SURFACE TREATMENT EQUIPMENT

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ELECTROPLATING PROCESS


Process flow chart galvanizing

  the name of the operation Composition of the solution, g / l Temperature, ° C The current density, voltage The treatment time, min.
01 Hot degreasing
(necessary in case of heavy soiling))
Caustic soda 20-40
Degreasing agent
60   10
02 Flushing   60   2
03 Etching Hydrochloric acid (sulfuric acid) 80-100
Etchant
    10
04 Flushing       2
05 Electrochemical degreasing Caustic soda 20-40
Calcine soda 20-40
Threenatriumphosphate 20-40
7-80 5А/dm2
6-12V
10
06 Flushing (neutralization)       2
07 Galvanizing Zinc chloride 80-100
Ammonium chloride 180-230 brighteners
Emollients
18-25 1-3А/dm2
6-12V
20-40
08 Flushing       2
09 Lightening Nitric acid 18-25     1
10 Flushing       2
11 Passivation in chromate solutions Passivating agent 18-25   0.5
12 Rinsing in cold water       2
13 Rinse in hot water       5
14 Drying   60   2

 

Process flow chart of copper plating

01 Chemical degreasing (necessary in case of heavy soiling)
02 Flushing
03 Electrochemical degreasing
04 Rinse with warm running
05 Flushing cold running
06 Etching
07 Flushing
08 Activation
09 Flushing cold running
10 Copperplating
11 Rinse with warm running
12 Flushing cold running two-stage, mixing with air in the second stage
13 Drying

 

Process flow chart chrome plating

01 Chemical degreasing (necessary in case of heavy soiling)
02 Flushing
03 Electrochemical degreasing
04 Rinse with warm running
05 Flushing cold running
06 Etching
07 Flushing
08 Activation
09 Flush hot and extract massive parts to warm up
10 Chrome preliminary anodic activation of steel products
11 Washing with cold stagnant (capture)
12 Flushing cold running
13 Drying

 

Process flow chart nickel

01 Chemical degreasing (necessary in case of heavy soiling)
02 Flushing
03 Electrochemical degreasing
04 Rinse with warm running
05 Flushing cold running
06 Etching
07 Flushing
08 Activation
09 Flushing cold running
10 Nickel
11 Rinse with warm running
12 Flushing cold running two-stage, mixing with air in the second stage
13 Drying

 

Process flow chart of anodizing

01 Degreasing
02 Rinse in hot water
03 Flushing cold running
04 Etching
05 Flushing cold running
06 Ennobling
07 Flushing cold running
08 Anodizing
09 Rinse in hot water
10 Drying