陜西專業硅溶膠脫蠟鑄造哪里有
發布時間：2024-12-27 00:40:32
陜西專業硅溶膠脫蠟鑄造哪里有
關于(yu)硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)精(jing)(jing)(jing)(jing)密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)的(de)(de)(de)(de)(de)(de)(de)優良(liang)特(te)(te)性(xing)(xing)(xing)，硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)具(ju)有許(xu)多優良(liang)的(de)(de)(de)(de)(de)(de)(de)特(te)(te)性(xing)(xing)(xing)，例(li)如具(ju)有較(jiao)大的(de)(de)(de)(de)(de)(de)(de)比(bi)表(biao)面積，較(jiao)高(gao)的(de)(de)(de)(de)(de)(de)(de)吸(xi)附性(xing)(xing)(xing)與(yu)粘結(jie)性(xing)(xing)(xing)，高(gao)溫下(xia)的(de)(de)(de)(de)(de)(de)(de)耐(nai)熱性(xing)(xing)(xing)和絕緣(yuan)性(xing)(xing)(xing)以(yi)及催化(hua)活性(xing)(xing)(xing)等(deng)。從而使它成為日益隱忍(ren)注(zhu)目的(de)(de)(de)(de)(de)(de)(de)精(jing)(jing)(jing)(jing)細(xi)化(hua)工(gong)產(chan)品，有著廣闊的(de)(de)(de)(de)(de)(de)(de)應用(yong)前景。下(xia)面莊河市藍天精(jing)(jing)(jing)(jing)密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)有限(xian)公(gong)司針對硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)精(jing)(jing)(jing)(jing)密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)的(de)(de)(de)(de)(de)(de)(de)特(te)(te)點進(jin)行(xing)詳細(xi)介紹(shao)。所謂硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)精(jing)(jing)(jing)(jing)密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)工(gong)藝(yi)，簡單說就(jiu)是用(yong)易(yi)熔材料制成可熔性(xing)(xing)(xing)模型(xing)(xing)，在其(qi)上涂覆若干層特(te)(te)制的(de)(de)(de)(de)(de)(de)(de)耐(nai)火涂料，經(jing)過干燥和硬化(hua)形成一個整(zheng)體型(xing)(xing)殼(ke)后，再用(yong)蒸汽或熱水從型(xing)(xing)殼(ke)中熔掉模型(xing)(xing)，然后把(ba)型(xing)(xing)殼(ke)置于(yu)砂箱中，在其(qi)四(si)周填(tian)充干砂造(zao)(zao)(zao)型(xing)(xing)，后將鑄(zhu)(zhu)(zhu)(zhu)(zhu)型(xing)(xing)放(fang)入焙燒(shao)爐中經(jing)過高(gao)溫焙燒(shao)，鑄(zhu)(zhu)(zhu)(zhu)(zhu)型(xing)(xing)或型(xing)(xing)殼(ke)經(jing)焙燒(shao)后，于(yu)其(qi)中澆注(zhu)熔融金(jin)屬而得到鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)。 將含有耐(nai)火材料粉末的(de)(de)(de)(de)(de)(de)(de)硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)涂在鑄(zhu)(zhu)(zhu)(zhu)(zhu)型(xing)(xing)表(biao)面上，可以(yi)減(jian)少(shao)模子(zi)(zi)與(yu)錠子(zi)(zi)間的(de)(de)(de)(de)(de)(de)(de)摩擦，保護模子(zi)(zi)，提高(gao)成品率;特(te)(te)別在精(jing)(jing)(jing)(jing)密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)中，陶瓷薄(bo)殼(ke)型(xing)(xing)精(jing)(jing)(jing)(jing)密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)法(fa)(fa)，就(jiu)是由于(yu)使用(yong)了硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)才得以(yi)蓬(peng)勃發展(zhan);用(yong)硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)代替硅(gui)酸酯(zhi)可降(jiang)低成本，改善操作條件(jian)，用(yong)小粒子(zi)(zi)直徑硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)制造(zao)(zao)(zao)的(de)(de)(de)(de)(de)(de)(de)薄(bo)殼(ke)強(qiang)度大，光潔度好，可大大提高(gao)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)質(zhi)量。作為一種少(shao)切削(xue)(xue)或無切削(xue)(xue)的(de)(de)(de)(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)工(gong)藝(yi)，硅(gui)溶(rong)(rong)膠(jiao)(jiao)(jiao)(jiao)精(jing)(jing)(jing)(jing)密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)是鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)行(xing)業中的(de)(de)(de)(de)(de)(de)(de)一項優異的(de)(de)(de)(de)(de)(de)(de)工(gong)藝(yi)技術。硅(gui)膠(jiao)(jiao)(jiao)(jiao)熔精(jing)(jing)(jing)(jing)密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)應用(yong)非常廣泛，不(bu)僅(jin)適用(yong)于(yu)各(ge)種類(lei)型(xing)(xing)、各(ge)種合金(jin)的(de)(de)(de)(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)，而且生產(chan)出的(de)(de)(de)(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)尺寸精(jing)(jing)(jing)(jing)度、表(biao)面質(zhi)量比(bi)其(qi)它鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)方(fang)法(fa)(fa)要高(gao)，甚(shen)至其(qi)它鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)方(fang)法(fa)(fa)難于(yu)鑄(zhu)(zhu)(zhu)(zhu)(zhu)得的(de)(de)(de)(de)(de)(de)(de)復雜、耐(nai)高(gao)溫、不(bu)易(yi)于(yu)加(jia)工(gong)的(de)(de)(de)(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)。
陜西專業硅溶膠脫蠟鑄造哪里有
公(gong)道壁(bi)(bi)厚在滿足鑄件小答應壁(bi)(bi)厚的(de)條件下，即能保證(zheng)熔融(rong)金屬(shu)具有(you)良好(hao)的(de)活動(dong)性，又能避(bi)免(mian)產生(sheng)因收縮(suo)量過大而(er)(er)引起(qi)的(de)鑄造缺陷。均勻壁(bi)(bi)厚是指各部分(fen)(fen)的(de)壁(bi)(bi)厚冷卻速度均勻。內壁(bi)(bi)隔墻(qiang)薄、四周(zhou)壁(bi)(bi)應厚。過渡連接，結構(gou)圓角：避(bi)免(mian)熱(re)節形(xing)(xing)成；改善應力(li)分(fen)(fen)布；避(bi)免(mian)砂型損壞和(he)(he)產生(sheng)砂眼(yan)。大平面傾斜目(mu)(mu)的(de)：利(li)用填充和(he)(he)排氣(qi)排查。自由收縮(suo)目(mu)(mu)的(de)：有(you)利(li)減小因收縮(suo)應力(li)而(er)(er)引起(qi)的(de)應力(li)開裂和(he)(he)變(bian)形(xing)(xing)。減小變(bian)形(xing)(xing)（同熱(re)處理(li)）對稱(cheng)結構(gou)、增(zeng)設加(jia)強(qiang)肋(lei)。
陜西專業硅溶膠脫蠟鑄造哪里有
不(bu)(bu)(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)(gang)鑄(zhu)造(zao)在(zai)(zai)建筑(zhu)裝(zhuang)(zhuang)(zhuang)飾中(zhong)(zhong)(zhong)得到(dao)(dao)廣泛應(ying)用(yong)(yong)(yong)，由于具有優(you)異的(de)(de)(de)(de)耐(nai)(nai)(nai)蝕性(xing)(xing)(xing)(xing)、可(ke)塑性(xing)(xing)(xing)(xing)、相容(rong)性(xing)(xing)(xing)(xing)等特(te)點(dian)，不(bu)(bu)(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)(gang)目(mu)前已在(zai)(zai)重工(gong)業(ye)、輕工(gong)業(ye)、生(sheng)活(huo)用(yong)(yong)(yong)品行(xing)(xing)業(ye)以及建筑(zhu)裝(zhuang)(zhuang)(zhuang)飾等行(xing)(xing)業(ye)中(zhong)(zhong)(zhong)獲取得廣泛的(de)(de)(de)(de)應(ying)用(yong)(yong)(yong)。通俗地(di)說，不(bu)(bu)(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)(gang)就是不(bu)(bu)(bu)(bu)容(rong)易生(sheng)銹(xiu)(xiu)(xiu)的(de)(de)(de)(de)鋼(gang)(gang)(gang)，實(shi)際(ji)上有些(xie)不(bu)(bu)(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)(gang)在(zai)(zai)防(fang)銹(xiu)(xiu)(xiu)的(de)(de)(de)(de)同時(shi)，又具有耐(nai)(nai)(nai)酸性(xing)(xing)(xing)(xing)。不(bu)(bu)(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)(gang)的(de)(de)(de)(de)防(fang)銹(xiu)(xiu)(xiu)與耐(nai)(nai)(nai)蝕是因(yin)其表面上有一層氧化(hua)(hua)膜所(suo)致。試驗表明，鋼(gang)(gang)(gang)在(zai)(zai)大氣、水等弱介質中(zhong)(zhong)(zhong)和硝酸等氧化(hua)(hua)性(xing)(xing)(xing)(xing)介質中(zhong)(zhong)(zhong)，其耐(nai)(nai)(nai)蝕性(xing)(xing)(xing)(xing)隨鋼(gang)(gang)(gang)中(zhong)(zhong)(zhong)鉻含水量(liang)的(de)(de)(de)(de)增加(jia)而(er)提高(gao)，當(dang)鉻含量(liang)達到(dao)(dao)一定的(de)(de)(de)(de)百(bai)分比時(shi)，鋼(gang)(gang)(gang)的(de)(de)(de)(de)耐(nai)(nai)(nai)蝕性(xing)(xing)(xing)(xing)發生(sheng)突(tu)變，即從易生(sheng)銹(xiu)(xiu)(xiu)到(dao)(dao)不(bu)(bu)(bu)(bu)易生(sheng)銹(xiu)(xiu)(xiu)，從不(bu)(bu)(bu)(bu)耐(nai)(nai)(nai)蝕到(dao)(dao)耐(nai)(nai)(nai)腐蝕。不(bu)(bu)(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)(gang)鑄(zhu)造(zao)簡單說就是用(yong)(yong)(yong)易熔(rong)材料(liao)(例如蠟料(liao)或塑料(liao))制成可(ke)熔(rong)性(xing)(xing)(xing)(xing)模型(xing)(xing)(xing)(xing)(簡稱熔(rong)模或模型(xing)(xing)(xing)(xing))，在(zai)(zai)其上涂(tu)覆若干(gan)層特(te)制的(de)(de)(de)(de)耐(nai)(nai)(nai)火(huo)涂(tu)料(liao)，經過(guo)(guo)干(gan)燥和硬化(hua)(hua)形成一個整體型(xing)(xing)(xing)(xing)殼后(hou)，再用(yong)(yong)(yong)蒸汽(qi)或熱水從型(xing)(xing)(xing)(xing)殼中(zhong)(zhong)(zhong)熔(rong)掉(diao)模型(xing)(xing)(xing)(xing)，然后(hou)把型(xing)(xing)(xing)(xing)殼置于砂箱(xiang)中(zhong)(zhong)(zhong)，在(zai)(zai)其四(si)周填充干(gan)砂造(zao)型(xing)(xing)(xing)(xing)，后(hou)將(jiang)鑄(zhu)型(xing)(xing)(xing)(xing)放入焙(bei)(bei)燒(shao)爐中(zhong)(zhong)(zhong)經過(guo)(guo)高(gao)溫焙(bei)(bei)燒(shao)(如采用(yong)(yong)(yong)高(gao)強度型(xing)(xing)(xing)(xing)殼時(shi)，可(ke)不(bu)(bu)(bu)(bu)必造(zao)型(xing)(xing)(xing)(xing)而(er)將(jiang)脫(tuo)模后(hou)的(de)(de)(de)(de)型(xing)(xing)(xing)(xing)殼直接(jie)焙(bei)(bei)燒(shao))，鑄(zhu)型(xing)(xing)(xing)(xing)或型(xing)(xing)(xing)(xing)殼經焙(bei)(bei)燒(shao)后(hou)，于其中(zhong)(zhong)(zhong)澆注熔(rong)融金屬而(er)得到(dao)(dao)鑄(zhu)件。正因(yin)為(wei)不(bu)(bu)(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)(gang)鑄(zhu)造(zao)的(de)(de)(de)(de)這一特(te)性(xing)(xing)(xing)(xing)，目(mu)前不(bu)(bu)(bu)(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)(gang)制品已在(zai)(zai)建筑(zhu)裝(zhuang)(zhuang)(zhuang)飾行(xing)(xing)業(ye)得到(dao)(dao)廣泛的(de)(de)(de)(de)使用(yong)(yong)(yong)。
陜西專業硅溶膠脫蠟鑄造哪里有
莊河(he)市藍天精密(mi)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)有限公司為(wei)您整理分享，現(xian)代熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)方法在工(gong)(gong)業生產中(zhong)(zhong)得到(dao)實際應用(yong)(yong)是(shi)在二十世紀四(si)十年(nian)(nian)代。當(dang)(dang)時航(hang)空噴氣發(fa)(fa)動(dong)機(ji)(ji)的(de)(de)(de)(de)(de)發(fa)(fa)展(zhan)，要求制(zhi)造(zao)(zao)象葉(xie)片、葉(xie)輪、噴嘴等(deng)形(xing)(xing)狀復(fu)雜，尺寸(cun)(cun)精確以(yi)及表面光潔的(de)(de)(de)(de)(de)耐(nai)熱(re)合金(jin)(jin)零件(jian)。由(you)于耐(nai)熱(re)合金(jin)(jin)材(cai)(cai)料(liao)(liao)難于機(ji)(ji)械加工(gong)(gong)，零件(jian)形(xing)(xing)狀復(fu)雜，以(yi)致(zhi)不(bu)能(neng)或(huo)(huo)(huo)難于用(yong)(yong)其(qi)它方法制(zhi)造(zao)(zao)，因(yin)此，需(xu)要尋找(zhao)一(yi)(yi)種新的(de)(de)(de)(de)(de)精密(mi)的(de)(de)(de)(de)(de)成型(xing)(xing)(xing)(xing)(xing)工(gong)(gong)藝，于是(shi)借(jie)鑒古代流傳下來(lai)的(de)(de)(de)(de)(de)失蠟鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)，經過(guo)對材(cai)(cai)料(liao)(liao)和(he)工(gong)(gong)藝的(de)(de)(de)(de)(de)改(gai)進(jin)，現(xian)代熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)方法在古代工(gong)(gong)藝的(de)(de)(de)(de)(de)基礎上獲得重要的(de)(de)(de)(de)(de)發(fa)(fa)展(zhan)。所以(yi)，航(hang)空工(gong)(gong)業的(de)(de)(de)(de)(de)發(fa)(fa)展(zhan)推動(dong)了熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)的(de)(de)(de)(de)(de)應用(yong)(yong)，而(er)熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)的(de)(de)(de)(de)(de)不(bu)斷(duan)改(gai)進(jin)和(he)完善，也為(wei)航(hang)空工(gong)(gong)業進(jin)一(yi)(yi)步(bu)提高(gao)性(xing)能(neng)創造(zao)(zao)了有利(li)的(de)(de)(de)(de)(de)條件(jian)。 我(wo)國(guo)是(shi)于上世紀五、六十年(nian)(nian)代開(kai)始將(jiang)熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)應用(yong)(yong)于工(gong)(gong)業生產。其(qi)后(hou)(hou)這種的(de)(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)工(gong)(gong)藝得到(dao)發(fa)(fa)展(zhan)，相繼在航(hang)空、汽車、機(ji)(ji)床、船舶、內燃機(ji)(ji)、氣輪機(ji)(ji)、電訊儀器(qi)、武器(qi)、醫療(liao)器(qi)械以(yi)及刀具等(deng)制(zhi)造(zao)(zao)工(gong)(gong)業中(zhong)(zhong)被廣泛(fan)采用(yong)(yong)，同時也用(yong)(yong)于工(gong)(gong)藝美術品(pin)的(de)(de)(de)(de)(de)制(zhi)造(zao)(zao)。所謂熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)工(gong)(gong)藝，簡單說就是(shi)用(yong)(yong)易熔(rong)(rong)(rong)材(cai)(cai)料(liao)(liao)（例(li)如蠟料(liao)(liao)或(huo)(huo)(huo)塑(su)料(liao)(liao)）制(zhi)成可熔(rong)(rong)(rong)性(xing)模(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)(xing)(xing)（簡稱熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)或(huo)(huo)(huo)模(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)(xing)(xing)），在其(qi)上涂(tu)覆若干(gan)層特(te)制(zhi)的(de)(de)(de)(de)(de)耐(nai)火(huo)涂(tu)料(liao)(liao)，經過(guo)干(gan)燥(zao)和(he)硬化形(xing)(xing)成一(yi)(yi)個整體型(xing)(xing)(xing)(xing)(xing)殼(ke)(ke)后(hou)(hou)，再用(yong)(yong)蒸汽或(huo)(huo)(huo)熱(re)水(shui)從(cong)型(xing)(xing)(xing)(xing)(xing)殼(ke)(ke)中(zhong)(zhong)熔(rong)(rong)(rong)掉模(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)(xing)(xing)，然后(hou)(hou)把型(xing)(xing)(xing)(xing)(xing)殼(ke)(ke)置(zhi)于砂箱中(zhong)(zhong)，在其(qi)四(si)周(zhou)填(tian)充(chong)干(gan)砂造(zao)(zao)型(xing)(xing)(xing)(xing)(xing)，后(hou)(hou)將(jiang)鑄(zhu)(zhu)(zhu)(zhu)(zhu)型(xing)(xing)(xing)(xing)(xing)放入焙(bei)燒(shao)爐中(zhong)(zhong)經過(guo)高(gao)溫(wen)焙(bei)燒(shao)（如采用(yong)(yong)高(gao)強度型(xing)(xing)(xing)(xing)(xing)殼(ke)(ke)時，可不(bu)必(bi)造(zao)(zao)型(xing)(xing)(xing)(xing)(xing)而(er)將(jiang)脫模(mo)(mo)(mo)(mo)(mo)后(hou)(hou)的(de)(de)(de)(de)(de)型(xing)(xing)(xing)(xing)(xing)殼(ke)(ke)直接焙(bei)燒(shao)），鑄(zhu)(zhu)(zhu)(zhu)(zhu)型(xing)(xing)(xing)(xing)(xing)或(huo)(huo)(huo)型(xing)(xing)(xing)(xing)(xing)殼(ke)(ke)經焙(bei)燒(shao)后(hou)(hou)，于其(qi)中(zhong)(zhong)澆注(zhu)熔(rong)(rong)(rong)融金(jin)(jin)屬而(er)得到(dao)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)。熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)尺寸(cun)(cun)精度較(jiao)高(gao)，一(yi)(yi)般可達CT4-6（砂型(xing)(xing)(xing)(xing)(xing)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)為(wei)CT10~13，壓(ya)鑄(zhu)(zhu)(zhu)(zhu)(zhu)為(wei)CT5~7）,當(dang)(dang)然由(you)于熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)造(zao)(zao)的(de)(de)(de)(de)(de)工(gong)(gong)藝過(guo)程復(fu)雜，影響(xiang)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)尺寸(cun)(cun)精度的(de)(de)(de)(de)(de)因(yin)素(su)較(jiao)多，例(li)如模(mo)(mo)(mo)(mo)(mo)料(liao)(liao)的(de)(de)(de)(de)(de)收縮(suo)(suo)、熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)的(de)(de)(de)(de)(de)變(bian)形(xing)(xing)、型(xing)(xing)(xing)(xing)(xing)殼(ke)(ke)在加熱(re)和(he)冷卻過(guo)程中(zhong)(zhong)的(de)(de)(de)(de)(de)線量變(bian)化、合金(jin)(jin)的(de)(de)(de)(de)(de)收縮(suo)(suo)率以(yi)及在凝固過(guo)程中(zhong)(zhong)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)的(de)(de)(de)(de)(de)變(bian)形(xing)(xing)等(deng)，所以(yi)普(pu)通熔(rong)(rong)(rong)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)的(de)(de)(de)(de)(de)尺寸(cun)(cun)精度雖(sui)然較(jiao)高(gao)，但其(qi)一(yi)(yi)致(zhi)性(xing)仍需(xu)提高(gao)（采用(yong)(yong)中(zhong)(zhong)、高(gao)溫(wen)蠟料(liao)(liao)的(de)(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)(zhu)件(jian)尺寸(cun)(cun)一(yi)(yi)致(zhi)性(xing)要提高(gao)很多）。