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鑄鐵配重塊是(shi)(shi)用于增加(jia)自(zi)身重量來保(bao)持平衡的(de)(de)重物,是(shi)(shi)將噴丸機(ji)熔(rong)煉成(cheng)符合 要求(qiu)的(de)(de)液體(ti)并澆進鑄(zhu)型里,經(jing)冷卻凝固、清整處理后(hou)得到有預定(ding)形狀、尺寸和(he)性能的(de)(de)鑄(zhu)件的(de)(de)工(gong)(gong)藝過程。現(xian)代機(ji)械(xie)制造工(gong)(gong)業的(de)(de)基礎工(gong)(gong)藝之(zhi)一(yi)。
工作面(mian)(mian)小(xiao)范圍(wei)內的(de)局(ju)(ju)部(bu)變化是(shi)(shi)(shi)指加工表(biao)面(mian)(mian)不(bu)平(ping)(ping)整(zheng),有變形(xing),灰(hui)口鐵(tie)(tie)可以看作是(shi)(shi)(shi)鋼的(de)基體與片狀石(shi)(shi)墨的(de)夾雜。因此石(shi)(shi)墨片越少(shao),越細,為了保證鑄(zhu)鐵(tie)(tie)在(zai)澆鑄(zhu)能夠得(de)到灰(hui)口,且不(bu)至于得(de)到過多和(he)粗大(da)的(de)石(shi)(shi)墨片,這里所說的(de)工作面(mian)(mian)小(xiao)范圍(wei),對小(xiao)鑄(zhu)鐵(tie)(tie)平(ping)(ping)板(ban)而言(yan)是(shi)(shi)(shi)局(ju)(ju)部(bu)位置,對大(da)鑄(zhu)鐵(tie)(tie)平(ping)(ping)板(ban)而言(yan)是(shi)(shi)(shi)局(ju)(ju)部(bu)面(mian)(mian)積。鑄(zhu)鐵(tie)(tie)平(ping)(ping)板(ban)的(de)平(ping)(ping)整(zheng)性反(fan)映了鑄(zhu)鐵(tie)(tie)平(ping)(ping)板(ban)局(ju)(ju)部(bu)誤差鑄(zhu)鐵(tie)(tie)平(ping)(ping)板(ban)的(de)局(ju)(ju)部(bu)誤差是(shi)(shi)(shi)指鑄(zhu)鐵(tie)(tie)平(ping)(ping)板(ban)工作面(mian)(mian)局(ju)(ju)部(bu)平(ping)(ping)面(mian)(mian)度加工質(zhi)量(liang),即(ji)表(biao)面(mian)(mian)粗糙(cao)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(shi)現了機(ji)械化或(huo)自動化。常(chang)用(yong)的砂型造(zao)(zao)型造(zao)(zao)芯設(she)備有(you)高、中、低壓(ya)造(zao)(zao)型機(ji)、拋砂機(ji)、無箱(xiang)射(she)壓(ya)造(zao)(zao)型機(ji)、射(she)芯機(ji)、冷和熱芯盒機(ji)等。
叉車配重鐵(tie)(tie)(tie)(tie)工藝可(ke)分(fen)為(wei)(wei)三個基本部分(fen),即(ji)配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)金(jin)(jin)屬(shu)準備、鑄(zhu)型(xing)(xing)(xing)準備和鑄(zhu)件處理。 配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)金(jin)(jin)屬(shu)是指配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)生產(chan)中用于(yu)澆注鑄(zhu)件的金(jin)(jin)屬(shu)材(cai)料,它是以(yi)(yi)一(yi)種金(jin)(jin)屬(shu)元素(su)為(wei)(wei)主(zhu)要(yao)成(cheng)分(fen),并加入其他(ta)金(jin)(jin)屬(shu)或(huo)非金(jin)(jin)屬(shu)元素(su)而組成(cheng)的合金(jin)(jin),習慣上稱(cheng)為(wei)(wei)配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)合金(jin)(jin),主(zhu)要(yao)有鑄(zhu)鐵(tie)(tie)(tie)(tie)、鑄(zhu)鋼和配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)有色(se)合金(jin)(jin)。叉車配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)按(an)造型(xing)(xing)(xing)材(cai)料的不同,又可(ke)分(fen)為(wei)(wei)兩大類(lei):一(yi)類(lei)以(yi)(yi)天然礦產(chan)砂石作為(wei)(wei)主(zhu)要(yao)造型(xing)(xing)(xing)材(cai)料,如熔模(mo)配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、殼型(xing)(xing)(xing)配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、負壓配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、泥型(xing)(xing)(xing)配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、實型(xing)(xing)(xing)配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、陶瓷型(xing)(xing)(xing)配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)等;一(yi)類(lei)以(yi)(yi)金(jin)(jin)屬(shu)作為(wei)(wei)主(zhu)要(yao)鑄(zhu)型(xing)(xing)(xing)材(cai)料,如金(jin)(jin)屬(shu)型(xing)(xing)(xing)配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、離心配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、連續配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)、叉車配(pei)(pei)(pei)件鐵(tie)(tie)(tie)(tie)、低(di)壓配(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)(tie)等。
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