?鋁型材加工,用(yong)(yong)塑性加工(gong)(gong)方法(fa)將鋁坯(pi)錠加工(gong)(gong)成(cheng)材,主(zhu)(zhu)要(yao)方法(fa)有(you)軋制、擠(ji)壓、拉(la)伸(shen)和鍛造等。鋁加工(gong)(gong)在20世紀(ji)初開始以工(gong)(gong)業(ye)方式進(jin)行生產,30年代以前,基本上沿用(yong)(yong)銅加工(gong)(gong)的生產設備,產品(pin)主(zhu)(zhu)要(yao)用(yong)(yong)于(yu)飛機制造。
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