CNC加工方(fang)(fang)式(shi)(shi)(shi)也是(shi)會(hui)涉(she)及(ji)到壓(ya)鑄(zhu)工(gong)(gong)(gong)(gong)藝在工(gong)(gong)(gong)(gong)業領(ling)域里，精(jing)密零(ling)(ling)件分為(wei)很(hen)多(duo)種。由于每個行業所(suo)涉(she)及(ji)的(de)(de)(de)(de)(de)(de)技術都是(shi)不同的(de)(de)(de)(de)(de)(de)，因此(ci)所(suo)采用和(he)使用的(de)(de)(de)(de)(de)(de)零(ling)(ling)件也是(shi)截然不同的(de)(de)(de)(de)(de)(de)。由于零(ling)(ling)件的(de)(de)(de)(de)(de)(de)造(zao)(zao)型不同，很(hen)多(duo)情況下它們都要通過(guo)各(ge)種加工(gong)(gong)(gong)(gong)方(fang)(fang)式(shi)(shi)(shi)來加強它的(de)(de)(de)(de)(de)(de)質量(liang)和(he)相(xiang)關的(de)(de)(de)(de)(de)(de)屬性(xing)功能。現如今的(de)(de)(de)(de)(de)(de)數控加工(gong)(gong)(gong)(gong)方(fang)(fang)式(shi)(shi)(shi)已經延伸到各(ge)種制(zhi)造(zao)(zao)領(ling)域，其(qi)中CNC加工(gong)(gong)(gong)(gong)方(fang)(fang)式(shi)(shi)(shi)也是(shi)一種加強金屬產品的(de)(de)(de)(de)(de)(de)常用手段。隨著(zhu)技術的(de)(de)(de)(de)(de)(de)特(te)點不斷地提升(sheng)，它的(de)(de)(de)(de)(de)(de)加工(gong)(gong)(gong)(gong)質量(liang)也逐(zhu)漸(jian)地升(sheng)級和(he)改(gai)造(zao)(zao)。

CNC加(jia)工(gong)中壓(ya)(ya)鑄工(gong)藝(yi)就是(shi)利用(yong)(yong)機器(qi)、模具(ju)和合(he)金(jin)等(deng)三大要素，將(jiang)壓(ya)(ya)力(li)(li)、速(su)度及時間統一(yi)的(de)過(guo)程。用(yong)(yong)于金(jin)屬(shu)熱(re)加(jia)工(gong)，壓(ya)(ya)力(li)(li)的(de)存在是(shi)壓(ya)(ya)鑄工(gong)藝(yi)區別(bie)其他鑄造(zao)方法的(de)主要特(te)(te)點.。CNC加(jia)工(gong)的(de)壓(ya)(ya)力(li)(li)鑄造(zao)是(shi)近代金(jin)屬(shu)加(jia)工(gong)工(gong)藝(yi)中發展較快(kuai)的(de)一(yi)種(zhong)少無切削(xue)的(de)特(te)(te)種(zhong)鑄造(zao)方法。它是(shi)將(jiang)熔融金(jin)屬(shu)在高壓(ya)(ya)高速(su)下充(chong)(chong)填(tian)鑄型，并(bing)在高壓(ya)(ya)下結晶(jing)凝固(gu)形成(cheng)鑄件(jian)的(de)過(guo)程。高壓(ya)(ya)高速(su)是(shi)壓(ya)(ya)力(li)(li)鑄造(zao)的(de)主要特(te)(te)征。常用(yong)(yong)的(de)壓(ya)(ya)力(li)(li)為(wei)數十兆帕，填(tian)充(chong)(chong)速(su)度（內澆口速(su)度）約為(wei)16～80米(mi)/秒，金(jin)屬(shu)液(ye)填(tian)充(chong)(chong)模具(ju)型腔的(de)時間極短，約為(wei)0.01～0.2秒。

CNC加工(gong)(gong)中壓(ya)(ya)鑄(zhu)(zhu)(zhu)工(gong)(gong)藝(yi)(yi)是將壓(ya)(ya)鑄(zhu)(zhu)(zhu)機、壓(ya)(ya)鑄(zhu)(zhu)(zhu)模和合金(jin)(jin)(jin)三大(da)要(yao)素有(you)機地組合而加以(yi)綜合運用(yong)(yong)的(de)(de)過(guo)(guo)程(cheng)。而壓(ya)(ya)鑄(zhu)(zhu)(zhu)時(shi)(shi)(shi)金(jin)(jin)(jin)屬(shu)按填充型腔的(de)(de)過(guo)(guo)程(cheng)，是將壓(ya)(ya)力、速度(du)、溫度(du)以(yi)及時(shi)(shi)(shi)間等工(gong)(gong)藝(yi)(yi)因素得(de)到(dao)統一(yi)的(de)(de)過(guo)(guo)程(cheng)。同時(shi)(shi)(shi)，這些工(gong)(gong)藝(yi)(yi)因素又相(xiang)互(hu)影(ying)響(xiang)，相(xiang)互(hu)制約，并且相(xiang)輔相(xiang)成。只有(you)正確選擇和調整這些因素，使之協調一(yi)致，才能(neng)獲(huo)得(de)預期(qi)的(de)(de)結(jie)果。因此，在(zai)CNC加工(gong)(gong)壓(ya)(ya)鑄(zhu)(zhu)(zhu)過(guo)(guo)程(cheng)中不僅要(yao)重視鑄(zhu)(zhu)(zhu)件結(jie)構(gou)的(de)(de)工(gong)(gong)藝(yi)(yi)性(xing)，壓(ya)(ya)鑄(zhu)(zhu)(zhu)模的(de)(de)先進(jin)性(xing)，壓(ya)(ya)鑄(zhu)(zhu)(zhu)機性(xing)能(neng)和結(jie)構(gou)優良性(xing)，壓(ya)(ya)鑄(zhu)(zhu)(zhu)合金(jin)(jin)(jin)選用(yong)(yong)的(de)(de)適應(ying)性(xing)和熔煉工(gong)(gong)藝(yi)(yi)的(de)(de)規(gui)范性(xing)；更(geng)應(ying)重視壓(ya)(ya)力、溫度(du)和時(shi)(shi)(shi)間等工(gong)(gong)藝(yi)(yi)參數對鑄(zhu)(zhu)(zhu)件質量的(de)(de)重要(yao)作用(yong)(yong)。在(zai)壓(ya)(ya)鑄(zhu)(zhu)(zhu)過(guo)(guo)程(cheng)中應(ying)重視對這些參數進(jin)行有(you)效的(de)(de)控制。

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