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鑄鐵配重塊是用于增加自身重量(liang)來(lai)保持平衡的(de)(de)(de)重物,是將噴(pen)丸機熔(rong)煉成符合 要求的(de)(de)(de)液(ye)體并澆進鑄型里,經(jing)冷(leng)卻(que)凝固、清整處理后(hou)得(de)到有預(yu)定形狀、尺寸和性能的(de)(de)(de)鑄件的(de)(de)(de)工(gong)藝(yi)過程。現代機械制(zhi)造工(gong)業的(de)(de)(de)基礎工(gong)藝(yi)之(zhi)一。
工(gong)(gong)作(zuo)面(mian)小范圍內(nei)的局(ju)部(bu)變化是(shi)(shi)指(zhi)(zhi)加工(gong)(gong)表面(mian)不平(ping)(ping)整,有變形,灰(hui)口鐵(tie)可(ke)以看作(zuo)是(shi)(shi)鋼的基體與片(pian)狀石(shi)墨的夾雜。因此石(shi)墨片(pian)越(yue)少,越(yue)細,為了(le)保證鑄(zhu)鐵(tie)在澆鑄(zhu)能夠得到灰(hui)口,且不至(zhi)于(yu)得到過多(duo)和粗大的石(shi)墨片(pian),這里所(suo)說的工(gong)(gong)作(zuo)面(mian)小范圍,對(dui)小鑄(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)而言是(shi)(shi)局(ju)部(bu)位置,對(dui)大鑄(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)而言是(shi)(shi)局(ju)部(bu)面(mian)積(ji)。鑄(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)的平(ping)(ping)整性(xing)反(fan)映了(le)鑄(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)局(ju)部(bu)誤差(cha)鑄(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)的局(ju)部(bu)誤差(cha)是(shi)(shi)指(zhi)(zhi)鑄(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)工(gong)(gong)作(zuo)面(mian)局(ju)部(bu)平(ping)(ping)面(mian)度(du)加工(gong)(gong)質量,即表面(mian)粗糙度(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)型(xing)造(zao)芯都實現了機械化或自動化。常用的砂(sha)型(xing)造(zao)型(xing)造(zao)芯設備有高、中、低壓造(zao)型(xing)機、拋砂(sha)機、無箱射壓造(zao)型(xing)機、射芯機、冷(leng)和熱芯盒機等。
叉車配重鐵(tie)(tie)(tie)(tie)(tie)工藝可分(fen)(fen)為(wei)(wei)三個基本部(bu)分(fen)(fen),即配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)金(jin)(jin)(jin)屬(shu)(shu)準(zhun)備、鑄(zhu)型(xing)(xing)(xing)(xing)準(zhun)備和(he)鑄(zhu)件處理。 配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)金(jin)(jin)(jin)屬(shu)(shu)是(shi)(shi)指配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)生產(chan)中用(yong)于澆注鑄(zhu)件的(de)金(jin)(jin)(jin)屬(shu)(shu)材(cai)料,它是(shi)(shi)以(yi)一種金(jin)(jin)(jin)屬(shu)(shu)元素為(wei)(wei)主要(yao)成(cheng)(cheng)分(fen)(fen),并加入(ru)其(qi)他金(jin)(jin)(jin)屬(shu)(shu)或非(fei)金(jin)(jin)(jin)屬(shu)(shu)元素而組成(cheng)(cheng)的(de)合金(jin)(jin)(jin),習慣上稱為(wei)(wei)配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)合金(jin)(jin)(jin),主要(yao)有鑄(zhu)鐵(tie)(tie)(tie)(tie)(tie)、鑄(zhu)鋼(gang)和(he)配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)有色合金(jin)(jin)(jin)。叉(cha)車(che)配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)按造型(xing)(xing)(xing)(xing)材(cai)料的(de)不(bu)同,又可分(fen)(fen)為(wei)(wei)兩(liang)大類(lei):一類(lei)以(yi)天(tian)然礦產(chan)砂石作(zuo)為(wei)(wei)主要(yao)造型(xing)(xing)(xing)(xing)材(cai)料,如(ru)熔(rong)模配(pei)(pei)(pei)(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)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、負壓(ya)配(pei)(pei)(pei)(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)(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)(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)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)等;一類(lei)以(yi)金(jin)(jin)(jin)屬(shu)(shu)作(zuo)為(wei)(wei)主要(yao)鑄(zhu)型(xing)(xing)(xing)(xing)材(cai)料,如(ru)金(jin)(jin)(jin)屬(shu)(shu)型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、離心配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、連續配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)、叉(cha)車(che)配(pei)(pei)(pei)(pei)(pei)(pei)(pei)件鐵(tie)(tie)(tie)(tie)(tie)、低壓(ya)配(pei)(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)等。
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