精密鑄鋁腔體外殼的制作技術是制造業的先鋒技術，它的出現使得鑄鋁造型工藝得到了長足的發展，并且使得鑄鋁制品的質量和精度得到了顯著提高。精密鑄鋁腔體外殼生產工藝是將鑄鋁型件精密加工成外殼的一種技術，它(ta)包括對鑄件表面進行預處(chu)理、精密(mi)鑄造、冷卻和(he)熱處(chu)理等工(gong)序。

　　鑄(zhu)鋁型(xing)件(jian)的(de)(de)(de)(de)表面(mian)預處(chu)理(li)是(shi)精密鑄(zhu)造工(gong)藝(yi)的(de)(de)(de)(de)關鍵工(gong)序，它的(de)(de)(de)(de)質量直(zhi)接關系到整個外殼的(de)(de)(de)(de)質量。預處(chu)理(li)工(gong)藝(yi)的(de)(de)(de)(de)要(yao)求是(shi)使鑄(zhu)鋁型(xing)件(jian)表面(mian)光滑，無(wu)毛(mao)刺，并且具有良好的(de)(de)(de)(de)附著(zhu)性。常見的(de)(de)(de)(de)預處(chu)理(li)方法(fa)有磨削、打磨、拋(pao)光和簡單(dan)的(de)(de)(de)(de)清洗等。除了對(dui)鑄(zhu)鋁型(xing)件(jian)表面(mian)進行(xing)光滑處(chu)理(li)之外，還需要(yao)對(dui)其進行(xing)化學處(chu)理(li)，以提高(gao)其附著(zhu)性。

　　精密鑄造是將鑄件精密加工成(cheng)外(wai)殼(ke)的(de)關鍵工(gong)藝(yi)(yi)，它要(yao)求鑄(zhu)(zhu)件表(biao)面光(guang)滑(hua)(hua)、無毛刺，鑄(zhu)(zhu)造(zao)精度高。鑄(zhu)(zhu)造(zao)工(gong)藝(yi)(yi)的(de)關鍵是(shi)保證鑄(zhu)(zhu)件的(de)內(nei)腔(qiang)完全填(tian)充，外(wai)殼(ke)表(biao)面光(guang)滑(hua)(hua)，無毛刺。鑄(zhu)(zhu)造(zao)工(gong)藝(yi)(yi)的(de)常見(jian)方法(fa)有氣壓鑄(zhu)(zhu)造(zao)、液壓鑄(zhu)(zhu)造(zao)和(he)粉末冶金(jin)3D打印等。

　　冷卻(que)是鑄(zhu)(zhu)(zhu)件精密加工成外殼(ke)的(de)關(guan)鍵(jian)工序，它要求鑄(zhu)(zhu)(zhu)件表面(mian)(mian)光(guang)滑、無(wu)(wu)毛刺(ci)，冷卻(que)速度快。冷卻(que)工藝的(de)關(guan)鍵(jian)是使鑄(zhu)(zhu)(zhu)件內部的(de)溫度均(jun)勻，外殼(ke)表面(mian)(mian)光(guang)滑，無(wu)(wu)毛刺(ci)。常見(jian)的(de)冷卻(que)方法有風(feng)冷卻(que)、水冷卻(que)和液體冷卻(que)等。

　　熱(re)(re)處(chu)理(li)(li)(li)是鑄(zhu)件精密加工成外(wai)殼(ke)的關(guan)(guan)鍵工序，它要求鑄(zhu)件表面光滑、無毛(mao)刺(ci)，熱(re)(re)處(chu)理(li)(li)(li)速度(du)快。熱(re)(re)處(chu)理(li)(li)(li)工藝的關(guan)(guan)鍵是使鑄(zhu)件內部的溫度(du)均勻(yun)，外(wai)殼(ke)表面光滑，無毛(mao)刺(ci)。常見(jian)的熱(re)(re)處(chu)理(li)(li)(li)方法有熱(re)(re)風焙(bei)燒(shao)、熱(re)(re)油焙(bei)燒(shao)、氣體熱(re)(re)處(chu)理(li)(li)(li)和真空熱(re)(re)處(chu)理(li)(li)(li)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.