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鑄鐵配重塊是(shi)用(yong)于增加自身重量來保(bao)持平衡的(de)(de)重物,是(shi)將(jiang)噴(pen)丸機熔煉成(cheng)符合 要求的(de)(de)液體并澆(jiao)進鑄(zhu)(zhu)型(xing)里,經(jing)冷卻凝固、清整(zheng)處理后得到有預(yu)定形狀(zhuang)、尺寸(cun)和(he)性(xing)能的(de)(de)鑄(zhu)(zhu)件的(de)(de)工(gong)(gong)藝過(guo)程。現代機械制造工(gong)(gong)業的(de)(de)基(ji)礎工(gong)(gong)藝之一。
工作面小(xiao)(xiao)范圍內的(de)局部變(bian)化(hua)是(shi)指加工表(biao)面不(bu)平(ping)(ping)(ping)整(zheng),有變(bian)形(xing),灰口鐵(tie)可以看作是(shi)鋼的(de)基體(ti)與片狀石墨(mo)的(de)夾雜。因此(ci)石墨(mo)片越少,越細,為了保(bao)證(zheng)鑄(zhu)鐵(tie)在澆鑄(zhu)能夠得(de)到灰口,且不(bu)至于得(de)到過多和粗大的(de)石墨(mo)片,這里所說的(de)工作面小(xiao)(xiao)范圍,對小(xiao)(xiao)鑄(zhu)鐵(tie)平(ping)(ping)(ping)板而言(yan)是(shi)局部位(wei)置,對大鑄(zhu)鐵(tie)平(ping)(ping)(ping)板而言(yan)是(shi)局部面積。鑄(zhu)鐵(tie)平(ping)(ping)(ping)板的(de)平(ping)(ping)(ping)整(zheng)性反映(ying)了鑄(zhu)鐵(tie)平(ping)(ping)(ping)板局部誤差鑄(zhu)鐵(tie)平(ping)(ping)(ping)板的(de)局部誤差是(shi)指鑄(zhu)鐵(tie)平(ping)(ping)(ping)板工作面局部平(ping)(ping)(ping)面度(du)加工質(zhi)量(liang),即表(biao)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,造(zao)(zao)型(xing)造(zao)(zao)芯(xin)都實現了機(ji)(ji)(ji)械(xie)化或自(zi)動化。常(chang)用(yong)的砂(sha)(sha)型(xing)造(zao)(zao)型(xing)造(zao)(zao)芯(xin)設備(bei)有(you)高、中、低壓造(zao)(zao)型(xing)機(ji)(ji)(ji)、拋砂(sha)(sha)機(ji)(ji)(ji)、無箱射(she)壓造(zao)(zao)型(xing)機(ji)(ji)(ji)、射(she)芯(xin)機(ji)(ji)(ji)、冷和(he)熱芯(xin)盒機(ji)(ji)(ji)等(deng)。
叉車配重鐵(tie)(tie)(tie)工(gong)藝可(ke)(ke)分為(wei)(wei)三個基本部(bu)分,即配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)(jin)屬準備、鑄(zhu)(zhu)型(xing)(xing)準備和鑄(zhu)(zhu)件處理。 配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)(jin)屬是指(zhi)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)生產中用于澆注(zhu)鑄(zhu)(zhu)件的(de)金(jin)(jin)屬材(cai)料(liao),它是以一種金(jin)(jin)屬元素為(wei)(wei)主(zhu)(zhu)要成分,并(bing)加入其他金(jin)(jin)屬或非金(jin)(jin)屬元素而組成的(de)合金(jin)(jin),習慣上稱為(wei)(wei)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)合金(jin)(jin),主(zhu)(zhu)要有(you)鑄(zhu)(zhu)鐵(tie)(tie)(tie)、鑄(zhu)(zhu)鋼和配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)有(you)色(se)合金(jin)(jin)。叉車配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)按造型(xing)(xing)材(cai)料(liao)的(de)不同,又(you)可(ke)(ke)分為(wei)(wei)兩大類:一類以天然礦產砂石作(zuo)為(wei)(wei)主(zhu)(zhu)要造型(xing)(xing)材(cai)料(liao),如(ru)熔模配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、殼型(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、負壓(ya)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、泥型(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、實型(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、陶瓷型(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等;一類以金(jin)(jin)屬作(zuo)為(wei)(wei)主(zhu)(zhu)要鑄(zhu)(zhu)型(xing)(xing)材(cai)料(liao),如(ru)金(jin)(jin)屬型(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、離心(xin)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、連續(xu)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、叉車配(pei)(pei)(pei)(pei)件鐵(tie)(tie)(tie)、低壓(ya)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等。
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