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鑄鐵配重塊是用于增加(jia)自身重(zhong)量(liang)來保持平(ping)衡的重(zhong)物(wu),是將噴(pen)丸(wan)機熔(rong)煉成(cheng)符合 要求的液體并(bing)澆進鑄型里,經冷卻凝固、清整處理后得到有預定形狀、尺寸和性(xing)能的鑄件的工藝(yi)過程。現代機械制造工業的基礎工藝(yi)之一。
工作(zuo)面(mian)(mian)小范圍(wei)內(nei)的(de)(de)局部變化是(shi)指(zhi)加工表面(mian)(mian)不平(ping)(ping)(ping)整,有(you)變形,灰(hui)口鐵(tie)(tie)(tie)(tie)可以看作(zuo)是(shi)鋼的(de)(de)基(ji)體(ti)與片(pian)狀石(shi)墨(mo)的(de)(de)夾(jia)雜。因此石(shi)墨(mo)片(pian)越(yue)少(shao),越(yue)細(xi),為(wei)了(le)保證鑄(zhu)鐵(tie)(tie)(tie)(tie)在澆鑄(zhu)能夠得到(dao)灰(hui)口,且不至于得到(dao)過多(duo)和粗大的(de)(de)石(shi)墨(mo)片(pian),這里所(suo)說的(de)(de)工作(zuo)面(mian)(mian)小范圍(wei),對小鑄(zhu)鐵(tie)(tie)(tie)(tie)平(ping)(ping)(ping)板(ban)(ban)而(er)言是(shi)局部位(wei)置,對大鑄(zhu)鐵(tie)(tie)(tie)(tie)平(ping)(ping)(ping)板(ban)(ban)而(er)言是(shi)局部面(mian)(mian)積。鑄(zhu)鐵(tie)(tie)(tie)(tie)平(ping)(ping)(ping)板(ban)(ban)的(de)(de)平(ping)(ping)(ping)整性反映了(le)鑄(zhu)鐵(tie)(tie)(tie)(tie)平(ping)(ping)(ping)板(ban)(ban)局部誤(wu)差鑄(zhu)鐵(tie)(tie)(tie)(tie)平(ping)(ping)(ping)板(ban)(ban)的(de)(de)局部誤(wu)差是(shi)指(zhi)鑄(zhu)鐵(tie)(tie)(tie)(tie)平(ping)(ping)(ping)板(ban)(ban)工作(zuo)面(mian)(mian)局部平(ping)(ping)(ping)面(mian)(mian)度加工質量(liang),即表面(mian)(mian)粗糙度。
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(jian)里(li),造(zao)型造(zao)芯都(dou)實現了(le)機(ji)械化(hua)或自動(dong)化(hua)。常用的砂型造(zao)型造(zao)芯設備有高、中、低壓(ya)造(zao)型機(ji)、拋(pao)砂機(ji)、無箱射(she)(she)壓(ya)造(zao)型機(ji)、射(she)(she)芯機(ji)、冷(leng)和(he)熱芯盒(he)機(ji)等。
叉車配重鐵(tie)(tie)(tie)(tie)(tie)工(gong)藝可分(fen)(fen)為(wei)三(san)個基本部分(fen)(fen),即配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)金(jin)(jin)(jin)屬(shu)(shu)(shu)準備、鑄(zhu)(zhu)(zhu)型(xing)(xing)(xing)(xing)準備和鑄(zhu)(zhu)(zhu)件(jian)處理。 配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)金(jin)(jin)(jin)屬(shu)(shu)(shu)是指配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)生(sheng)產中用(yong)于澆注鑄(zhu)(zhu)(zhu)件(jian)的金(jin)(jin)(jin)屬(shu)(shu)(shu)材(cai)料(liao),它是以一(yi)(yi)種金(jin)(jin)(jin)屬(shu)(shu)(shu)元(yuan)素為(wei)主要(yao)成(cheng)分(fen)(fen),并加入其他金(jin)(jin)(jin)屬(shu)(shu)(shu)或非金(jin)(jin)(jin)屬(shu)(shu)(shu)元(yuan)素而組成(cheng)的合(he)金(jin)(jin)(jin),習慣上稱為(wei)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)合(he)金(jin)(jin)(jin),主要(yao)有(you)鑄(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)(tie)(tie)、鑄(zhu)(zhu)(zhu)鋼和配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)有(you)色合(he)金(jin)(jin)(jin)。叉(cha)(cha)車配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)按(an)造(zao)型(xing)(xing)(xing)(xing)材(cai)料(liao)的不同,又可分(fen)(fen)為(wei)兩大(da)類(lei):一(yi)(yi)類(lei)以天然礦產砂(sha)石作為(wei)主要(yao)造(zao)型(xing)(xing)(xing)(xing)材(cai)料(liao),如熔模(mo)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、殼型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、負(fu)壓(ya)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、泥型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、實型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、陶瓷型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)等;一(yi)(yi)類(lei)以金(jin)(jin)(jin)屬(shu)(shu)(shu)作為(wei)主要(yao)鑄(zhu)(zhu)(zhu)型(xing)(xing)(xing)(xing)材(cai)料(liao),如金(jin)(jin)(jin)屬(shu)(shu)(shu)型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、離心(xin)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、連續配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、叉(cha)(cha)車配(pei)(pei)(pei)(pei)件(jian)鐵(tie)(tie)(tie)(tie)(tie)、低(di)壓(ya)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)等。
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