekly, and any missing chemical raw materials should be replenished promptly to ensure that the plating solution’s composition remains within the process specifications. Every two days, a Hall cell test should be conducted on the plating solution to monitor its condition.

2. Check the filter’s condition daily to ensure there are no air or liquid leaks, and clean the filter once a week.

3. The electroplating tank manufacturer says to install a cooling device to keep the tank temperature below 30°C.

4. Pay attention to changes in cell pressure. When the plating tank pressure is abnormal, carefully check the number and conductivity of the anodes. Clean the cathode conductive seat once a week to enhance its conductivity and prevent power outages caused by poor conductivity of the conductive seat.

5. Clean the tank every six months, wash the anode bags, promptly replace any damaged anode bags, and use double anode bags.

6. The electroplating tank manufacturer says to remove carbon once a week, with a carbon removal amount of 0.2 to 0.4 kg per 1,000 L.

II. The electroplating tank manufacturer discusses the maintenance of nickel tanks.

1. Maintain the temperature between 55 and 60°C. The temperature for pre-nickel plating and semi-bright nickel plating should not exceed 65°C to prevent the coating from darkening.

2. The electroplating tank manufacturer advises checking the pH of the plating solution twice daily and maintaining it within the range of 4.0 to 4.2. When the pH is too high, adjust it using dilute H₂SO₄ (around 30% concentration); when the pH is too low, adjust it using dilute NaOH (around 10% concentration).

3. Promptly remove any crystallized plating solution from the edges of the tank to prevent excessive buildup that could lead to defects such as burrs and pitting on the plated surface.

4. The electroplating tank manufacturer emphasizes that filtration of the plating solution is crucial for nickel baths, and the filtration efficiency must be excellent. Carbon should be added at least once a week, at a dosage of 0.2 to 0.5 kg per 1,000 liters.

5. The electroplating tank manufacturer advises that the pre-nickel plating bath should be inverted every three months, the anode bags should be thoroughly cleaned, worn-out anode bags should be inspected and replaced, and the plating solution should be treated every six months. Semi-bright nickel and bright nickel baths should be inverted every six months; worn-out anode bags should be cleaned and replaced, and the baths should be treated at least once a year.

6.) When the plating tank is idle, remove metal impurities using a low current (0.2 to 0.5 A/dm).

7. Check the conductivity of each component to ensure good conductivity.

8. Every two days, perform a Hall cell test on the plating bath to monitor its condition. Analyze the plating solution composition once a week and add materials promptly as needed.

9. The electroplating tank manufacturer points out that zinc impurities can easily enter the pre-nickel plating solution, so a certain amount of decontamination water is needed to control the harmful effects of zinc ions on electroplating. When selecting decontamination water, it’s important to choose products with low sulfur content, as adding decontamination water with high sulfur content can easily lead to bubble formation between the pre-nickel plating and the acid copper layer.

III. The electroplating tank manufacturer discusses the maintenance of chromium tanks.

1. Keep the槽 temperature below 40°C, and the chrome plating bath should be regularly stirred with a gentle gas flow.

2. Clean the chrome-plating tank every three months and remove the anode for thorough cleaning.

3. Electroplating tank The manufacturer says they analyze the ingredients every two days and promptly add the necessary materials.