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SURFACE TREATMENT EQUIPMENT

 


ELECTROPLATING PROCESS


Process flow chart galvanizing

 the name of the operationComposition of the solution, g / lTemperature, ° CThe current density, voltageThe treatment time, min.
01Hot degreasing
(necessary in case of heavy soiling))
Caustic soda 20-40
Degreasing agent
60 10
02Flushing 60 2
03EtchingHydrochloric acid (sulfuric acid) 80-100
Etchant
  10
04Flushing   2
05Electrochemical degreasingCaustic soda 20-40
Calcine soda 20-40
Threenatriumphosphate 20-40
7-805А/dm2
6-12V
10
06Flushing (neutralization)   2
07GalvanizingZinc chloride 80-100
Ammonium chloride 180-230 brighteners
Emollients
18-251-3А/dm2
6-12V
20-40
08Flushing   2
09LighteningNitric acid 18-25  1
10Flushing   2
11Passivation in chromate solutionsPassivating agent18-25 0.5
12Rinsing in cold water   2
13Rinse in hot water   5
14Drying 60 2

 

Process flow chart of copper plating

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

 

Process flow chart chrome plating

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

 

Process flow chart nickel

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

 

Process flow chart of anodizing

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



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