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鑄鐵配重塊是(shi)(shi)用于增加自身重(zhong)量來保(bao)持平衡的(de)(de)重(zhong)物(wu),是(shi)(shi)將噴丸機熔煉成符合 要求的(de)(de)液(ye)體并澆(jiao)進鑄型(xing)里,經(jing)冷卻凝(ning)固、清整處理(li)后(hou)得到有(you)預定(ding)形狀、尺寸(cun)和性能的(de)(de)鑄件的(de)(de)工藝過程(cheng)。現代(dai)機械(xie)制造工業的(de)(de)基礎工藝之一。
工(gong)(gong)(gong)(gong)作面(mian)小(xiao)范圍內(nei)的(de)局(ju)(ju)部變化是指加工(gong)(gong)(gong)(gong)表(biao)面(mian)不平(ping)(ping)(ping)整,有變形,灰口鐵(tie)可以看(kan)作是鋼的(de)基體與片狀石墨(mo)的(de)夾雜。因此石墨(mo)片越少,越細,為(wei)了保(bao)證鑄(zhu)(zhu)鐵(tie)在澆鑄(zhu)(zhu)能夠得到(dao)灰口,且不至于得到(dao)過多和粗大的(de)石墨(mo)片,這里(li)所說的(de)工(gong)(gong)(gong)(gong)作面(mian)小(xiao)范圍,對(dui)小(xiao)鑄(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)(ban)而言是局(ju)(ju)部位置,對(dui)大鑄(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)(ban)而言是局(ju)(ju)部面(mian)積。鑄(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)(ban)的(de)平(ping)(ping)(ping)整性(xing)反映(ying)了鑄(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)(ban)局(ju)(ju)部誤差鑄(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)(ban)的(de)局(ju)(ju)部誤差是指鑄(zhu)(zhu)鐵(tie)平(ping)(ping)(ping)板(ban)(ban)工(gong)(gong)(gong)(gong)作面(mian)局(ju)(ju)部平(ping)(ping)(ping)面(mian)度加工(gong)(gong)(gong)(gong)質量,即表(biao)面(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里,造(zao)(zao)型造(zao)(zao)芯都實現了(le)機(ji)械化或自動化。常用的砂(sha)型造(zao)(zao)型造(zao)(zao)芯設(she)備有高、中、低壓(ya)造(zao)(zao)型機(ji)、拋砂(sha)機(ji)、無(wu)箱射(she)壓(ya)造(zao)(zao)型機(ji)、射(she)芯機(ji)、冷和(he)熱芯盒機(ji)等(deng)。
叉車配重鐵(tie)(tie)(tie)(tie)工藝可分為(wei)(wei)三個基本部分,即配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)金(jin)(jin)(jin)屬(shu)(shu)準備、鑄(zhu)(zhu)型(xing)(xing)(xing)(xing)準備和鑄(zhu)(zhu)件(jian)處理。 配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)金(jin)(jin)(jin)屬(shu)(shu)是(shi)指配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)生產中用于(yu)澆(jiao)注鑄(zhu)(zhu)件(jian)的(de)金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)料,它是(shi)以一(yi)種(zhong)金(jin)(jin)(jin)屬(shu)(shu)元(yuan)素為(wei)(wei)主(zhu)要成分,并加入其他金(jin)(jin)(jin)屬(shu)(shu)或(huo)非金(jin)(jin)(jin)屬(shu)(shu)元(yuan)素而組成的(de)合(he)金(jin)(jin)(jin),習慣上稱(cheng)為(wei)(wei)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)合(he)金(jin)(jin)(jin),主(zhu)要有鑄(zhu)(zhu)鐵(tie)(tie)(tie)(tie)、鑄(zhu)(zhu)鋼(gang)和配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)有色合(he)金(jin)(jin)(jin)。叉車配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)按造型(xing)(xing)(xing)(xing)材(cai)(cai)料的(de)不(bu)同,又可分為(wei)(wei)兩大類(lei):一(yi)類(lei)以天然(ran)礦(kuang)產砂石(shi)作為(wei)(wei)主(zhu)要造型(xing)(xing)(xing)(xing)材(cai)(cai)料,如熔模配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、殼型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、負壓配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、泥(ni)型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、實型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、陶瓷型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)等;一(yi)類(lei)以金(jin)(jin)(jin)屬(shu)(shu)作為(wei)(wei)主(zhu)要鑄(zhu)(zhu)型(xing)(xing)(xing)(xing)材(cai)(cai)料,如金(jin)(jin)(jin)屬(shu)(shu)型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、離心(xin)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、連續(xu)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、叉車配(pei)(pei)(pei)(pei)件(jian)鐵(tie)(tie)(tie)(tie)、低壓配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)等。
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