不銹鋼精密鑄造例(li)如砂型鑄造(zao),大(da)(da)量生產(chan)的(de)工廠應(ying)創(chuang)造(zao)條件采用技術先進的(de)造(zao)型、造(zao)芯方法。老式(shi)的(de)震擊(ji)式(shi)或震壓式(shi)造(zao)型機生產(chan)線生產(chan)率(lv)不夠(gou)高,工人(ren)勞動強度大(da)(da),噪聲(sheng)大(da)(da),不適(shi)應(ying)大(da)(da)量生產(chan)的(de)要求,應(ying)逐步加以改造(zao)。
對于(yu)小(xiao)型(xing)(xing)(xing)鑄(zhu)件(jian),不銹(xiu)鋼精密鑄(zhu)造(zao)可以(yi)(yi)采用(yong)水平(ping)分型(xing)(xing)(xing)或(huo)垂直分型(xing)(xing)(xing)的(de)無箱高(gao)(gao)壓造(zao)型(xing)(xing)(xing)機(ji)(ji)生(sheng)產線、實型(xing)(xing)(xing)造(zao)型(xing)(xing)(xing)生(sheng)產效率又(you)高(gao)(gao),占地面積也少;對于(yu)中件(jian)可選用(yong)各種有(you)箱高(gao)(gao)壓造(zao)型(xing)(xing)(xing)機(ji)(ji)生(sheng)產線、氣沖(chong)造(zao)型(xing)(xing)(xing)線,以(yi)(yi)適應快(kuai)速、高(gao)(gao)精度造(zao)型(xing)(xing)(xing)生(sheng)產線的(de)要(yao)求,造(zao)芯(xin)(xin)方(fang)法可選用(yong):冷芯(xin)(xin)盒(he)、熱芯(xin)(xin)盒(he)、殼芯(xin)(xin)等(deng)高(gao)(gao)效制芯(xin)(xin)方(fang)法。
不銹鋼精密鑄造單件小批生(sheng)(sheng)產(chan)的重(zhong)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)鑄件,手工(gong)造(zao)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)仍是重(zhong)要的方(fang)法(fa),手工(gong)造(zao)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)能適(shi)(shi)應(ying)各種(zhong)復雜的要求比較(jiao)靈活,不要求很多工(gong)藝裝備。可以應(ying)用水(shui)玻璃(li)砂(sha)(sha)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)、VRH法(fa)水(shui)玻璃(li)砂(sha)(sha)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)、有機酯水(shui)玻璃(li)自(zi)硬砂(sha)(sha)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)、粘土干型(xing)(xing)(xing)(xing)(xing)(xing)(xing)、樹脂自(zi)硬砂(sha)(sha)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)及水(shui)泥(ni)砂(sha)(sha)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)等;對于單件生(sheng)(sheng)產(chan)的重(zhong)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)鑄件,采(cai)(cai)用地坑造(zao)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)法(fa)成(cheng)本低,投產(chan)快。批量(liang)生(sheng)(sheng)產(chan)或長期生(sheng)(sheng)產(chan)的定(ding)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)產(chan)品采(cai)(cai)用多箱造(zao)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)、劈箱造(zao)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)法(fa)比較(jiao)適(shi)(shi)宜(yi),雖(sui)然模(mo)具(ju)、砂(sha)(sha)箱等開始投資(zi)高,但可從節(jie)約造(zao)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)工(gong)時、提(ti)高產(chan)品質量(liang)方(fang)面得到補償。
低壓鑄造(zao)、壓鑄、離心鑄造(zao)等鑄造(zao)方法,因設(she)備和模具的(de)價格(ge)昂貴,所以只(zhi)適合(he)批量生產。