搜索您想找的
铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)密度(du)(du)比铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)铁和铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)钢小，而比强度(du)(du)则较高。因此(ci)在(zai)承(cheng)受(shou)相同载荷条件(jian)(jian)(jian)(jian)下(xia)选用(yong)(yong)(yong)(yong)(yong)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)，可(ke)以减轻结构的(de)(de)(de)(de)分量(liang)(liang)(liang)，故在(zai)航空工(gong)(gong)业(ye)(ye)(ye)及动力(li)(li)机(ji)械(xie)(xie)(xie)和运(yun)(yun)送机(ji)械(xie)(xie)(xie)制(zhi)作(zuo)(zuo)中(zhong)，铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)得到广泛的(de)(de)(de)(de)运(yun)(yun)用(yong)(yong)(yong)(yong)(yong)。铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)金(jin)(jin)有(you)出(chu)(chu)色(se)的(de)(de)(de)(de)表面光泽，在(zai)大气及淡水中(zhong)具有(you)出(chu)(chu)色(se)的(de)(de)(de)(de)耐腐(fu)蚀性(xing)，故在(zai)民用(yong)(yong)(yong)(yong)(yong)器(qi)皿(min)制(zhi)作(zuo)(zuo)中(zhong)，具有(you)广泛的(de)(de)(de)(de)用(yong)(yong)(yong)(yong)(yong)途。纯(chun)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)在(zai)硝酸(suan)及醋(cu)酸(suan)等(deng)氧化性(xing)酸(suan)类介质中(zhong)具有(you)出(chu)(chu)色(se)的(de)(de)(de)(de)耐蚀性(xing)，因此(ci)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)在(zai)化学工(gong)(gong)业(ye)(ye)(ye)中(zhong)也(ye)有(you)的(de)(de)(de)(de)用(yong)(yong)(yong)(yong)(yong)途。纯(chun)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)及铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)金(jin)(jin)有(you)出(chu)(chu)色(se)的(de)(de)(de)(de)导热(re)功(gong)用(yong)(yong)(yong)(yong)(yong)，放在(zai)化工(gong)(gong)出(chu)(chu)产(chan)(chan)(chan)中(zhong)运(yun)(yun)用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)热(re)交换(huan)设备，以及动力(li)(li)机(ji)械(xie)(xie)(xie)上要(yao)求(qiu)具有(you)出(chu)(chu)色(se)导热(re)功(gong)用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)零件(jian)(jian)(jian)(jian)，如内燃(ran)机(ji)的(de)(de)(de)(de)汽缸盖(gai)和活塞等(deng)，也(ye)适于用(yong)(yong)(yong)(yong)(yong)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)金(jin)(jin)来(lai)制(zhi)作(zuo)(zuo)。 铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)具有(you)一(yi)(yi)些其(qi)他铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)无法比拟(ni)的(de)(de)(de)(de)长处，如漂亮、质量(liang)(liang)(liang)轻、耐腐(fu)蚀等(deng)长处，使它广受(shou)用(yong)(yong)(yong)(yong)(yong)户的(de)(de)(de)(de)喜欢，特别是(shi)在(zai)轿车(che)轻量(liang)(liang)(liang)化以来(lai)，铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)在(zai)轿车(che)工(gong)(gong)业(ye)(ye)(ye)中(zhong)得到了广泛的(de)(de)(de)(de)运(yun)(yun)用(yong)(yong)(yong)(yong)(yong)。 铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)成本低(di)、工(gong)(gong)艺(yi)(yi)性(xing)好(hao)、重(zhong)熔(rong)节约资源和动力(li)(li)，运(yun)(yun)用(yong)(yong)(yong)(yong)(yong)和展开(kai)耐久不衰。铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)优(you)先选用(yong)(yong)(yong)(yong)(yong)砂(sha)型铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)，首要(yao)原因是(shi)砂(sha)型铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)较之其(qi)它铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)方法成本低(di)、出(chu)(chu)产(chan)(chan)(chan)工(gong)(gong)艺(yi)(yi)简略、出(chu)(chu)产(chan)(chan)(chan)周期(qi)短。铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)是(shi)以纯(chun)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)或铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)金(jin)(jin)锭按规(gui)范(fan)的(de)(de)(de)(de)成份(fen)份(fen)额制(zhi)作(zuo)(zuo)后(hou)，通过人工(gong)(gong)加热(re)将其(qi)变成铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)金(jin)(jin)液(ye)体或熔(rong)融情况后(hou)再通过专业(ye)(ye)(ye)的(de)(de)(de)(de)模具或相应(ying)工(gong)(gong)艺(yi)(yi)将铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)液(ye)或熔(rong)融情况的(de)(de)(de)(de)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)金(jin)(jin)浇注进(jin)型腔，经冷却构成所(suo)需求(qiu)形状(zhuang)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)一(yi)(yi)种工(gong)(gong)艺(yi)(yi)方法。常(chang)用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)方法有(you)：砂(sha)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)，压铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)，低(di)压铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)，精细(xi)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)，模，消失模铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)等(deng)。铝(lv)(lv)(lv)(lv)(lv)(lv)(lv)铸(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)有(you)好(hao)的(de)(de)(de)(de)机(ji)械(xie)(xie)(xie)、物理(li)功(gong)用(yong)(yong)(yong)(yong)(yong)，它可(ke)以有(you)各(ge)种不同的(de)(de)(de)(de)强度(du)(du)、硬(ying)度(du)(du)、耐性(xing)合(he)(he)作(zuo)(zuo)的(de)(de)(de)(de)归纳(na)功(gong)用(yong)(yong)(yong)(yong)(yong)，还(hai)可(ke)兼(jian)具一(yi)(yi)种或多种特别功(gong)用(yong)(yong)(yong)(yong)(yong)，如耐磨、耐高温(wen)(wen)和低(di)温(wen)(wen)、耐腐(fu)蚀等(deng)。