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SLA photosensitive resin is widely used for selective curing in the manufacturing of aluminum alloy handboards. The material cost is currently around 10-20 yuan/g, including additional components such as supports. The processing capacity of SLA machines is calculated by volume, and the single coordinate size is small. Many large-sized parts cannot be processed, making it difficult for large-scale SLA machine aluminum alloy hand plate production enterprises to bear. On the other hand, there is a significant difference between photosensitive resins and commonly used materials, which limits the coloring and gold processing of the model. Of course, as the production scale expands, the cost issue can at least be partially resolved.
Other 3D printing templates, such as FDM melt deposition molding and SLS selective laser sintering technology, are mostly applied in the manufacturing of aluminum alloy templates with low requirements due to the gaps in the generated materials.
The layering accuracy of the layered entity manufacturing method is relatively low, and many researchers are improving the accuracy of layering fitting through various optimization methods, but there is still a certain distance. Rapid prototyping equipment has not yet become a standard configuration for aluminum alloy sheet metal enterprises, but is mainly used in large aluminum alloy sheet metal manufacturing enterprises for selective curing of SLA photosensitive resin.
Maintenance of Aluminum Alloy Hand Plate Polishing Fluid
The preparation and use of aluminum alloy hand board processing polishing fluid are basically the same as ordinary polishing fluid, but the selection of dilution water is more strict. Because many ions in the water can corrode aluminum, an excessive amount of these ions can reduce the rust prevention performance of the polishing fluid, especially in the rust prevention between processes, such as chloride ions, sulfate ions, and heavy metal ions.
In addition to the daily maintenance of ordinary polishing fluid, the maintenance of aluminum alloy hand plate processing polishing fluid also needs to pay attention to the following points:
Filtering: Because aluminum alloys are prone to react and generate aluminum soap under alkaline conditions, which can damage the stability of the polishing fluid, the polished aluminum shavings should be immediately filtered out to avoid further reaction between the aluminum shavings and the polishing fluid, which may affect the effectiveness and service life of the polishing fluid. The aluminum shavings produced during the polishing process are both small and light, making it difficult to precipitate. If not filtered or not filtered sufficiently, the aluminum shavings will be carried to the processing area by the polishing fluid circulation system and scratch the surface of the workpiece, affecting the glossiness of the processing surface.
Value: Because aluminum is highly sensitive to the pH value of polishing fluid, it is necessary to regularly test the pH value of aluminum alloy polishing fluid. If any abnormalities are found, they should be adjusted in a timely manner. Use pH control between 8-9 to avoid excessive corrosion of the workpiece or excessive bacterial growth caused by low pH, which may affect the stability and performance of the polishing solution.
Regular addition of new fluid: This not only ensures good lubrication of the polishing fluid, but also ensures its good rust prevention and sterilization and anti-corrosion properties, in order to extend the service life of the polishing fluid. The selection of polishing fluid for aluminum alloy hand board processing is very important. It is necessary to ensure that the polishing fluid has good lubrication and rust resistance, as well as good stability, filtration and easy maintenance. Only in this way can we process products that meet the requirements and minimize the cost of using the polishing fluid.
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