Surface treatments such as powder spraying, baking paint, passivation treatment, anodizing, polishing, electroplating, electrophoresis, sandblasting, shot blasting, and powder spraying are just some of the options available for zinc-aluminum alloy die castings. Other surface treatments include electrophoresis. Powder spraying is the process of applying powder coating to the surface of die-casting parts using equipment that is specifically designed for powder spraying. Powder spraying is also the name of the equipment that is used for this process. The action of static electricity, which will cause the powder to be evenly adsorbed there, will result in the formation of a powdery coating on the surface of the die-casting parts. This coating will have the appearance of a powdery film.
Powder coating has a spraying effect that is superior to that of the spraying process in terms of mechanical strength, adhesion, corrosion resistance, aging resistance, and other such aspects. The cost of powder coating is also lower than that of spray coating. The powder coating is then baked at a high temperature and leveled in order to create the final coating, which can have a variety of effects depending on the type of powder coating used. The texture can be altered to produce a wide variety of different effects, such as a smooth surface, a sand pattern, foaming, and so on.
Among the many possible outcomes is a smooth surface. The following steps make up the baking paint process:Phosphating the aluminum alloy comes first in the authentic baking paint process, followed by painting the surface by spraying it on, and finally baking the painted surface. Once it has been applied, this type of coating is not only resistant to corrosion, but it is also bright, wear-resistant, and difficult to remove by peeling. The process of pre-baking the paint in order to obtain a good coating aluminum die casting is referred to as pre-baking. This treatment is called pre-baking. Aluminum or aluminum profiles are suitable for anodic oxidation, while the surface oxidation of aluminum alloy die castings is suitable for conductive oxidation. These two steps are both a part of the treatment known as passivation. The oxidation color of die castings made from aluminum alloys is typically a natural color or a sky blue color. This is typical. Conductive oxidation does not need to be energized; rather, it simply needs to be soaked in liquid medicine, which results in a reaction that is completely chemical in its nature. In contrast, anodic oxidation is a process that involves an electrochemical reaction. It takes place under the condition of high voltage and takes place during the process of anodization.
4. the process of oxidizing aluminum through treatmentThe oxide film obtained after the conductive oxidation process of aluminum and aluminum alloy has conductive properties, which is its primary benefit. The anodic oxidation film, on the other hand, has good protection and is wear-resistant, but its resistance is high and it is not conductive. Additionally, the anodic oxidation film is not conductive. Anodizing is the process of putting the aluminum parts into the electrolytic cell under the condition of electricity, and the die-casting part is used as the anode to produce a denser aluminum oxide film layer on the surface. This occurs when the die-casting part is used as the anode during the anodizing process. The purpose of the sand blasting treatment is to improve the friction coefficient of the contact surface and the reliability of the connection by spraying a layer of fine sand on top of the surface of the aluminum alloy products. Sand can have a wide range of thicknesses and textures, depending on the type. The following steps make up the electroplating process:Electroplating is the process of depositing metal or alloy on the surface of the workpiece through the use of electrolysis in order to form a layer of metal that is uniform, dense, and well-bonded.
The goal of this process is to create a layer of metal that can be plated onto other metals. Electroplating is the term that's used to describe this process. The majority of the time, the application of electroplating technology is used for the purposes of preventing corrosion, protecting decorations, and reducing wear.
7. When the voltage is applied, charged coating ions move to the cathode, where they combine forces with the alkaline substances generated on the surface of the cathode to produce an insoluble matter. This material is then deposited on the surface of the die casting. When compared to other coating processes aluminum alloy die casting, the electrophoretic paint film clearly excels in terms of its hardness, adhesion, corrosion resistance, impact performance, and permeability.
8. Sand blasting uses compressed air as the power source to form a high-speed jet beam, and it sprays abrasives and other high-speed jets onto the surface of the die-casting that is to be treated. This process is known as "abrasive sand blasting."The die-casting's outer surface takes on a different appearance as a result of this change. As a result of the impact and cutting effect that the sand has on the surface of the die casting, the surface of the die casting can achieve a certain degree of cleanliness along with a different roughness. This is because the sand acts as a cutting agent. This makes it possible to improve the surface of the die casting in terms of the mechanical properties it possesses.
Therefore, the fatigue resistance of the die casting is improved, the adhesion between it and the coating is increased, the durability of the coating film is prolonged, and it also contributes to the leveling and decoration of the coating, which is beneficial. All of these benefits come as a result of the die casting. Coarse grinding: the purpose of this step is to remove any burrs that may have formed on the surface of the die-casting parts or along the edges in addition to smoothing out any bumps that were produced during the prior process.
This step follows the step where the bumps were created. There are no major scratches or bruises on the horizontal or vertical surfaces die casting manufacturer, and there are no scratches deep enough to reach the initial rounded corners of the edges. In addition, there are no scratches on the surface that are on an angle. Repeatedly polishing the marks that were left behind from the previous process is required in order to effectively alter Bright, ensure that there are no scratches on the surface of the die-casting parts, and ensure that there are no scratches on the surface of the die-casting parts.
The fine lines that were produced in the prior process need to be corrected and ground away before moving on to the fine grinding process. The procedure for grinding is exactly the same as the procedure that was used in the process that came before it. When polishing something, it is essential to pay close attention to the inclination angle of the belt machine and to maintain control over the amount of pressure that is applied to the workpiece by the belt machine. Because doing so places one in the most stable position possible, one should try to position themselves in a direct line with the polished surface as much as possible.
