When it comes to aluminum-magnesium alloys, the oxide film can be easily formed, and not only does it have a higher quality, but it also has the ability to be oxidized and colored. This is a significant advantage. Due to the dual nature of the anodic oxide film and the fact that its pores are both large and unevenly distributed, it can be challenging to manufacture an effective anti-corrosion coating. Magnesium has a propensity to produce hardening and brittleness, decrease elongation, and increase thermal cracking in production, such as ADC5, ADC6, etc. Magnesium also has a tendency to reduce elongation. The wide solidification range and significant tendency toward shrinkage exhibited by the material contribute to the extremely poor performance of the casting. As a direct consequence of this, the casting is plagued with instances of both shrinkage porosity and cracks. Because of this, its application range is relatively limited, and it is not at all suitable for manufacturing workpieces with structures that are even slightly complex. As a consequence of this, its application range is relatively restricted.
Producing a transparent protective film from the aluminum-magnesium alloy that is most commonly used on the market can be difficult because of the alloy's complex composition, high aluminum purity, and low sulfuric acid anodization. These factors combine to make the anodization process less effective. However, not all aluminum die-casting alloys are incapable of accomplishing the goal of oxidation and coloring when exposed to oxygen. Die-casting performances of aluminum-manganese-cobalt alloy DM32 and aluminum-manganese-magnesium alloy DM6, as well as those of other aluminum alloys, are comparable to die-casting performances of aluminum alloys that have not been treated with sulfuric acid anodization. Other aluminum alloys also have die-casting performances that are comparable.
There are a number of important reasons why die-cast aluminum should not be anodized.
It is thought that many manufacturers, when they perform surface treatment on various aluminum materials, will discover that die-casting aluminum is not suitable for anodizing treatment. This belief is based on the fact that it custom die casting is believed that many manufacturers will discover this fact. This is due to the fact that aluminum die-casting is made of aluminum itself. In light of this, the question naturally arises: why is aluminum die-casting not suitable for anodizing?During the process of anodic oxidation, the presence of an excessive amount of impurities and other components will invariably have an effect on the thickness of the film that is formed, and it may even have an effect on whether or not the film is formed at all. This is because impurities and other components are made up of atoms that lack electrons.
The presence of other metal elements during the formation of the anodic oxidation film has the potential to directly alter the color of the film, which directly pronounces the dyeing that takes place after anodic oxidation. This is the most essential point to take into consideration. Die castings and cast aluminum alloys typically contain a high percentage of silicon relative to other components of their make-up. As the amount of silicon in the anodized film increases, the color of the film will change from a light gray to a dark gray, and then finally to a black gray.
In contrast, aluminum that has been die-cast can be anodized, despite the fact that cast aluminum alloys do not lend themselves well to the traditional anodizing process. Die-casting parts can complete the structure, edges and corners, and oxidation quality that are difficult for forging parts, car parts/CNC parts, and die-casting part quality is extremely important. Die-casting parts can complete the oxidation quality that is difficult for forging parts. The structure that is difficult to complete using forged parts, car parts, or CNC parts can be finished using die-casting parts. The quality of the anode is determined not only by a relatively unimportant change but also by the meticulous control of the manufacturing process. By utilizing these various steps of stringent quality control, it is possible to ensure that the production of high-quality oxidation will continue without interruption.
The process of die-casting aluminum has a significant flaw in that it is difficult to prevent pores and impurities from forming. This flaw is the primary contributor to the low cost of die-casting aluminum blanks because it is difficult to prevent pores and impurities from forming. Because of the presence of impurity silicon, the surface, once the anodizing process has been completed, will exhibit the appearance of black spots and black lines. When the CNC process reaches the location of the air hole, the defect becomes immediately apparent. At this point, the surface of the part will have a number of small pits that are commonly referred to as trachoma. After it has been applied, anodizing will make the surface texture more noticeable, die casting products but the density will not be as high as it is with aluminum extrusion. It is recommended that the vent hole of the mold be enlarged in order to cut down on the amount of internal air bubbles; polishing the surface to a mirror finish does not have a significant impact before sandblasting, but it does after. Spray extremely coarse sand, such as glass sand, to cover sand holes; choose aluminum that does not contain silicon to prevent black spots from occurring; anodize with darker colors, such as black, to cover defects; and make small appearance parts to improve yield. All of these techniques can be used to improve yield.
In order to process dies, CNC machining is an absolutely necessary tool that must be utilized. Because of this, there is a possibility that the quality and precision of dies will improve in the future. After the data has been processed, the pattern should then be analyzed using what method?After the invention of CNC, the issue is typically because the speed is set too low, the tool that is being used is worn, the feed is set too high, the amount of cutting that is being done is too great, or the workpiece is not clamped and has vibration. Another possibility is that the issue is caused by the workpiece not being clamped and has vibration. If there is roughing and finishing on the product that was machined with a CNC machine, it is necessary to identify which knife caused it and investigate why it occurred. Simply by inquiring about the location of the pattern, one can obtain the knife pattern. If the fixture's pressure plate can be considered reasonable, the problem may be solved. When the material is not pressed down firmly enough during the processing, vibration knife marks will appear on the surface of the material. When installing the tool, it is important to check that the spindle tool handle and the taper hole are both lined with aluminum chips. Additionally, it is important to check that the jacket is filled with a variety of different items. As a consequence of these problems, there will be die cast parts an improvement in the efficacy of prescribing the suitable medication.