?鋁型材加工,用(yong)(yong)(yong)塑性(xing)加(jia)工(gong)(gong)方(fang)法將(jiang)鋁坯錠加(jia)工(gong)(gong)成(cheng)材,主(zhu)(zhu)要(yao)方(fang)法有(you)軋制、擠(ji)壓、拉(la)伸和鍛(duan)造等。鋁加(jia)工(gong)(gong)在(zai)20世紀初開(kai)始以(yi)工(gong)(gong)業方(fang)式進行生(sheng)產(chan)(chan),30年(nian)代以(yi)前,基本(ben)上沿用(yong)(yong)(yong)銅加(jia)工(gong)(gong)的生(sheng)產(chan)(chan)設(she)備,產(chan)(chan)品主(zhu)(zhu)要(yao)用(yong)(yong)(yong)于飛機制造。
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