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The new aluminum and aluminum alloy plating pretreatment process
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The new aluminum and aluminum alloy plating pretreatment process

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2020-06-29
  • Views:0

(Summary description)　　Aluminum and aluminum electrolysis in the electrolyte can form a coating, but the coating adhesion is not strong, easy to peel. Therefore, the first in an aqueous solution of aluminum deposited coatings containing zinc oxide compound and then plated, this approach both for zinc replacement method or deposition method. Also be the first in a porous aluminum oxide and aluminum alloy surface treatment obtained by anodizing a thin layer of power, during plating.
　　Conventional aluminum and aluminum alloy plating process
　　Aluminum and aluminum alloy plating process has pre-plating treatment, electroplating, plating process after three parts. The pros and cons before plating plating process is the most critical step of the quality of products related to its main purpose is to remove grease aluminum and aluminum alloy surfaces, naturally formed oxide film and other contaminants.
　　Conventional general process: degreasing - washing - minus erosion - washing - pickling - water - activated - washing - a dip zinc - water - retreat zinc - washing - secondary zinc - washing - neutral nickel - washing - subsequent plating.
　　Due to the traditional pre-treatment of aluminum and aluminum less than common consent, therefore, must be improved.
　　Improved Universal aluminum and aluminum alloy plating pretreatment process
　　Degreasing alkaline etching Combo - washing - pickling - washing - go gray - washing - alkaline activation - dip zinc - washing - neutral nickel - washing - subsequent plating.
　　New processes for the current actual defect aluminum plating, combined with aluminum teach their special physical and chemical properties, make improvements on the basis of the original process, specifically the following advantages:
　　1. short process, by selective dissolution of the surface layer of aluminum other metals to improve the purity of aluminum surface coating adhesion is improved.
　　2. The first place of acid activation process to completely remove with alkaline activation of the alloy in the plating process before the residual silicon and silicone surface, effectively improve the coating adhesion.
　　3. Alkaline activation without washing directly dip zinc, can avoid the acidic activator to form an oxide layer and then the second time after washing dip zinc exposed in the air.
　　The only time you can simply dip zinc coating adhesion was significantly better than secondary zinc and complex multi-zinc cyanide leaching process.
　　5. The process of wide versatility, aluminum plating used in almost all grades of pre-treatment.
　　6. Product plating time pass rate was significantly higher than the traditional process. If the binding force alone to assess the quality of the coating, the pass rate of nearly 100%.
　　7. Simple actual production process and convenient operation.
　　8. The time scale gantry automatic production line to prove the actual production, improved before new aluminum plating process is very stable.
　　9. facilitate the plating process on the basis of the traditional aluminum alloy for process improvements.
　　10. Use the power-ho into aluminum oxide, the film can be achieved quickly increase speed and shorten the time of the film, save resources and achieve cost savings effect.

The new aluminum and aluminum alloy plating pretreatment process

(Summary description)　　Aluminum and aluminum electrolysis in the electrolyte can form a coating, but the coating adhesion is not strong, easy to peel. Therefore, the first in an aqueous solution of aluminum deposited coatings containing zinc oxide compound and then plated, this approach both for zinc replacement method or deposition method. Also be the first in a porous aluminum oxide and aluminum alloy surface treatment obtained by anodizing a thin layer of power, during plating.
　　Conventional aluminum and aluminum alloy plating process
　　Aluminum and aluminum alloy plating process has pre-plating treatment, electroplating, plating process after three parts. The pros and cons before plating plating process is the most critical step of the quality of products related to its main purpose is to remove grease aluminum and aluminum alloy surfaces, naturally formed oxide film and other contaminants.
　　Conventional general process: degreasing - washing - minus erosion - washing - pickling - water - activated - washing - a dip zinc - water - retreat zinc - washing - secondary zinc - washing - neutral nickel - washing - subsequent plating.
　　Due to the traditional pre-treatment of aluminum and aluminum less than common consent, therefore, must be improved.
　　Improved Universal aluminum and aluminum alloy plating pretreatment process
　　Degreasing alkaline etching Combo - washing - pickling - washing - go gray - washing - alkaline activation - dip zinc - washing - neutral nickel - washing - subsequent plating.
　　New processes for the current actual defect aluminum plating, combined with aluminum teach their special physical and chemical properties, make improvements on the basis of the original process, specifically the following advantages:
　　1. short process, by selective dissolution of the surface layer of aluminum other metals to improve the purity of aluminum surface coating adhesion is improved.
　　2. The first place of acid activation process to completely remove with alkaline activation of the alloy in the plating process before the residual silicon and silicone surface, effectively improve the coating adhesion.
　　3. Alkaline activation without washing directly dip zinc, can avoid the acidic activator to form an oxide layer and then the second time after washing dip zinc exposed in the air.
　　The only time you can simply dip zinc coating adhesion was significantly better than secondary zinc and complex multi-zinc cyanide leaching process.
　　5. The process of wide versatility, aluminum plating used in almost all grades of pre-treatment.
　　6. Product plating time pass rate was significantly higher than the traditional process. If the binding force alone to assess the quality of the coating, the pass rate of nearly 100%.
　　7. Simple actual production process and convenient operation.
　　8. The time scale gantry automatic production line to prove the actual production, improved before new aluminum plating process is very stable.
　　9. facilitate the plating process on the basis of the traditional aluminum alloy for process improvements.
　　10. Use the power-ho into aluminum oxide, the film can be achieved quickly increase speed and shorten the time of the film, save resources and achieve cost savings effect.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2020-06-29
  • Views:0
Information
　　Aluminum and aluminum electrolysis in the electrolyte can form a coating, but the coating adhesion is not strong, easy to peel. Therefore, the first in an aqueous solution of aluminum deposited coatings containing zinc oxide compound and then plated, this approach both for zinc replacement method or deposition method. Also be the first in a porous aluminum oxide and aluminum alloy surface treatment obtained by anodizing a thin layer of power, during plating.
　　Conventional aluminum and aluminum alloy plating process
　　Aluminum and aluminum alloy plating process has pre-plating treatment, electroplating, plating process after three parts. The pros and cons before plating plating process is the most critical step of the quality of products related to its main purpose is to remove grease aluminum and aluminum alloy surfaces, naturally formed oxide film and other contaminants.
　　Conventional general process: degreasing - washing - minus erosion - washing - pickling - water - activated - washing - a dip zinc - water - retreat zinc - washing - secondary zinc - washing - neutral nickel - washing - subsequent plating.
　　Due to the traditional pre-treatment of aluminum and aluminum less than common consent, therefore, must be improved.
　　Improved Universal aluminum and aluminum alloy plating pretreatment process
　　Degreasing alkaline etching Combo - washing - pickling - washing - go gray - washing - alkaline activation - dip zinc - washing - neutral nickel - washing - subsequent plating.
　　New processes for the current actual defect aluminum plating, combined with aluminum teach their special physical and chemical properties, make improvements on the basis of the original process, specifically the following advantages:
　　1. short process, by selective dissolution of the surface layer of aluminum other metals to improve the purity of aluminum surface coating adhesion is improved.
　　2. The first place of acid activation process to completely remove with alkaline activation of the alloy in the plating process before the residual silicon and silicone surface, effectively improve the coating adhesion.
　　3. Alkaline activation without washing directly dip zinc, can avoid the acidic activator to form an oxide layer and then the second time after washing dip zinc exposed in the air.
　　The only time you can simply dip zinc coating adhesion was significantly better than secondary zinc and complex multi-zinc cyanide leaching process.
　　5. The process of wide versatility, aluminum plating used in almost all grades of pre-treatment.
　　6. Product plating time pass rate was significantly higher than the traditional process. If the binding force alone to assess the quality of the coating, the pass rate of nearly 100%.
　　7. Simple actual production process and convenient operation.
　　8. The time scale gantry automatic production line to prove the actual production, improved before new aluminum plating process is very stable.
　　9. facilitate the plating process on the basis of the traditional aluminum alloy for process improvements.
　　10. Use the power-ho into aluminum oxide, the film can be achieved quickly increase speed and shorten the time of the film, save resources and achieve cost savings effect.

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