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鑄鐵配重塊是用(yong)于增加(jia)自身重量(liang)來保(bao)持平衡(heng)的(de)重物，是將噴丸機(ji)熔煉成符合 要求的(de)液體并澆進鑄型里，經冷(leng)卻(que)凝固、清(qing)整(zheng)處理后得到有預定形狀(zhuang)、尺寸和(he)性(xing)能(neng)的(de)鑄件的(de)工藝(yi)過程。現代機(ji)械制(zhi)造工業的(de)基礎工藝(yi)之一。
工(gong)(gong)作(zuo)面(mian)(mian)(mian)(mian)小(xiao)(xiao)(xiao)范圍內的(de)局(ju)部(bu)(bu)(bu)變化(hua)是(shi)指(zhi)加(jia)工(gong)(gong)表(biao)面(mian)(mian)(mian)(mian)不平(ping)(ping)(ping)(ping)整(zheng)，有(you)變形，灰口(kou)鐵可以(yi)看作(zuo)是(shi)鋼的(de)基體與片狀石墨的(de)夾雜。因此石墨片越(yue)少，越(yue)細，為了保(bao)證鑄(zhu)鐵在澆鑄(zhu)能夠得到(dao)灰口(kou)，且不至于得到(dao)過多和粗(cu)大的(de)石墨片，這里所說(shuo)的(de)工(gong)(gong)作(zuo)面(mian)(mian)(mian)(mian)小(xiao)(xiao)(xiao)范圍，對(dui)小(xiao)(xiao)(xiao)鑄(zhu)鐵平(ping)(ping)(ping)(ping)板而(er)言是(shi)局(ju)部(bu)(bu)(bu)位置(zhi)，對(dui)大鑄(zhu)鐵平(ping)(ping)(ping)(ping)板而(er)言是(shi)局(ju)部(bu)(bu)(bu)面(mian)(mian)(mian)(mian)積。鑄(zhu)鐵平(ping)(ping)(ping)(ping)板的(de)平(ping)(ping)(ping)(ping)整(zheng)性反映了鑄(zhu)鐵平(ping)(ping)(ping)(ping)板局(ju)部(bu)(bu)(bu)誤(wu)差鑄(zhu)鐵平(ping)(ping)(ping)(ping)板的(de)局(ju)部(bu)(bu)(bu)誤(wu)差是(shi)指(zhi)鑄(zhu)鐵平(ping)(ping)(ping)(ping)板工(gong)(gong)作(zuo)面(mian)(mian)(mian)(mian)局(ju)部(bu)(bu)(bu)平(ping)(ping)(ping)(ping)面(mian)(mian)(mian)(mian)度(du)加(jia)工(gong)(gong)質量(liang)，即表(biao)面(mian)(mian)(mian)(mian)粗(cu)糙(cao)度(du)。
鑄件的精度和生產過程的經濟表現，主要取決于這道工序。在很多現代化的配重鐵車間里，造(zao)(zao)型(xing)造(zao)(zao)芯(xin)(xin)(xin)都(dou)實現(xian)了(le)機(ji)(ji)械(xie)化(hua)或自動化(hua)。常用的(de)砂型(xing)造(zao)(zao)型(xing)造(zao)(zao)芯(xin)(xin)(xin)設備有高、中、低壓(ya)造(zao)(zao)型(xing)機(ji)(ji)、拋(pao)砂機(ji)(ji)、無箱射(she)壓(ya)造(zao)(zao)型(xing)機(ji)(ji)、射(she)芯(xin)(xin)(xin)機(ji)(ji)、冷和熱芯(xin)(xin)(xin)盒機(ji)(ji)等。
叉車配重鐵工(gong)藝可分為(wei)三個基本部分，即配(pei)(pei)重(zhong)(zhong)(zhong)鐵金(jin)(jin)屬(shu)(shu)準(zhun)備、鑄(zhu)(zhu)型(xing)(xing)準(zhun)備和鑄(zhu)(zhu)件(jian)處(chu)理。 配(pei)(pei)重(zhong)(zhong)(zhong)鐵金(jin)(jin)屬(shu)(shu)是指配(pei)(pei)重(zhong)(zhong)(zhong)鐵生產(chan)(chan)中用(yong)于澆注鑄(zhu)(zhu)件(jian)的(de)(de)(de)金(jin)(jin)屬(shu)(shu)材料(liao)，它是以一種(zhong)金(jin)(jin)屬(shu)(shu)元素為(wei)主要(yao)成分，并加入其他金(jin)(jin)屬(shu)(shu)或非金(jin)(jin)屬(shu)(shu)元素而組成的(de)(de)(de)合金(jin)(jin)，習(xi)慣上(shang)稱為(wei)配(pei)(pei)重(zhong)(zhong)(zhong)鐵合金(jin)(jin)，主要(yao)有(you)鑄(zhu)(zhu)鐵、鑄(zhu)(zhu)鋼和配(pei)(pei)重(zhong)(zhong)(zhong)鐵有(you)色合金(jin)(jin)。叉車配(pei)(pei)重(zhong)(zhong)(zhong)鐵按造型(xing)(xing)材料(liao)的(de)(de)(de)不(bu)同，又可分為(wei)兩大(da)類：一類以天然礦產(chan)(chan)砂石作為(wei)主要(yao)造型(xing)(xing)材料(liao)，如熔模配(pei)(pei)重(zhong)(zhong)(zhong)鐵、殼型(xing)(xing)配(pei)(pei)重(zhong)(zhong)(zhong)鐵、負壓配(pei)(pei)重(zhong)(zhong)(zhong)鐵、泥型(xing)(xing)配(pei)(pei)重(zhong)(zhong)(zhong)鐵、實型(xing)(xing)配(pei)(pei)重(zhong)(zhong)(zhong)鐵、陶瓷型(xing)(xing)配(pei)(pei)重(zhong)(zhong)(zhong)鐵等;一類以金(jin)(jin)屬(shu)(shu)作為(wei)主要(yao)鑄(zhu)(zhu)型(xing)(xing)材料(liao)，如金(jin)(jin)屬(shu)(shu)型(xing)(xing)配(pei)(pei)重(zhong)(zhong)(zhong)鐵、離心配(pei)(pei)重(zhong)(zhong)(zhong)鐵、連續配(pei)(pei)重(zhong)(zhong)(zhong)鐵、叉車配(pei)(pei)件(jian)鐵、低(di)壓配(pei)(pei)重(zhong)(zhong)(zhong)鐵等。
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