Ukanzwa 'kukurumidza kuisa mari', vazhinji vanofunga kuti ingori yekurova 'nekukurumidza' pane yekare yakarasika-wakisi maitiro. Ndiro gomba rekutanga. Kukurumidza kwechokwadi pano hakusi kungoita kutenderera nguva; ihurongwa hwekufungazve kwekugadzirwa kwepateni, kukanda makombora, uye kudonhedza waxi, zvese uchibatirira pakuvimbika kwedimensional kunoita kuti kuisa mari kunokosha. Zvitoro zvakawanda zvinozvitaura, asi musiyano uripo pakati pekutora uye kuendesa ndipo panoitika basa chairo — uye kukundikana kunonakidza kunoitika.
The Core Kusanzwisisa: Kukurumidza vs. Kuvimbika
Chikanganiso chikuru chandinoona fungidziro yekuti unogona kungomhanyisa maitiro echinyakare. Iwe haugone. Kudira mari mumaprinta e3D anokurumidza kuita mapeteni chinhu chimwe chete, asi kana chirongwa chako chekuvaka ganda chikatadza kuenderera, kana kutenderera kwako kwekutsva kuchisagadzikana, uchangobva kugadzira bhodhoro rinodhura. Iyo 'yekukurumidza' chikamu chinofanirwa kugadzirwa mumatanho ese, uye iyo engineering haigone kutaurirana. Chiyero, chinogara chiri chiyereso, pakati pekupisa kwemagetsi ezvitsva slurry maumbirwo uye simba remuchina rinodiwa pakubata.
Semuenzaniso, isu takamboedza kutora itsva UV-inorapika pateni zvinhu izvo zvakavimbisa kudzikiswa ne60% panguva yekugadzira maitiro. Speed yacho yaive chaiyo. Dambudziko rakabuda panguva ye autoclave dewaxing. Iyo yakasiyana-siyana yekuwedzera kwemafuta coefficient kana ichienzaniswa neyakajairwa wakisi yedu yakakonzera madiki-diki mune yekutanga slurry jasi, zvichitungamira kune makumi mana% kutadza kwegoko mubatch yekutanga yekuyedza. Ndiyo mhando 'yekukurumidza' iyo inokudyira nguva yakawanda nemari. Zvakatimanikidza kudzokera kuLab kuti tigadzirise slurry's refractoriness uye binder ratio yakanangana nechinhu chitsva ichocho. Mhinduro yakanga isiri yepasi rose; chaive chigadziriso chakagadzirirwa.
Apa ndipo apo chiitiko chenguva refu chekushanda chinova chakakosha. Kambani yakadai Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), nehwaro hwavo hwemakore 30 mukati shell mold casting uye Investment casting, ingangove yakaona aya matenderedzwa ekuvandudza uye kudzoreredza. Iyo ndangariro yemasangano pamabatiro anoita zvinhu pasi pekunetsekana ndiyo inodzivirira kumhanyisa kweupofu mune yega yega mhinduro 'yekukurumidza'. Iwe unogona kuwana zvimwe nezve nzira yavo pane yavo saiti, tsngtaocnc.com. Kuziva kwavo simbi yakakandwa kune nickel-based alloys inoratidza kuti vanonzwisisa kuti 'nekukurumidza' paramita yesimbi isina tsvina haishande kune cobalt-based alloy. Ndiyo nuance.
Iyo Pateni Revolution: Kupfuura 3D Kudhinda
Hongu, 3D kudhinda, kunyanya stereolithography (SLA) kana binder jetting, ndiyo suwo revakawanda mukukurumidza prototyping yekukandira. Asi kubata iyo yakadhindwa pateni seyakananga wakisi inotsiva ikanganiso yerookie. Iyo yepamusoro pekupedzisira, madota emukati mushure mekuneta, uye akasara mapolymers ese anopindirana neceramic shell zvakasiyana. Iwe unowanzoda chechipiri chekuputira kana yakagadziridzwa yekutanga slurry dip kuti usimbise pamusoro. Isu takadzidza kumhanyisa mabheji madiki ekusimbisa-dzimwe nguva aingova gumi nemaviri magomba - kufona mukuita kwechinhu chitsva chemaitiro kana jiometri tisati taenda kumutambo wekugadzira.
Iko 'kukurumidza' kufambira mberi, mukuona kwangu, kuri munzira dzakasanganiswa. Uchishandisa 3D kudhinda kugadzira master mapatani esilicone chishandiso, kubva kwaunogona kubva wabaya akawanda wakisi kana soluble patani makopi. Izvi zvinovhara mukaha uripo pakati peimwe-yepamusoro prototype kumhanya uye kudiwa kwediki-batch kugadzirwa kunoenderana. Iyo ishoma kupfuura yedhijitari kuyerera, asi inowanzovimbika uye inodhura-inoshanda kune inomhanya ye20-50 zvidimbu.
Ini ndinorangarira chirongwa che turbine chikamu mukati simbi uko mutengi aida makumi matatu anoshanda prototypes einjini yekuyedza. Akachena 3D-akadhindwa mapatani angadai akadhura zvakanyanya. Takadhinda tenzi, takagadzira kukurumidza-kutendeuka urethane mold, uye jekiseni yakaderera-melt-point alloy pateni. Yakawedzera vhiki kumberi-kumagumo asi yakachengetedza ingangoita mavhiki matatu mune imwe-chikamu pateni patani nguva yekudhinda uye yakatipa humwe hunoenderana hwekuvaka-makoko maitiro. Mabhomba akabatwa, makanda ainzwika, uye mutengi akawana bvunzo yavo panguva yakatarwa. Ndiyo inoshanda yekukurumidza kuisa mari.
Kuvaka Shell: Iyo Make-kana-Break Phase
Apa ndipo apo maitiro anogona kuwana kuvimba kana kuparara. Kuomesa nekukasira kunoyedza — kushandisa mhepo yekumanikidzira, dehumidifiers, kana kutodziya zvishoma. Asi ukurumidze, uye iwe unoteya unyoro kana kugadzira asina kusimba laminations pakati pejasi. Goko rinogona kutaridzika zvakanaka kudzamara rarova choto, robva rakundikana zvine njodzi. Taenda kumakamuri enzvimbo anodzorwa ane hunyoro chaihwo uye tembiricha yekutarisa. Zvinonzwika sechinhu chakakosha, asi kudzora uku kunotitendera kufanotaura kupfupisa nguva dzekuomeswa kwejasi ne20-30% pasina kukanganisa kuvimbika. Haisi kupenya, asi inoshanda.
Sarudzo yestucco-jecha refractory rinoshandiswa pakati pe slurry dips-ndiye imwe lever yakavanzika. Iyo yakakora, yakawedzera angular stucco inogona kuvaka goko gobvu nekukurumidza, ichidzikisa huwandu hwemajasi anodiwa kune ukobvu hwakapihwa. Asi inogonawo kugadzira rougher yemukati pamusoro pekukanda. Kune chimwe chikamu chinoda kupera kwakanaka kwepamusoro, unogona kunamatira netsvina yakatsetseka uye kugamuchira mamwe mabhachi. Hapana kudya kwemasikati kwemahara; sarudzo yega yega inochengetedza nguva ine kutengeserana pane imwe hunhu.
Kune ma alloys akaoma, senge nickel-based alloys QSY inoshanda nayo, iyo shell chemistry pachayo ndiyo yakakosha. Deko rinofanirwa kutsungirira tembiricha yekudira yepamusoro pasina kuita nesimbi yakanyungudutswa. Iyo 'yekukurumidza' maitiro anoshandisa yakajairwa goko kuumbwa kwekabhoni simbi inokundikana zvachose ne superalloy. Iyo shell inogona kupfava kana kugadzira inclusions. Saka, iyo 'yekukurumidza' nzira inofanirwa kuve yakanangana nealloy. Basa ravo renguva refu mune alloys akakosha, sezvakacherechedzwa mune yavo kambani profiles, zvinoreva kuti vakafanirwa kugadzira (uye pamwe kudzivirira) evaridzi magomba masisitimu ezvishandiso izvi.
Dewaxing uye Kupisa: Iyo Thermal Gauntlet
Iri ndiro danho rinonyanya kukosha. Traditional steam autoclaving inoshanda asi inogona kunonoka kune akakora mapatani. Flash dewaxing muchoto chepamusoro-soro inokurumidza asi inokonzeresa kutyisa kukuru pagoko. Takave nemateko akaputika chaizvo apo wakisi yakawedzera nekukurumidza. Kukanganisika kwatakagadzirisa inzira yezvinhanho-mbiri: kutenderera kupfupi, kudzika-kudzvanya autoclave kutenderera kubvisa huwandu hwewakisi, kuchiteverwa nekupisa kunodzorwa kwechoto kubvisa zvakasara uye kunyudza goko. Haisiyo nzira inokurumidza kukurumidza, asi inoburitsa chiyero chepamusoro-soro chekupona kweiyo yakaoma geometries.
Iyo yekupisa kutenderera ndiyo imwe nzvimbo yakaibva kuti iite optimization. Chinangwa ndechekubvisa zvese zvakasara pateni pasina kunyanya-kusimbisa ceramic. Thermocouples akaiswa mukati me dummy shells anobatsira mepu iyo inopisa gradient. Nekuongorora iyi data, takakwanisa kugadzira zvikamu zvinokurumidza kukwidza munzvimbo dzetembiricha umo goko rinonyanya kugadzikana, uye kudzikira kuburikidza nenhanho dzekuchinja. Yakaveura inenge 25% kubva panguva yedu yese yevira. Iyo imhando inofambiswa nedata ye 'nekukurumidza', kwete fungidziro.
Kutadza pano kunodhura. Goko rakatsemuka rawanikwa mushure mekuneta zvinoreva kuti warasa nguva yese uye mutengo wakaiswa kusvika panguva iyoyo — pateni, slurry, kushanda nesimba. Ndosaka iyo 'yekukurumidza' pfungwa inofanirwa kusanganisira yakasimba nzira yekusimbisa. Iwe unomhanyisa nhanho dzaunokwanisa kudzora uye kuyera, uye unosiya mabuffer pane njodzi dzakakwirira.
Machining Integration: The Critical Finish
Kurumidza kukanda mari yekudyara hakuitwe kana chikamu chazunguzwa kubva mugoko. Iyo as-cast state inenge inogara ichida zvimwe CNC machining-kuchera, kukuya zviso zvakakosha, kupinza. Apa ndipo panodambuka ketani 'yekukurumidza' zvakare kana iyo yekukanda isina kugadzirwa yekugadzira (DFM) kubva pakutanga. Kana iwe ukachengeta mavhiki maviri pakukanda asi wozoda mavhiki matatu eakaomesesa, akawanda-axis machining nekuda kwekushata kwenzvimbo dzedhamu kana zvisingasvikike, warasa mujaho.
Kubatana kwepedyo pakati peiyo foundry uye shopu yemuchina kwakakosha. Pakushanda kwakabatanidzwa seQSY, uko kukanda uye CNC machining ari pasi pemba imwe chete, handoff iyi inofanira kunge isina musono. Ivo vanogona kugadzira maitiro ekukanda aine machining zvigadziriso mupfungwa, kuwedzera mashoma stock munzvimbo dzakakodzera, uye shuwa kuti alloy's machinability inotariswa. Semuenzaniso, imwe giredhi re simbi isina tsvina inogona kukanda zvinoyevedza asi ive inotyisa kumushini kana kurapwa kwekupisa kukasagadziriswa nemazvo mushure mekukanda. Mupi akabatanidzwa anobata iyo inoenderera.
Iwo akabudirira kukurumidza mapurojekiti ini ndanga ndiri chikamu chekugara ndichibatanidza machinists mukutanga dhizaini ongororo. Vaizonongedza diki dhizaini shanduko inobvumidza kuti iite nyore, kana kupa zano rekutamisa mutsara wekuparadzanisa kuti ugadzire dhamu rakachena. Hurukuro idzo, dziri kuitika kumberi, ndidzo dzinoita kuti pombi yese — kubva padhijitari modhi kusvika pakupera, yakadhindwa chikamu - inokurumidza uye yakavimbika.
Mhedziso: Ihwo Uzivi, Kwete Bhatani
Saka, shure kwezvose izvi, chii kukurumidza kuisa mari? Haisi imwe tekinoroji yaunotenga. Ihwo huzivi hwekubatanidzwa kwekuita optimization, inotsigirwa neruzivo rwezvinhu zvakadzika uye kuda kumhanya kunodzorwa kuyedza (uye kugamuchira kumwe kukundikana). Zviri pamusoro pekuziva paunogona kusundira uye paunofanira kuva nemoyo murefu. Ndiwo mutsauko uripo pakati pechitoro chinongogadzira castings uye imwe inopa enjiniya mhinduro pasi pekumanikidzwa kwenguva.
Makambani anoita izvi nemazvo, iwo ane makumi emakore erekodhi rekodhi pane akasiyana zvinhu zvakadai simbi yakakandwa uye alloys akakosha, awana kumhanya kwawo. Vakazvivaka kuburikidza neruzivo rwakaunganidzirwa, dzimwe nguva runorwadza. Vakadzidza kuti kukurumidza kwechokwadi ndekwekudzikisira nguva yekutungamira kuchikamu chinoshanda, chinokwanisa, kwete chete maawa anopedzwa nesimbi mukuumbwa. Ndicho chinangwa chaicho, uye chakanyanya kuoma-uye chinonakidza-kupfuura zvinonzwika.
