3D打印精密鑄造件應用
消失模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)是(shi)(shi)屬(shu)于(yu)(yu)精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)的(de)(de)(de)(de)一(yi)(yi)種(zhong)工(gong)(gong)藝(yi),也稱氣化(hua)(hua)(hua)模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)、實(shi)(shi)型(xing)(xing)(xing)(xing)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)、無型(xing)(xing)(xing)(xing)腔(qiang)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)。該工(gong)(gong)藝(yi)尺(chi)寸精(jing)(jing)度(du)高(gao)(gao)達(da)0.2mm以內,表面粗(cu)糙度(du)可(ke)(ke)達(da)Ra5μm~Ra6μm,被(bei)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)界譽之為“21世(shi)紀(ji)的(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)新技(ji)(ji)術(shu)(shu)(shu)(shu)”、“鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)的(de)(de)(de)(de)綠色工(gong)(gong)程(cheng)”。消失模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)工(gong)(gong)藝(yi)消失模(mo)(mo)(mo)(mo)(mo)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)工(gong)(gong)藝(yi),簡單(dan)說就(jiu)是(shi)(shi)用(yong)(yong)(yong)(yong)易熔材料制(zhi)成(cheng)可(ke)(ke)熔解(jie)消失的(de)(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)(xing),經過高(gao)(gao)溫氣化(hua)(hua)(hua)掉模(mo)(mo)(mo)(mo)(mo)型(xing)(xing)(xing)(xing)后(hou),于(yu)(yu)其(qi)中(zhong)澆注熔融金(jin)屬(shu),冷(leng)卻后(hou)去殼得(de)到鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)。隨著(zhu)3D打(da)印(yin)技(ji)(ji)術(shu)(shu)(shu)(shu)的(de)(de)(de)(de)快(kuai)(kuai)(kuai)速發(fa)(fa)展(zhan)(zhan),結(jie)(jie)(jie)合(he)計(ji)(ji)算(suan)機(ji)技(ji)(ji)術(shu)(shu)(shu)(shu)的(de)(de)(de)(de)應用(yong)(yong)(yong)(yong),將產品三維設(she)(she)(she)(she)(she)計(ji)(ji)圖直(zhi)接導入(ru)設(she)(she)(she)(she)(she)備,可(ke)(ke)以直(zhi)接得(de)到鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)原(yuan)型(xing)(xing)(xing)(xing),用(yong)(yong)(yong)(yong)于(yu)(yu)替代(dai)傳統蠟(la)(la)型(xing)(xing)(xing)(xing)。從精(jing)(jing)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)的(de)(de)(de)(de)結(jie)(jie)(jie)構(gou)(gou)(gou)設(she)(she)(she)(she)(she)計(ji)(ji)、工(gong)(gong)藝(yi)制(zhi)定(ding)(ding)到壓(ya)型(xing)(xing)(xing)(xing)設(she)(she)(she)(she)(she)計(ji)(ji)與制(zhi)造(zao)(zao)(zao)(zao)(zao)、蠟(la)(la)模(mo)(mo)(mo)(mo)(mo)成(cheng)型(xing)(xing)(xing)(xing)給(gei)精(jing)(jing)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)的(de)(de)(de)(de)生(sheng)產帶來了(le)巨大(da)變(bian)(bian)革。3D打(da)印(yin)光(guang)(guang)(guang)固化(hua)(hua)(hua)(SLA)快(kuai)(kuai)(kuai)速精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)應用(yong)(yong)(yong)(yong)傳統精(jing)(jing)鑄(zhu)(zhu)(zhu)(zhu)采用(yong)(yong)(yong)(yong)開(kai)模(mo)(mo)(mo)(mo)(mo)壓(ya)制(zhi)蠟(la)(la)模(mo)(mo)(mo)(mo)(mo)澆鑄(zhu)(zhu)(zhu)(zhu)的(de)(de)(de)(de)方式生(sheng)產中(zhong),蠟(la)(la)模(mo)(mo)(mo)(mo)(mo)需要模(mo)(mo)(mo)(mo)(mo)具(ju),小(xiao)批量復(fu)雜(za)零(ling)(ling)(ling)件(jian)(jian)(jian)生(sheng)產面臨著(zhu)成(cheng)本(ben)高(gao)(gao)、周期長、設(she)(she)(she)(she)(she)計(ji)(ji)驗證難以反復(fu)修改(gai)(gai)的(de)(de)(de)(de)問題。這些問題在(zai)利用(yong)(yong)(yong)(yong)3D打(da)印(yin)快(kuai)(kuai)(kuai)速精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)會(hui)得(de)以改(gai)(gai)變(bian)(bian),實(shi)(shi)現(xian)(xian)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)的(de)(de)(de)(de)快(kuai)(kuai)(kuai)速生(sheng)產。什么是(shi)(shi)SLA3D打(da)印(yin)快(kuai)(kuai)(kuai)速精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)?SLA(Stereo Lithography Appearance) 是(shi)(shi)3D打(da)印(yin)工(gong)(gong)藝(yi)中(zhong)一(yi)(yi)種(zhong)精(jing)(jing)度(du)較高(gao)(gao),成(cheng)型(xing)(xing)(xing)(xing)質(zhi)量較好的(de)(de)(de)(de)一(yi)(yi)種(zhong)工(gong)(gong)藝(yi),利用(yong)(yong)(yong)(yong)SLA光(guang)(guang)(guang)固化(hua)(hua)(hua)3D打(da)印(yin)技(ji)(ji)術(shu)(shu)(shu)(shu)直(zhi)接打(da)印(yin)出樹脂(zhi)(zhi)(zhi)模(mo)(mo)(mo)(mo)(mo)替代(dai)傳統鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)蠟(la)(la)模(mo)(mo)(mo)(mo)(mo)用(yong)(yong)(yong)(yong)于(yu)(yu)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)生(sheng)產,可(ke)(ke)省去蠟(la)(la)模(mo)(mo)(mo)(mo)(mo)開(kai)模(mo)(mo)(mo)(mo)(mo)環(huan)節,是(shi)(shi)一(yi)(yi)種(zhong)能夠(gou)同時(shi)(shi)(shi)(shi)滿足鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)業對精(jing)(jing)度(du)以及表面質(zhi)量要求的(de)(de)(de)(de)快(kuai)(kuai)(kuai)速原(yuan)型(xing)(xing)(xing)(xing)技(ji)(ji)術(shu)(shu)(shu)(shu),成(cheng)功率高(gao)(gao),且更(geng)環(huan)保。SLA光(guang)(guang)(guang)固化(hua)(hua)(hua)3D打(da)印(yin)技(ji)(ji)術(shu)(shu)(shu)(shu)原(yuan)理(li)以UV紫外線為光(guang)(guang)(guang)源(yuan),液(ye)態(tai)光(guang)(guang)(guang)敏樹脂(zhi)(zhi)(zhi)為原(yuan)材料,在(zai)計(ji)(ji)算(suan)機(ji)控制(zhi)下按(an)照(zhao)三維圖形的(de)(de)(de)(de)截面數據逐層打(da)樣印(yin)累積成(cheng)型(xing)(xing)(xing)(xing)。用(yong)(yong)(yong)(yong)于(yu)(yu)精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)的(de)(de)(de)(de)光(guang)(guang)(guang)固化(hua)(hua)(hua)原(yuan)型(xing)(xing)(xing)(xing)須制(zhi)作成(cheng)空心(xin)狀(zhuang),打(da)印(yin)成(cheng)型(xing)(xing)(xing)(xing)后(hou)將未固化(hua)(hua)(hua)的(de)(de)(de)(de)樹脂(zhi)(zhi)(zhi)倒(dao)出,成(cheng)形中(zhong)空模(mo)(mo)(mo)(mo)(mo)樣,將樹脂(zhi)(zhi)(zhi)排出口密(mi)(mi)(mi)封,然后(hou)裝(zhuang)上蠟(la)(la)質(zhi)澆注系(xi)統,就(jiu)可(ke)(ke)制(zhi)殼了(le)。抽空的(de)(de)(de)(de)原(yuan)型(xing)(xing)(xing)(xing)壁厚(hou)的(de)(de)(de)(de)可(ke)(ke)制(zhi)作成(cheng)0.6mm薄片狀(zhuang)態(tai),燒制(zhi)時(shi)(shi)(shi)(shi)揮發(fa)(fa)氣化(hua)(hua)(hua),可(ke)(ke)完全達(da)到無雜(za)質(zhi)狀(zhuang)態(tai)。是(shi)(shi)一(yi)(yi)種(zhong)理(li)想的(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)生(sheng)產工(gong)(gong)藝(yi),適用(yong)(yong)(yong)(yong)于(yu)(yu)高(gao)(gao)強度(du),大(da)尺(chi)寸,高(gao)(gao)精(jing)(jing)密(mi)(mi)(mi)度(du)的(de)(de)(de)(de)零(ling)(ling)(ling)件(jian)(jian)(jian)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)生(sheng)產。SLA光(guang)(guang)(guang)固化(hua)(hua)(hua)3D打(da)印(yin)技(ji)(ji)術(shu)(shu)(shu)(shu)在(zai)精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)應用(yong)(yong)(yong)(yong)中(zhong)優1.讓精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)生(sheng)產更(geng)加靈活,適應性更(geng)強,更(geng)適應現(xian)(xian)代(dai)工(gong)(gong)業對鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)快(kuai)(kuai)(kuai)速、優質(zhi)、復(fu)雜(za)的(de)(de)(de)(de)要求。2.在(zai)精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)結(jie)(jie)(jie)構(gou)(gou)(gou)設(she)(she)(she)(she)(she)計(ji)(ji)及工(gong)(gong)藝(yi)制(zhi)定(ding)(ding)中(zhong)的(de)(de)(de)(de)應用(yong)(yong)(yong)(yong),為技(ji)(ji)術(shu)(shu)(shu)(shu)人員設(she)(she)(she)(she)(she)計(ji)(ji)較合(he)理(li)的(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)結(jie)(jie)(jie)構(gou)(gou)(gou)和確定(ding)(ding)合(he)理(li)的(de)(de)(de)(de)工(gong)(gong)藝(yi)方案提(ti)供(gong)了(le)有效的(de)(de)(de)(de)依據。3.免去了(le)制(zhi)作模(mo)(mo)(mo)(mo)(mo)具(ju)和蠟(la)(la)型(xing)(xing)(xing)(xing)的(de)(de)(de)(de)工(gong)(gong)序,使制(zhi)造(zao)(zao)(zao)(zao)(zao)周期得(de)以大(da)大(da)縮短。4.可(ke)(ke)以生(sheng)產出任(ren)意結(jie)(jie)(jie)構(gou)(gou)(gou)復(fu)雜(za)的(de)(de)(de)(de)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian),且質(zhi)量好,精(jing)(jing)度(du)高(gao)(gao)。5.成(cheng)本(ben)相對低(di)、設(she)(she)(she)(she)(she)計(ji)(ji)靈活、清潔環(huan)保、適合(he)復(fu)雜(za)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)等特點,符合(he)新世(shi)紀(ji)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)技(ji)(ji)術(shu)(shu)(shu)(shu)發(fa)(fa)展(zhan)(zhan)的(de)(de)(de)(de)總(zong)趨勢,有著(zhu)廣闊的(de)(de)(de)(de)發(fa)(fa)展(zhan)(zhan)前景。什么時(shi)(shi)(shi)(shi)候用(yong)(yong)(yong)(yong)SLA快(kuai)(kuai)(kuai)速精(jing)(jing)密(mi)(mi)(mi)鑄(zhu)(zhu)(zhu)(zhu)造(zao)(zao)(zao)(zao)(zao)?- 當(dang)設(she)(she)(she)(she)(she)計(ji)(ji)還(huan)沒有最終定(ding)(ding)型(xing)(xing)(xing)(xing),用(yong)(yong)(yong)(yong)于(yu)(yu)工(gong)(gong)藝(yi)設(she)(she)(she)(she)(she)計(ji)(ji)優化(hua)(hua)(hua)- 當(dang)交貨時(shi)(shi)(shi)(shi)間(jian)很緊的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)候- 當(dang)數量太小(xiao)(50件(jian)(jian)(jian)以內),不適合(he)開(kai)模(mo)(mo)(mo)(mo)(mo)具(ju)的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)候- 當(dang)零(ling)(ling)(ling)件(jian)(jian)(jian)結(jie)(jie)(jie)構(gou)(gou)(gou)特殊,無法(fa)開(kai)模(mo)(mo)(mo)(mo)(mo)具(ju)的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)候,一(yi)(yi)般用(yong)(yong)(yong)(yong)于(yu)(yu)輕量化(hua)(hua)(hua)、異形曲(qu)面結(jie)(jie)(jie)構(gou)(gou)(gou)件(jian)(jian)(jian)- 當(dang)需要測試零(ling)(ling)(ling)件(jian)(jian)(jian)來證明概念的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)候