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鑄鐵配重塊是用(yong)于增加自身(shen)重量來保持平衡(heng)的重物,是將(jiang)噴丸機熔煉成符合 要(yao)求的液體并澆進鑄(zhu)型(xing)里,經冷(leng)卻凝固、清整處理后得到有(you)預定形(xing)狀、尺寸和性能的鑄(zhu)件的工藝過程。現代機械制(zhi)造工業的基礎工藝之一(yi)。
工(gong)(gong)作面小(xiao)范(fan)圍(wei)內的局(ju)部(bu)(bu)(bu)變化(hua)是(shi)(shi)指加工(gong)(gong)表面不(bu)平(ping)整(zheng),有變形,灰(hui)口(kou)鐵(tie)(tie)可以看(kan)作是(shi)(shi)鋼的基(ji)體與片(pian)狀石(shi)墨(mo)的夾雜。因此石(shi)墨(mo)片(pian)越少,越細,為了保證鑄(zhu)(zhu)(zhu)鐵(tie)(tie)在澆鑄(zhu)(zhu)(zhu)能夠得到(dao)(dao)灰(hui)口(kou),且不(bu)至(zhi)于得到(dao)(dao)過多(duo)和(he)粗大(da)的石(shi)墨(mo)片(pian),這里所(suo)說的工(gong)(gong)作面小(xiao)范(fan)圍(wei),對(dui)(dui)小(xiao)鑄(zhu)(zhu)(zhu)鐵(tie)(tie)平(ping)板(ban)(ban)而言是(shi)(shi)局(ju)部(bu)(bu)(bu)位(wei)置(zhi),對(dui)(dui)大(da)鑄(zhu)(zhu)(zhu)鐵(tie)(tie)平(ping)板(ban)(ban)而言是(shi)(shi)局(ju)部(bu)(bu)(bu)面積。鑄(zhu)(zhu)(zhu)鐵(tie)(tie)平(ping)板(ban)(ban)的平(ping)整(zheng)性(xing)反映(ying)了鑄(zhu)(zhu)(zhu)鐵(tie)(tie)平(ping)板(ban)(ban)局(ju)部(bu)(bu)(bu)誤(wu)差(cha)鑄(zhu)(zhu)(zhu)鐵(tie)(tie)平(ping)板(ban)(ban)的局(ju)部(bu)(bu)(bu)誤(wu)差(cha)是(shi)(shi)指鑄(zhu)(zhu)(zhu)鐵(tie)(tie)平(ping)板(ban)(ban)工(gong)(gong)作面局(ju)部(bu)(bu)(bu)平(ping)面度(du)加工(gong)(gong)質量,即表面粗糙度(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(li),造(zao)型(xing)造(zao)芯(xin)都實現了機(ji)械(xie)化或自(zi)動化。常用的(de)砂型(xing)造(zao)型(xing)造(zao)芯(xin)設備有(you)高、中、低壓造(zao)型(xing)機(ji)、拋砂機(ji)、無箱射(she)壓造(zao)型(xing)機(ji)、射(she)芯(xin)機(ji)、冷和熱芯(xin)盒機(ji)等。
叉車配重鐵(tie)(tie)工藝可(ke)分(fen)(fen)為三個(ge)基本部分(fen)(fen),即配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)準(zhun)備、鑄(zhu)(zhu)(zhu)型(xing)(xing)準(zhun)備和鑄(zhu)(zhu)(zhu)件處理。 配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)是指配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)生產中用于澆(jiao)注鑄(zhu)(zhu)(zhu)件的金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)材料(liao)(liao)(liao),它是以(yi)一(yi)種金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)元素為主要(yao)成分(fen)(fen),并加(jia)入其他金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)或非金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)元素而組成的合(he)(he)(he)金(jin)(jin)(jin)(jin)(jin)(jin),習(xi)慣上稱為配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)合(he)(he)(he)金(jin)(jin)(jin)(jin)(jin)(jin),主要(yao)有(you)鑄(zhu)(zhu)(zhu)鐵(tie)(tie)、鑄(zhu)(zhu)(zhu)鋼和配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)有(you)色(se)合(he)(he)(he)金(jin)(jin)(jin)(jin)(jin)(jin)。叉車(che)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)按(an)造型(xing)(xing)材料(liao)(liao)(liao)的不同,又可(ke)分(fen)(fen)為兩大類:一(yi)類以(yi)天然礦(kuang)產砂石作(zuo)為主要(yao)造型(xing)(xing)材料(liao)(liao)(liao),如熔模配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、殼型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、負壓配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、泥型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、實型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、陶(tao)瓷(ci)型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)等;一(yi)類以(yi)金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)作(zuo)為主要(yao)鑄(zhu)(zhu)(zhu)型(xing)(xing)材料(liao)(liao)(liao),如金(jin)(jin)(jin)(jin)(jin)(jin)屬(shu)型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、離心配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、連續配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、叉車(che)配(pei)(pei)(pei)(pei)(pei)件鐵(tie)(tie)、低壓配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)等。
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