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鑄鐵配重塊是用于(yu)增加自身重量來保持平衡的(de)重物,是將噴丸機熔煉(lian)成(cheng)符合 要求的(de)液體并澆進鑄(zhu)型里,經(jing)冷卻(que)凝固、清(qing)整處理后(hou)得到有預定形狀、尺寸(cun)和性能(neng)的(de)鑄(zhu)件(jian)的(de)工(gong)藝(yi)(yi)過程。現代機械制造工(gong)業的(de)基礎工(gong)藝(yi)(yi)之一。
工作(zuo)面(mian)(mian)(mian)小范(fan)圍內的(de)局部(bu)變(bian)化是(shi)(shi)指加(jia)(jia)工表(biao)面(mian)(mian)(mian)不平(ping)(ping)整,有變(bian)形,灰(hui)口(kou)鐵可以(yi)看(kan)作(zuo)是(shi)(shi)鋼的(de)基體與(yu)片狀石(shi)墨(mo)的(de)夾雜。因此石(shi)墨(mo)片越少,越細,為了保證(zheng)鑄(zhu)(zhu)鐵在澆(jiao)鑄(zhu)(zhu)能夠(gou)得到灰(hui)口(kou),且不至于(yu)得到過多和粗大(da)的(de)石(shi)墨(mo)片,這(zhe)里所說(shuo)的(de)工作(zuo)面(mian)(mian)(mian)小范(fan)圍,對(dui)小鑄(zhu)(zhu)鐵平(ping)(ping)板(ban)而言是(shi)(shi)局部(bu)位置,對(dui)大(da)鑄(zhu)(zhu)鐵平(ping)(ping)板(ban)而言是(shi)(shi)局部(bu)面(mian)(mian)(mian)積。鑄(zhu)(zhu)鐵平(ping)(ping)板(ban)的(de)平(ping)(ping)整性反映(ying)了鑄(zhu)(zhu)鐵平(ping)(ping)板(ban)局部(bu)誤(wu)差鑄(zhu)(zhu)鐵平(ping)(ping)板(ban)的(de)局部(bu)誤(wu)差是(shi)(shi)指鑄(zhu)(zhu)鐵平(ping)(ping)板(ban)工作(zuo)面(mian)(mian)(mian)局部(bu)平(ping)(ping)面(mian)(mian)(mian)度(du)(du)加(jia)(jia)工質量,即表(biao)面(mian)(mian)(mian)粗糙(cao)度(du)(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(jian)里,造(zao)(zao)型造(zao)(zao)芯(xin)都實現了機(ji)(ji)械(xie)化(hua)或自動化(hua)。常(chang)用的砂(sha)型造(zao)(zao)型造(zao)(zao)芯(xin)設備有高、中、低(di)壓(ya)造(zao)(zao)型機(ji)(ji)、拋砂(sha)機(ji)(ji)、無箱射壓(ya)造(zao)(zao)型機(ji)(ji)、射芯(xin)機(ji)(ji)、冷和(he)熱芯(xin)盒(he)機(ji)(ji)等(deng)。
叉車配重鐵(tie)(tie)(tie)(tie)(tie)(tie)工藝可(ke)分(fen)為三個(ge)基(ji)本部(bu)分(fen),即配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)(shu)準備(bei)、鑄型(xing)(xing)(xing)準備(bei)和(he)(he)鑄件(jian)處理。 配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)金(jin)(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)(shu)是指配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)生產中(zhong)用于澆注鑄件(jian)的金(jin)(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)(shu)材(cai)料(liao)(liao),它是以一種金(jin)(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)(shu)元(yuan)素為主(zhu)(zhu)要成分(fen),并加入其他金(jin)(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)(shu)或非金(jin)(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)(shu)元(yuan)素而(er)組成的合金(jin)(jin)(jin)(jin)(jin)(jin)(jin),習慣(guan)上稱為配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)合金(jin)(jin)(jin)(jin)(jin)(jin)(jin),主(zhu)(zhu)要有(you)鑄鐵(tie)(tie)(tie)(tie)(tie)(tie)、鑄鋼和(he)(he)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)有(you)色合金(jin)(jin)(jin)(jin)(jin)(jin)(jin)。叉車(che)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)按造(zao)型(xing)(xing)(xing)材(cai)料(liao)(liao)的不同,又可(ke)分(fen)為兩(liang)大類:一類以天然礦產砂石作(zuo)(zuo)為主(zhu)(zhu)要造(zao)型(xing)(xing)(xing)材(cai)料(liao)(liao),如熔模(mo)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)、殼型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)、負(fu)壓配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)、泥(ni)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)、實型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)、陶瓷(ci)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)等(deng)(deng);一類以金(jin)(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)(shu)作(zuo)(zuo)為主(zhu)(zhu)要鑄型(xing)(xing)(xing)材(cai)料(liao)(liao),如金(jin)(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)(shu)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)、離(li)心配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)、連續配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)、叉車(che)配(pei)件(jian)鐵(tie)(tie)(tie)(tie)(tie)(tie)、低壓配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)(tie)(tie)等(deng)(deng)。
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