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鑄鐵配重塊是(shi)用于增加自身重量來保持平衡的(de)重物,是(shi)將噴(pen)丸(wan)機熔煉(lian)成符合(he) 要求的(de)液(ye)體(ti)并澆進鑄型里,經冷卻(que)凝固、清(qing)整處理后得到有預定(ding)形狀、尺寸和性能的(de)鑄件的(de)工藝(yi)過(guo)程。現代機械制造工業的(de)基礎工藝(yi)之一。
工(gong)作面小范(fan)圍(wei)(wei)內(nei)的(de)(de)局(ju)(ju)部變(bian)化是(shi)(shi)指加(jia)(jia)工(gong)表面不平(ping)(ping)(ping)整,有變(bian)形,灰口鐵(tie)可(ke)以看(kan)作是(shi)(shi)鋼的(de)(de)基體與(yu)片狀石墨的(de)(de)夾雜。因此石墨片越少,越細,為(wei)了保證鑄(zhu)(zhu)(zhu)鐵(tie)在(zai)澆鑄(zhu)(zhu)(zhu)能夠得(de)到灰口,且(qie)不至(zhi)于得(de)到過多(duo)和粗(cu)大的(de)(de)石墨片,這里所說(shuo)的(de)(de)工(gong)作面小范(fan)圍(wei)(wei),對小鑄(zhu)(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)而言是(shi)(shi)局(ju)(ju)部位置,對大鑄(zhu)(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)而言是(shi)(shi)局(ju)(ju)部面積。鑄(zhu)(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)的(de)(de)平(ping)(ping)(ping)整性反(fan)映了鑄(zhu)(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)局(ju)(ju)部誤(wu)(wu)差(cha)鑄(zhu)(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)的(de)(de)局(ju)(ju)部誤(wu)(wu)差(cha)是(shi)(shi)指鑄(zhu)(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)工(gong)作面局(ju)(ju)部平(ping)(ping)(ping)面度加(jia)(jia)工(gong)質量,即(ji)表面粗(cu)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,造(zao)(zao)型(xing)造(zao)(zao)芯都實現了機(ji)(ji)械化或自(zi)動化。常用的(de)砂型(xing)造(zao)(zao)型(xing)造(zao)(zao)芯設備有(you)高、中、低壓(ya)造(zao)(zao)型(xing)機(ji)(ji)、拋砂機(ji)(ji)、無箱(xiang)射壓(ya)造(zao)(zao)型(xing)機(ji)(ji)、射芯機(ji)(ji)、冷和熱芯盒機(ji)(ji)等。
叉車配重鐵(tie)(tie)(tie)工藝可分(fen)(fen)為(wei)(wei)三個基本部分(fen)(fen),即配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金屬(shu)(shu)(shu)準(zhun)備(bei)、鑄(zhu)型(xing)(xing)準(zhun)備(bei)和鑄(zhu)件處(chu)理。 配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金屬(shu)(shu)(shu)是(shi)指配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)生產(chan)中(zhong)用于澆注鑄(zhu)件的金屬(shu)(shu)(shu)材(cai)(cai)料(liao)(liao),它是(shi)以(yi)一(yi)種金屬(shu)(shu)(shu)元(yuan)素為(wei)(wei)主要(yao)成(cheng)分(fen)(fen),并加入其他金屬(shu)(shu)(shu)或非(fei)金屬(shu)(shu)(shu)元(yuan)素而組成(cheng)的合金,習慣上稱為(wei)(wei)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)合金,主要(yao)有鑄(zhu)鐵(tie)(tie)(tie)、鑄(zhu)鋼(gang)和配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)有色合金。叉(cha)車(che)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)按造(zao)型(xing)(xing)材(cai)(cai)料(liao)(liao)的不同,又可分(fen)(fen)為(wei)(wei)兩大類(lei):一(yi)類(lei)以(yi)天然礦(kuang)產(chan)砂石作為(wei)(wei)主要(yao)造(zao)型(xing)(xing)材(cai)(cai)料(liao)(liao),如熔模配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、殼(ke)型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、負(fu)壓(ya)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、泥型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、實型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、陶瓷型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等(deng);一(yi)類(lei)以(yi)金屬(shu)(shu)(shu)作為(wei)(wei)主要(yao)鑄(zhu)型(xing)(xing)材(cai)(cai)料(liao)(liao),如金屬(shu)(shu)(shu)型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、離心(xin)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、連續配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、叉(cha)車(che)配(pei)(pei)(pei)(pei)(pei)件鐵(tie)(tie)(tie)、低壓(ya)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等(deng)。
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