鋁型材就是鋁棒通過熱熔、擠壓,從而得到不同截面形狀的鋁材料。
鋁型材按用途可以分為:
1、門窗(chuang)的建(jian)筑用門窗(chuang)鋁型(xing)材(cai);
2、CPU散熱器的專用散熱器鋁型材;
3、鋁合(he)金貨架鋁型。
按按合金成分可以分為:
1、陽(yang)極(ji)氧化鋁材;
2、電泳涂裝鋁材;
3、粉末鋁材噴(pen)涂(tu);
4、木紋(wen)轉(zhuan)印(yin)鋁(lv)材(cai);
5、刨(bao)光鋁材。
筆者以工(gong)(gong)業(ye)鋁(lv)型(xing)(xing)(xing)材(cai)(cai)(cai)為例(li),詳述下其規(gui)(gui)格(ge):工(gong)(gong)業(ye)鋁(lv)型(xing)(xing)(xing)材(cai)(cai)(cai)的(de)規(gui)(gui)格(ge)除了大(da)規(gui)(gui)格(ge)型(xing)(xing)(xing)材(cai)(cai)(cai)外,更多(duo)的(de)是(shi)(shi)中(zhong)小(xiao)規(gui)(gui)格(ge)的(de)型(xing)(xing)(xing)材(cai)(cai)(cai),在(zai)工(gong)(gong)業(ye)型(xing)(xing)(xing)材(cai)(cai)(cai)中(zhong)占(zhan)有較大(da)的(de)比(bi)重,品種規(gui)(gui)格(ge)多(duo)、批量(liang)小(xiao)是(shi)(shi)其特(te)(te)點,而(er)且有些(xie)行業(ye)的(de)用材(cai)(cai)(cai)還未開發,這(zhe)比(bi)大(da)型(xing)(xing)(xing)材(cai)(cai)(cai)可能更具有潛力(li)(li)。適當考(kao)慮減(jian)緩大(da)型(xing)(xing)(xing)、特(te)(te)大(da)型(xing)(xing)(xing)擠(ji)壓生產(chan)(chan)(chan)(chan)線(xian)的(de)建設(she)。我(wo)國已建成(cheng)和(he)在(zai)建的(de)大(da)型(xing)(xing)(xing)、特(te)(te)大(da)型(xing)(xing)(xing)鋁(lv)擠(ji)壓材(cai)(cai)(cai)生產(chan)(chan)(chan)(chan)線(xian)有十多(duo)條(tiao),生產(chan)(chan)(chan)(chan)能力(li)(li)超過100kt/a,大(da)大(da)超過近(jin)期內大(da)型(xing)(xing)(xing)擠(ji)壓材(cai)(cai)(cai)的(de)需(xu)(xu)求(qiu)量(liang)。近(jin)些(xie)年來上的(de)大(da)型(xing)(xing)(xing)、特(te)(te)大(da)型(xing)(xing)(xing)擠(ji)壓生產(chan)(chan)(chan)(chan)線(xian)大(da)多(duo)是(shi)(shi)以軌道車(che)輛(liang)(liang)型(xing)(xing)(xing)材(cai)(cai)(cai)為目標建設(she)的(de),但軌道車(che)輛(liang)(liang)型(xing)(xing)(xing)材(cai)(cai)(cai)的(de)需(xu)(xu)求(qiu)很有限,幾條(tiao)擠(ji)壓生產(chan)(chan)(chan)(chan)線(xian)都建成(cheng)后,由(you)于需(xu)(xu)求(qiu)與(yu)產(chan)(chan)(chan)(chan)能相差較大(da),如果不能加(jia)(jia)大(da)在(zai)其它行業(ye)大(da)型(xing)(xing)(xing)材(cai)(cai)(cai)需(xu)(xu)求(qiu)的(de)開發力(li)(li)度,必(bi)然(ran)會在(zai)軌道車(che)輛(liang)(liang)型(xing)(xing)(xing)材(cai)(cai)(cai)生產(chan)(chan)(chan)(chan)線(xian)上引(yin)起激烈的(de)競爭,現在(zai)再上大(da)型(xing)(xing)(xing)擠(ji)壓生產(chan)(chan)(chan)(chan)線(xian)可能會使(shi)企業(ye)處于非常被動的(de)局面(mian)。加(jia)(jia)大(da)工(gong)(gong)業(ye)鋁(lv)型(xing)(xing)(xing)材(cai)(cai)(cai)的(de)開發力(li)(li)度。工(gong)(gong)業(ye)鋁(lv)型(xing)(xing)(xing)材(cai)(cai)(cai)的(de)需(xu)(xu)求(qiu)一方面(mian)受整體工(gong)(gong)業(ye)水平(ping)的(de)限制,另一方面(mian)也與(yu)開發力(li)(li)度不足有關。 |