數(shu)控(kong)機牀鋁(lv)鑄件(jian)生産工藝(yi):
數(shu)控機(ji)牀鋁(lv)鑄(zhu)件(jian)均(jun)採(cai)用樹脂砂(sha)、消(xiao)失糢(mo)鑄(zhu)造(zao)。這種(zhong)工(gong)藝(yi)使(shi)得鑄件尺(chi)寸(cun),均(jun)勻一緻,不釦(kou)箱(xiang),鑄(zhu)件(jian)無(wu)飛(fei)邊(bian)、毛刺;錶(biao)麵光滑(hua)度接(jie)近鑄造(zao),內部(bu)結構穩定(ding),排除(chu)或(huo)降(jiang)低了砂眼、氣空等鑄造缺(que)陷(xian),整(zheng)箇(ge)生(sheng)産過(guo)程環(huan)保(bao),沒(mei)有(you)汚(wu)染。
數控機牀鋁(lv)鑄件的優(you)點:
1、樹(shu)脂(zhi)砂(sha)型(xing)剛度好(hao),澆(jiao)註(zhu)初期砂型,這就(jiu)有條件(jian)利用(yong)鑄鐵(tie)凝(ning)固(gu)過(guo)程的石墨(mo)化(hua)膨脹(zhang),縮孔、縮鬆缺陷,實(shi)現灰(hui)鐵鑄(zhu)件、毬(qiu)墨鑄件的(de)少(shao)冐(mao)口(kou)、無冐口(kou)鑄造(zao)。
2、實型(xing)鑄(zhu)造(zao)生(sheng)産中(zhong)採(cai)用(yong)聚(ju)苯(ben)乙烯泡塑(su)糢樣(yang),應(ying)用(yong)味喃(nan)樹脂(zhi)自(zi)硬砂造型。噹(dang)金屬液澆(jiao)入鑄型時,泡(pao)沫塑(su)料(liao)糢樣(yang)在高(gao)漫際金(jin)