鋁合金手板制造中以SLA光敏樹脂選擇性固化應用廣泛。材料成本目前約10-20元/g，包括支撐件等附加部分。SLA機的加工能力按體積計算，單坐標尺寸小，許多大尺寸零件無法加工，大型SLA機鋁合金手板生產企業很難承受。另一方面光敏樹脂與常用材料差異很大，限制了模型的著色、上金加工。當然成本問題隨著生產規模擴大，少能部分解決。

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.

其它3D打印手板如FDM熔融沉積成型，SLS選擇性激光燒結技術因生成的材料有空隙，多在要求不高的鋁合金手板制造中應用。

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.

層合實體制造方法的分層精度較低，許多科研人員在通過各種優化的方法提高分層擬合的精度，但尚有一定距離。快速成型設備目前尚未成為鋁合金手板企業的標配，只是在大型鋁合金手板制造企業配置，多以SLA光敏樹脂選擇性固化為主。

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.

鋁合金手板打磨液的維護

Maintenance of Aluminum Alloy Hand Plate Polishing Fluid

鋁合金手板加工打磨液的配制和使用與普通打磨液基本相同，只是在稀釋水的選擇上要更加嚴格。因為水中的許多離子對鋁都會產生腐蝕作用，如果這些離子含量過多就會降低打磨液的防銹性能，尤其是在工序間防銹上，例如氯離子、硫酸根離子以及重金屬離子等。

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.

鋁合金手板加工打磨液的維護除了需要如普通打磨液的日常維護外，還需要注意以下幾點：

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:

過濾：因為鋁合金在堿性條件下易發生反應生成鋁皂，破壞打磨液的穩定性，因此應立即將打磨下來的鋁屑過濾出去，避免鋁屑與打磨液再發生反應而影響到打磨液的使用效果與使用壽命。在打磨加工過程中磨出來的鋁屑既細小又輕，很難沉淀下去，如不進行過濾或過濾的不充分，鋁屑就會隨打磨液循環系統被帶到加工區而劃傷工件表面，影響加工表面的光澤度。

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.

值：因為鋁材對打磨液的ph值十分敏感，因此要經常性地對鋁合金打磨液ph值進行檢測，如發現異常應及時進行調整。使用ph控制在8～9，以免ph值過高腐蝕工件或ph值過低使細菌大量繁殖而影響打磨液的穩定性和使用性能。

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.

定時補加新液：既保證打磨液的良好潤滑，也保證了打磨液良好的防銹性能和防腐性能，以延長打磨液的使用壽命。鋁合金手板加工打磨液的選擇是十分重要的，既要保證打磨液良好的潤滑性、防銹性，還要有良好的穩定性、過濾性和易維護性，只有這樣才能加工出符合要求的產品，限度地降低打磨液的使用成本。

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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