精密鑄鋁腔體外殼的制作技術(shù)是制造業(yè)的先鋒技術(shù)，它的出現(xiàn)使得鑄鋁造型工藝得到了長足的發(fā)展，并且使得鑄鋁制品的質(zhì)量和精度得到了顯著提高。精密鑄鋁腔體外殼生產(chǎn)工藝是將鑄鋁型件精密加工成外殼的一種技術(shù)，它包括對鑄件表面進行預(yù)處理、精密鑄造、冷卻和熱處理等工序。

　　鑄鋁型件的表面預(yù)處理是精密鑄造工藝的關(guān)鍵工序，它的質(zhì)量直接關(guān)系到整個外殼的質(zhì)量。預(yù)處理工藝的要求是使鑄鋁型件表面光滑，無毛刺，并且具有良好的附著性。常見的預(yù)處理方法有磨削、打磨、拋光和簡單的清洗等。除了對鑄鋁型件表面進行光滑處理之外，還需要對其進行化學處理，以提高其附著性。

　　精密鑄造是將鑄件精密加工成外殼的關(guān)鍵工藝，它要求鑄件表面光滑、無毛刺，鑄造精度高。鑄造工藝的關(guān)鍵是保證鑄件的內(nèi)腔完全填充，外殼表面光滑，無毛刺。鑄造工藝的常見方法有氣壓鑄造、液壓鑄造和粉末冶金3D打印等。

　　冷卻是鑄件精密加工成外殼的關(guān)鍵工序，它要求鑄件表面光滑、無毛刺，冷卻速度快。冷卻工藝的關(guān)鍵是使鑄件內(nèi)部的溫度均勻，外殼表面光滑，無毛刺。常見的冷卻方法有風冷卻、水冷卻和液體冷卻等。

　　熱處理是鑄件精密加工成外殼的關(guān)鍵工序，它要求鑄件表面光滑、無毛刺，熱處理速度快。熱處理工藝的關(guān)鍵是使鑄件內(nèi)部的溫度均勻，外殼表面光滑，無毛刺。常見的熱處理方法有熱風焙燒、熱油焙燒、氣體熱處理和真空熱處理等。

　　Precision casting aluminum cavity shell technology is the pioneer technology of manufacturing industry, its appearance makes the aluminum casting process got great development, and makes the quality and precision of aluminum products have been significantly improved. The production process of precision casting aluminum cavity shell is a technology to precision machining aluminum casting into shell, it includes surface pre-treatment of casting, precision casting, cooling and heat treatment and other processes.

　　Surface pre-treatment of aluminum casting is the key process of precision casting technology, its quality is directly related to the quality of the whole shell. The requirements of pre-treatment process is to make the surface of aluminum casting smooth, burr free, and with good adhesion. Common pre-treatment methods include grinding, polishing, polishing and simple cleaning. In addition to the smooth surface processing of aluminum casting, it need to be chemically treated to improve its adhesion.

　　Precision casting is the key process of precision machining casting into shell, it requires the surface of casting smooth, burr free, high casting precision. The key of casting process is to ensure that the cavity of casting is completely filled, smooth surface of shell, burr free. Common casting process include pressure casting, die casting, investment casting and powder metallurgy 3D printing.

　　Cooling is the key process of precision machining casting into shell, it requires the surface of casting smooth, burr free, cooling speed. The key of cooling process is to make the temperature inside casting uniform, smooth surface of shell, burr free. Common cooling methods include air cooling, water cooling and liquid cooling.

　　Heat treatment is the key process of precision machining casting into shell, it requires the surface of casting smooth, burr free, heat treatment speed. The key of heat treatment process is to make the temperature inside casting uniform, smooth surface of shell, burr free. Common heat treatment methods include hot air baking, hot oil baking, gas heat treatment and vacuum heat treatment.