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?裝載機配重004A

2021-04-13 10:34:24
?裝載機配重004A
詳(xiang)細(xi)介紹:

  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)(zao)型(xing)造(zao)(zao)芯(xin)(xin)都實現了(le)機(ji)(ji)(ji)械化或自動化。常用的砂(sha)型(xing)造(zao)(zao)型(xing)造(zao)(zao)芯(xin)(xin)設備有高、中、低壓(ya)造(zao)(zao)型(xing)機(ji)(ji)(ji)、拋砂(sha)機(ji)(ji)(ji)、無箱射壓(ya)造(zao)(zao)型(xing)機(ji)(ji)(ji)、射芯(xin)(xin)機(ji)(ji)(ji)、冷和熱芯(xin)(xin)盒機(ji)(ji)(ji)等(deng)。

  叉車配重鐵(tie)(tie)(tie)工藝可分為(wei)(wei)(wei)三個基本部分,即配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)準備、鑄型(xing)(xing)(xing)準備和鑄件處理。 配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)是(shi)指配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)生(sheng)產中用于澆注(zhu)鑄件的金(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)材(cai)料(liao)(liao),它是(shi)以一(yi)種金(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)元素(su)為(wei)(wei)(wei)主(zhu)(zhu)要成(cheng)分,并(bing)加入(ru)其他金(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)或非(fei)金(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)元素(su)而組(zu)成(cheng)的合金(jin)(jin)(jin)(jin)(jin),習慣上稱為(wei)(wei)(wei)配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)合金(jin)(jin)(jin)(jin)(jin),主(zhu)(zhu)要有(you)鑄鐵(tie)(tie)(tie)、鑄鋼和配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)有(you)色(se)合金(jin)(jin)(jin)(jin)(jin)。叉車配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)按(an)造型(xing)(xing)(xing)材(cai)料(liao)(liao)的不同,又可分為(wei)(wei)(wei)兩大類:一(yi)類以天然礦產砂石作(zuo)為(wei)(wei)(wei)主(zhu)(zhu)要造型(xing)(xing)(xing)材(cai)料(liao)(liao),如熔模配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、殼型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、負壓配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、泥(ni)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、實型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、陶瓷型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等;一(yi)類以金(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)作(zuo)為(wei)(wei)(wei)主(zhu)(zhu)要鑄型(xing)(xing)(xing)材(cai)料(liao)(liao),如金(jin)(jin)(jin)(jin)(jin)屬(shu)(shu)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、離心(xin)配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、連(lian)續(xu)配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、叉車配(pei)件鐵(tie)(tie)(tie)、低壓配(pei)重(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等。

  配重塊結構(gou)設計(ji)除應(ying)符合機(ji)器設備(bei)本身的要求(qiu)和(he)機(ji)械加工(gong)工(gong)藝(yi)性的要求(qiu)外(wai),還(huan)應(ying)符合鑄(zhu)造(zao)工(gong)藝(yi)的要求(qiu),配重塊的結構(gou)設計(ji)應(ying)注(zhu)意以下幾(ji)點:

  一、要便于制造模型(xing)、芯盒和(he)造型(xing):

  1)配重塊的(de)外(wai)形應(ying)力求簡(jian)單(dan),以(yi)便(bian)于起模,應(ying)盡(jin)量使鑄(zhu)造分型面(mian)為(wei)平面(mian),且數目小;

  2)配重塊(kuai)的內腔應力求鑄造(zao)時不(bu)用(yong)或少用(yong)型(xing)(xing)芯(xin),當采(cai)用(yong)型(xing)(xing)芯(xin)時,應方便其支撐、固定(ding)及排氣出砂(sha),時應設有足(zu)夠的工藝孔;

  3)對(dui)于(yu)配重(zhong)塊內外側面及(ji)加(jia)強(qiang)肋等結(jie)構,應在起(qi)模(mo)方向設有的(de)結(jie)構斜度;

  4)配重塊上的凸(tu)臺部分(fen)與配重鐵本體不(bu)應相(xiang)差過大(da),好(hao)取同(tong)一高度,同(tong)一面上的距離較近(jin)的幾個(ge)凸(tu)臺,好(hao)連成整體的凸(tu)起(qi)部分(fen)。

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