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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(li),造(zao)(zao)型(xing)造(zao)(zao)芯(xin)都實(shi)現了機(ji)械化或自動(dong)化。常用的砂型(xing)造(zao)(zao)型(xing)造(zao)(zao)芯(xin)設備有高、中、低壓造(zao)(zao)型(xing)機(ji)、拋砂機(ji)、無(wu)箱(xiang)射壓造(zao)(zao)型(xing)機(ji)、射芯(xin)機(ji)、冷和熱芯(xin)盒機(ji)等。

  叉車配重鐵工藝(yi)可分(fen)(fen)為三(san)個基(ji)本部分(fen)(fen),即配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵金(jin)(jin)(jin)屬(shu)(shu)準備(bei)(bei)、鑄(zhu)(zhu)型(xing)(xing)(xing)準備(bei)(bei)和鑄(zhu)(zhu)件(jian)處理。 配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵金(jin)(jin)(jin)屬(shu)(shu)是(shi)指配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵生產中用于澆注鑄(zhu)(zhu)件(jian)的金(jin)(jin)(jin)屬(shu)(shu)材(cai)(cai)料(liao),它是(shi)以(yi)(yi)(yi)一種金(jin)(jin)(jin)屬(shu)(shu)元(yuan)素(su)為主要(yao)成(cheng)分(fen)(fen),并加入(ru)其他金(jin)(jin)(jin)屬(shu)(shu)或非金(jin)(jin)(jin)屬(shu)(shu)元(yuan)素(su)而組(zu)成(cheng)的合(he)(he)金(jin)(jin)(jin),習慣(guan)上稱為配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵合(he)(he)金(jin)(jin)(jin),主要(yao)有鑄(zhu)(zhu)鐵、鑄(zhu)(zhu)鋼和配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵有色合(he)(he)金(jin)(jin)(jin)。叉(cha)車配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵按(an)造(zao)型(xing)(xing)(xing)材(cai)(cai)料(liao)的不同(tong),又可分(fen)(fen)為兩(liang)大類:一類以(yi)(yi)(yi)天(tian)然礦產砂(sha)石作(zuo)為主要(yao)造(zao)型(xing)(xing)(xing)材(cai)(cai)料(liao),如熔模配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵、殼(ke)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵、負(fu)壓配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵、泥型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵、實型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵、陶瓷型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵等;一類以(yi)(yi)(yi)金(jin)(jin)(jin)屬(shu)(shu)作(zuo)為主要(yao)鑄(zhu)(zhu)型(xing)(xing)(xing)材(cai)(cai)料(liao),如金(jin)(jin)(jin)屬(shu)(shu)型(xing)(xing)(xing)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵、離心(xin)配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵、連續配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵、叉(cha)車配(pei)件(jian)鐵、低壓配(pei)重(zhong)(zhong)(zhong)(zhong)(zhong)鐵等。

  配重塊結構設(she)計除應(ying)符合機(ji)器設(she)備本(ben)身的要(yao)(yao)求(qiu)和機(ji)械(xie)加工工藝(yi)性的要(yao)(yao)求(qiu)外,還應(ying)符合鑄造工藝(yi)的要(yao)(yao)求(qiu),配重塊的結構設(she)計應(ying)注意以下幾點:

  一、要便于(yu)制(zhi)造模型、芯(xin)盒和造型:

  1)配重塊(kuai)的(de)外形應力(li)求(qiu)簡單,以便(bian)于起(qi)模,應盡(jin)量使鑄造分型面為平面,且數(shu)目小(xiao);

  2)配重塊的內腔應(ying)力求(qiu)鑄造時不用或少(shao)用型芯,當采用型芯時,應(ying)方便其支撐、固定及排氣出(chu)砂,時應(ying)設有(you)足夠的工藝孔(kong);

  3)對于配重塊內外(wai)側面及加(jia)強肋等結(jie)構(gou),應在起模方向(xiang)設有的結(jie)構(gou)斜度;

  4)配重塊上(shang)的(de)凸臺(tai)部分與配重鐵本體(ti)不應相差過大,好(hao)(hao)取同一(yi)高度,同一(yi)面(mian)上(shang)的(de)距離較近的(de)幾個(ge)凸臺(tai),好(hao)(hao)連成整(zheng)體(ti)的(de)凸起部分。

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