Electroplating hard chrome is a surface treatment technology that improves the hardness, wear resistance, corrosion resistance and other properties of the metal by electroplating a layer of hard chrome on the metal surface.
Author: Marisa
Electroplating hard chrome is a surface treatment technology that improves the hardness, wear resistance, corrosion resistance and other properties of the metal by electroplating a layer of hard chrome on the metal surface.
Electroplating hard chrome is a relatively complex process, which mainly includes preparation, electrolyte preparation, electroplating operation and other links.
First is the preparation. Before electroplating hard chrome, the workpiece needs to be cleaned to ensure that there are no impurities and oil on the surface. Then the surface treatment is carried out, usually grinding, polishing and other processes to ensure a smooth and flat surface. Then the insulation treatment is carried out, that is, a layer of conductive paint is applied on the surface of the workpiece to ensure the electroplating effect.
The second is the electrolyte preparation. The electroplating solution for hard chrome electroplating is usually a complex formula composed of multiple chemical substances such as chromium sulfate, sulfuric acid, nickel sulfate, potassium sulfate, etc. In the preparation process, the concentration and proportion of each chemical substance need to be accurately controlled to ensure that the performance of the electroplating solution meets the requirements.
Electroplating operation. The prepared and surface-treated workpiece is suspended in the electroplating tank and connected to the anode to form a circuit. By applying appropriate current and time, hard chrome is deposited from the electrolyte to the surface of the workpiece to form a uniform coating. During the electroplating process, it is necessary to constantly monitor parameters such as current density, temperature, and pH value, and adjust them as needed to ensure the stability of the electroplating effect and controllable quality.
In general, electroplating hard chrome processing is a high-tech surface treatment process that requires strict control of process parameters in each link to obtain a good hard chrome coating. Only by doing every step well can the quality and stability of electroplating hard chrome processing be ensured.