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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,造型(xing)造芯(xin)都(dou)實現了機(ji)械(xie)化或自動化。常用的砂型(xing)造型(xing)造芯(xin)設備有高、中(zhong)、低壓造型(xing)機(ji)、拋砂機(ji)、無箱射壓造型(xing)機(ji)、射芯(xin)機(ji)、冷和熱芯(xin)盒(he)機(ji)等。

  叉車配重鐵(tie)(tie)(tie)工藝可(ke)(ke)分為三(san)個基本部(bu)分,即配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)屬(shu)(shu)準備、鑄(zhu)(zhu)型(xing)(xing)準備和(he)鑄(zhu)(zhu)件(jian)處理(li)。 配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)金(jin)屬(shu)(shu)是指配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)生產中用于澆注(zhu)鑄(zhu)(zhu)件(jian)的(de)金(jin)屬(shu)(shu)材(cai)(cai)料(liao),它是以一種金(jin)屬(shu)(shu)元(yuan)素為主(zhu)要(yao)(yao)成分,并加入其他金(jin)屬(shu)(shu)或非金(jin)屬(shu)(shu)元(yuan)素而組成的(de)合金(jin),習慣上稱(cheng)為配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)合金(jin),主(zhu)要(yao)(yao)有(you)鑄(zhu)(zhu)鐵(tie)(tie)(tie)、鑄(zhu)(zhu)鋼和(he)配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)有(you)色合金(jin)。叉(cha)車配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)按(an)造型(xing)(xing)材(cai)(cai)料(liao)的(de)不同,又(you)可(ke)(ke)分為兩大類(lei):一類(lei)以天然礦產砂石作為主(zhu)要(yao)(yao)造型(xing)(xing)材(cai)(cai)料(liao),如(ru)熔模配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、殼型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、負壓配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、泥型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、實(shi)型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、陶瓷型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等(deng);一類(lei)以金(jin)屬(shu)(shu)作為主(zhu)要(yao)(yao)鑄(zhu)(zhu)型(xing)(xing)材(cai)(cai)料(liao),如(ru)金(jin)屬(shu)(shu)型(xing)(xing)配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、離心配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、連續配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)、叉(cha)車配(pei)(pei)(pei)(pei)(pei)(pei)件(jian)鐵(tie)(tie)(tie)、低壓配(pei)(pei)(pei)(pei)(pei)(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)鐵(tie)(tie)(tie)等(deng)。

  配重塊結(jie)構設計(ji)除應符(fu)(fu)合(he)機(ji)器設備本身的(de)(de)要(yao)求和機(ji)械加工工藝性的(de)(de)要(yao)求外,還應符(fu)(fu)合(he)鑄(zhu)造工藝的(de)(de)要(yao)求,配(pei)重塊的(de)(de)結(jie)構設計(ji)應注(zhu)意以下幾點:

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

  1)配重塊的外形(xing)應力求簡單,以(yi)便于起模,應盡量使(shi)鑄造分型面為平面,且(qie)數(shu)目小;

  2)配重塊的內腔應力求(qiu)鑄造時(shi)不用或少用型芯,當采用型芯時(shi),應方便其(qi)支(zhi)撐(cheng)、固定及排(pai)氣出砂,時(shi)應設有(you)足夠的工藝孔;

  3)對于配重塊(kuai)內外側面及(ji)加強肋等(deng)結構,應在(zai)起模方向(xiang)設(she)有(you)的結構斜度;

  4)配重塊上的凸(tu)臺(tai)部分與配重鐵本體不應相(xiang)差過大,好取同一(yi)(yi)高度(du),同一(yi)(yi)面上的距離(li)較近的幾個(ge)凸(tu)臺(tai),好連成整(zheng)體的凸(tu)起(qi)部分。

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