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?裝載機配重004A

2021-04-13 10:34:24
?裝載機配重004A
詳細介紹:

  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)(zao)型(xing)(xing)造(zao)(zao)芯(xin)都實現(xian)了(le)機械化(hua)或(huo)自動化(hua)。常用的砂(sha)型(xing)(xing)造(zao)(zao)型(xing)(xing)造(zao)(zao)芯(xin)設備有(you)高、中、低壓造(zao)(zao)型(xing)(xing)機、拋(pao)砂(sha)機、無箱(xiang)射(she)壓造(zao)(zao)型(xing)(xing)機、射(she)芯(xin)機、冷和(he)熱(re)芯(xin)盒機等(deng)。

  叉車配重鐵(tie)(tie)工藝可(ke)分(fen)為(wei)(wei)三個(ge)基本部分(fen),即(ji)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)金屬(shu)(shu)(shu)準備(bei)(bei)、鑄(zhu)(zhu)(zhu)(zhu)型(xing)(xing)(xing)準備(bei)(bei)和(he)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)處理。 配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)金屬(shu)(shu)(shu)是指配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)生產中用于澆(jiao)注鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)的金屬(shu)(shu)(shu)材(cai)料,它是以(yi)一(yi)種金屬(shu)(shu)(shu)元素為(wei)(wei)主(zhu)要(yao)成(cheng)分(fen),并加入其他金屬(shu)(shu)(shu)或非金屬(shu)(shu)(shu)元素而(er)組成(cheng)的合金,習(xi)慣上稱(cheng)為(wei)(wei)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)合金,主(zhu)要(yao)有鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)(tie)、鑄(zhu)(zhu)(zhu)(zhu)鋼和(he)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)有色合金。叉車配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)按(an)造(zao)(zao)型(xing)(xing)(xing)材(cai)料的不同(tong),又可(ke)分(fen)為(wei)(wei)兩大(da)類(lei):一(yi)類(lei)以(yi)天然礦產砂(sha)石(shi)作為(wei)(wei)主(zhu)要(yao)造(zao)(zao)型(xing)(xing)(xing)材(cai)料,如熔模配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、殼(ke)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、負壓(ya)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、泥型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、實(shi)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、陶瓷型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)等(deng);一(yi)類(lei)以(yi)金屬(shu)(shu)(shu)作為(wei)(wei)主(zhu)要(yao)鑄(zhu)(zhu)(zhu)(zhu)型(xing)(xing)(xing)材(cai)料,如金屬(shu)(shu)(shu)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、離心配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、連續配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)、叉車配(pei)件(jian)(jian)鐵(tie)(tie)、低(di)壓(ya)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)等(deng)。

  配重塊結構設計(ji)除應符合(he)機器設備(bei)本身的要求和機械加工(gong)工(gong)藝性的要求外(wai),還(huan)應符合(he)鑄造工(gong)藝的要求,配重塊的結構設計(ji)應注意(yi)以下幾點:

  一、要便于制(zhi)造(zao)模(mo)型(xing)、芯盒和造(zao)型(xing):

  1)配(pei)重(zhong)塊的外(wai)形應(ying)力(li)求簡單,以便于(yu)起模,應(ying)盡量使(shi)鑄造分型面(mian)為平面(mian),且數(shu)目(mu)小;

  2)配重塊的內腔應力求鑄造時不用或少用型芯(xin),當采用型芯(xin)時,應方便其支撐、固(gu)定及排氣出砂,時應設有足(zu)夠的工藝孔;

  3)對于配重塊(kuai)內(nei)外側面及加強肋等結構,應在起模方向(xiang)設有的結構斜(xie)度;

  4)配重塊上(shang)的(de)凸(tu)臺部(bu)分(fen)與(yu)配重鐵本體不應相差過大,好(hao)取同一高度(du),同一面上(shang)的(de)距離較近的(de)幾個凸(tu)臺,好(hao)連成整(zheng)體的(de)凸(tu)起部(bu)分(fen)。

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