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鑄鐵配重塊是用于增(zeng)加自身重量來保持平(ping)衡的(de)重物，是將噴丸機熔煉成(cheng)符合 要(yao)求的(de)液體并澆(jiao)進(jin)鑄(zhu)型(xing)里，經(jing)冷卻凝固、清整(zheng)處理(li)后得到有預(yu)定形狀、尺寸和性能的(de)鑄(zhu)件的(de)工藝過程。現代機械(xie)制造(zao)工業的(de)基(ji)礎工藝之一。
工(gong)作(zuo)面(mian)小(xiao)范(fan)圍(wei)內(nei)的局部(bu)變(bian)化是(shi)指(zhi)加工(gong)表面(mian)不(bu)平(ping)整，有變(bian)形(xing)，灰(hui)口鐵(tie)可以看作(zuo)是(shi)鋼的基體與片(pian)狀石墨(mo)的夾雜。因此石墨(mo)片(pian)越(yue)少(shao)，越(yue)細(xi)，為了保證鑄鐵(tie)在(zai)澆鑄能夠得(de)到灰(hui)口，且不(bu)至于得(de)到過多和粗大(da)的石墨(mo)片(pian)，這里(li)所說的工(gong)作(zuo)面(mian)小(xiao)范(fan)圍(wei)，對小(xiao)鑄鐵(tie)平(ping)板而言是(shi)局部(bu)位置，對大(da)鑄鐵(tie)平(ping)板而言是(shi)局部(bu)面(mian)積。鑄鐵(tie)平(ping)板的平(ping)整性反(fan)映(ying)了鑄鐵(tie)平(ping)板局部(bu)誤(wu)差(cha)鑄鐵(tie)平(ping)板的局部(bu)誤(wu)差(cha)是(shi)指(zhi)鑄鐵(tie)平(ping)板工(gong)作(zuo)面(mian)局部(bu)平(ping)面(mian)度加工(gong)質量，即表面(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(jian)里，造(zao)型(xing)(xing)造(zao)芯都實(shi)現了(le)機(ji)械(xie)化或自動(dong)化。常(chang)用的砂型(xing)(xing)造(zao)型(xing)(xing)造(zao)芯設備有高、中、低壓造(zao)型(xing)(xing)機(ji)、拋砂機(ji)、無箱射(she)壓造(zao)型(xing)(xing)機(ji)、射(she)芯機(ji)、冷和(he)熱芯盒機(ji)等。
叉車配重鐵(tie)(tie)(tie)工藝可分(fen)為(wei)三個基本部分(fen)，即配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金屬(shu)(shu)(shu)(shu)(shu)準備(bei)、鑄(zhu)型(xing)準備(bei)和鑄(zhu)件(jian)處理。 配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金屬(shu)(shu)(shu)(shu)(shu)是指配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)生產中用于澆注(zhu)鑄(zhu)件(jian)的金屬(shu)(shu)(shu)(shu)(shu)材(cai)料(liao)(liao)，它是以一種金屬(shu)(shu)(shu)(shu)(shu)元素(su)為(wei)主要(yao)成(cheng)分(fen)，并加入其他(ta)金屬(shu)(shu)(shu)(shu)(shu)或非金屬(shu)(shu)(shu)(shu)(shu)元素(su)而(er)組成(cheng)的合金，習慣上稱為(wei)配重(zhong)(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)和配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)有色合金。叉(cha)車配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)按造(zao)型(xing)材(cai)料(liao)(liao)的不同，又可分(fen)為(wei)兩大類(lei)：一類(lei)以天然(ran)礦產砂(sha)石作為(wei)主要(yao)造(zao)型(xing)材(cai)料(liao)(liao)，如熔模配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、殼(ke)型(xing)配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、負(fu)壓配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、泥(ni)型(xing)配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、實型(xing)配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、陶(tao)瓷型(xing)配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等;一類(lei)以金屬(shu)(shu)(shu)(shu)(shu)作為(wei)主要(yao)鑄(zhu)型(xing)材(cai)料(liao)(liao)，如金屬(shu)(shu)(shu)(shu)(shu)型(xing)配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、離心配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、連續配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、叉(cha)車配件(jian)鐵(tie)(tie)(tie)、低壓配重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等。
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