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?裝載機配重004A

2021-04-13 10:34:24
?裝載機配重004A
詳細(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里,造(zao)型(xing)造(zao)芯(xin)都實現了(le)機(ji)(ji)械化(hua)或自(zi)動化(hua)。常用的砂型(xing)造(zao)型(xing)造(zao)芯(xin)設備有高、中、低壓(ya)造(zao)型(xing)機(ji)(ji)、拋砂機(ji)(ji)、無(wu)箱射(she)壓(ya)造(zao)型(xing)機(ji)(ji)、射(she)芯(xin)機(ji)(ji)、冷和熱芯(xin)盒機(ji)(ji)等。

  叉車配重鐵(tie)(tie)(tie)工藝可分為三個基本部分,即配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)屬(shu)準備、鑄(zhu)(zhu)(zhu)型(xing)(xing)(xing)準備和(he)鑄(zhu)(zhu)(zhu)件(jian)處理。 配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)屬(shu)是指配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)生產(chan)中用于澆注鑄(zhu)(zhu)(zhu)件(jian)的金(jin)屬(shu)材料(liao),它是以(yi)一(yi)種金(jin)屬(shu)元素為主要(yao)成分,并加入其他金(jin)屬(shu)或非金(jin)屬(shu)元素而(er)組成的合(he)金(jin),習(xi)慣上稱為配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)合(he)金(jin),主要(yao)有(you)鑄(zhu)(zhu)(zhu)鐵(tie)(tie)(tie)、鑄(zhu)(zhu)(zhu)鋼(gang)和(he)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)有(you)色(se)合(he)金(jin)。叉(cha)車配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)按造型(xing)(xing)(xing)材料(liao)的不同,又(you)可分為兩大類:一(yi)類以(yi)天(tian)然礦產(chan)砂石(shi)作為主要(yao)造型(xing)(xing)(xing)材料(liao),如熔模配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、殼型(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、負壓配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、泥(ni)型(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、實(shi)型(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、陶(tao)瓷型(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等(deng);一(yi)類以(yi)金(jin)屬(shu)作為主要(yao)鑄(zhu)(zhu)(zhu)型(xing)(xing)(xing)材料(liao),如金(jin)屬(shu)型(xing)(xing)(xing)配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、離心配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、連續配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、叉(cha)車配(pei)(pei)(pei)(pei)件(jian)鐵(tie)(tie)(tie)、低壓配(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等(deng)。

  配重塊結(jie)構設(she)計除應(ying)符合(he)機器(qi)設(she)備本身(shen)的要求(qiu)(qiu)和(he)機械(xie)加工工藝性的要求(qiu)(qiu)外,還應(ying)符合(he)鑄造工藝的要求(qiu)(qiu),配重(zhong)塊的結(jie)構設(she)計應(ying)注意以下幾(ji)點:

  一、要便于(yu)制造模型(xing)、芯(xin)盒和造型(xing):

  1)配重塊的(de)外形應(ying)力求(qiu)簡單,以便于起(qi)模,應(ying)盡量使(shi)鑄造分型(xing)面為平面,且數(shu)目小;

  2)配重(zhong)塊的(de)內(nei)腔應(ying)力(li)求鑄造時(shi)(shi)不(bu)用或少用型(xing)芯(xin),當(dang)采用型(xing)芯(xin)時(shi)(shi),應(ying)方便其支撐、固定及排氣出砂,時(shi)(shi)應(ying)設有(you)足夠的(de)工藝孔;

  3)對于(yu)配重塊內外(wai)側面及加強肋(lei)等結構(gou)(gou),應(ying)在起模方向設(she)有的結構(gou)(gou)斜度;

  4)配重(zhong)塊(kuai)上的凸(tu)臺(tai)部分與配重(zhong)鐵本體不應相差過大,好取(qu)同(tong)一高度,同(tong)一面(mian)上的距離較近的幾(ji)個凸(tu)臺(tai),好連(lian)成整(zheng)體的凸(tu)起部分。

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