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?裝載機配重004A

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

  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)(xing)(xing)(xing)造(zao)(zao)芯(xin)都(dou)實(shi)現了機(ji)械化或自動(dong)化。常用的(de)砂型(xing)(xing)(xing)(xing)造(zao)(zao)型(xing)(xing)(xing)(xing)造(zao)(zao)芯(xin)設備(bei)有(you)高、中(zhong)、低壓造(zao)(zao)型(xing)(xing)(xing)(xing)機(ji)、拋砂機(ji)、無箱射壓造(zao)(zao)型(xing)(xing)(xing)(xing)機(ji)、射芯(xin)機(ji)、冷和熱(re)芯(xin)盒機(ji)等。

  叉車配重鐵(tie)(tie)(tie)工藝可分為(wei)三個基本部分,即配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)準備、鑄(zhu)(zhu)型(xing)(xing)(xing)(xing)準備和鑄(zhu)(zhu)件(jian)(jian)處(chu)理。 配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)是指配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)生產中用于澆(jiao)注鑄(zhu)(zhu)件(jian)(jian)的(de)金(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)材(cai)(cai)料(liao),它是以一(yi)種金(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)元素(su)為(wei)主(zhu)要(yao)成分,并加入其他(ta)金(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)或(huo)非金(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)元素(su)而組成的(de)合(he)金(jin)(jin)(jin)(jin),習慣上稱為(wei)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)合(he)金(jin)(jin)(jin)(jin),主(zhu)要(yao)有鑄(zhu)(zhu)鐵(tie)(tie)(tie)、鑄(zhu)(zhu)鋼(gang)和配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)有色(se)合(he)金(jin)(jin)(jin)(jin)。叉車配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)按(an)造(zao)型(xing)(xing)(xing)(xing)材(cai)(cai)料(liao)的(de)不(bu)同,又(you)可分為(wei)兩(liang)大類:一(yi)類以天然礦(kuang)產砂石(shi)作為(wei)主(zhu)要(yao)造(zao)型(xing)(xing)(xing)(xing)材(cai)(cai)料(liao),如(ru)熔(rong)模配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、殼型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、負壓配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、泥型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、實型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、陶(tao)瓷型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等;一(yi)類以金(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)作為(wei)主(zhu)要(yao)鑄(zhu)(zhu)型(xing)(xing)(xing)(xing)材(cai)(cai)料(liao),如(ru)金(jin)(jin)(jin)(jin)屬(shu)(shu)(shu)(shu)型(xing)(xing)(xing)(xing)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、離心(xin)配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、連續配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、叉車配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)鐵(tie)(tie)(tie)、低壓配(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等。

  配重塊結構設計除應(ying)符合(he)機器(qi)設備本身的(de)要求和機械加工工藝性的(de)要求外(wai),還(huan)應(ying)符合(he)鑄造工藝的(de)要求,配重塊的(de)結構設計應(ying)注意以下幾點:

  一、要(yao)便于(yu)制造(zao)(zao)模型、芯(xin)盒和造(zao)(zao)型:

  1)配(pei)重塊的外形(xing)應(ying)力求簡單,以便于起模,應(ying)盡量(liang)使(shi)鑄造分型面為(wei)平面,且數目小;

  2)配重塊的(de)內腔應力求(qiu)鑄造時(shi)不用或少用型芯,當采用型芯時(shi),應方便其支(zhi)撐、固定及排氣出砂,時(shi)應設有足夠的(de)工(gong)藝(yi)孔;

  3)對(dui)于配重塊內外側面及加強肋(lei)等(deng)結(jie)構(gou),應在起模方向設有的(de)結(jie)構(gou)斜(xie)度;

  4)配(pei)重塊上的凸(tu)臺部(bu)分與配(pei)重鐵本體不(bu)應(ying)相差過(guo)大,好(hao)(hao)取同一高度,同一面上的距離(li)較近的幾個凸(tu)臺,好(hao)(hao)連成(cheng)整體的凸(tu)起部(bu)分。

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