Paunonzwa 'chaizvoizvo mugadziri wekudyara mari,' pfungwa zhinji dzinosvetuka dzakananga kune dzakasimba kushivirira uye yakaoma geometries. Ndizvozvo, asi ndimo zvakare mune gomba guru rekutanga. Dambudziko chairo harisi kungowana nhamba padhirowa; iri kuvachengeta nguva dzose pakugadzirwa kwechigadzirwa uku uchigadzirisa zvinosiyana-siyana zvisingamboonekwi nevatengi-sewax blend viscosity kubva pabatch kuenda pabatch, kana kuti hunyoro hwenzvimbo musi weChipiri masikati hunogona kukanganisa kuoma kwegomba receramic. Vatengi vazhinji vanotenga zvichibva pane yakanyorwa kugona, toti, ± 0.005 inches, pasina kubvunza nezve maitiro ekudzora maitiro anouburitsa. Ndiko uko kuparadzaniswa chaiko pakati pezvitoro zvebasa nevagadziri vechokwadi kunoitika.
Nheyo: Inotanga Pamberi peWakisi
Iwe haugone kutaura nezve chaiyo pasina kutaura nezve pateni. Vazhinji vatsva kumunda vanofungidzira kuti mashiripiti anoitika muchoto. Mune ruzivo rwangu, pamusoro pe60% yezvingangoitika dimensional zvikanganiso zvakavharirwa mukati mekushandisa uye jekiseni rewakisi. Kana mold isina kunaka, unenge uchingodzokorora kusakwana nekuvimbika kwepamusoro. Ndakaona mapurojekiti apo mutengi akapa yakanaka, yakagadzirwa aruminiyamu master pateni, asi haana kuverengera kune kaviri shrinkage-kutanga wakisi, kozoti yesimbi. Isu taifanira kuvaka iyo yakawedzera shrinkage mukati medhizaini yedu yekushandisa. Inhaurirano nezve coefficients, kwete kungokopa chimiro.
Apa ndipo pane basa renhoroondo refu. Kambani yakadai Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), nemakore avo 30 ekugadzira nokugadzira, zvichida akavaka ndokudzokorora zviuru zveaya maturusi. Iyo dhatabhesi yemabatiro enyama - sei yakananga simbi isina tsvina giredhi rinodzikira maringe nea nickel-based alloy-hachisi chinhu chaunowana mubhuku. Yakanamirwa mumapepa avo ekugadzirisa. Kushanyira nzvimbo yavo pa tsngtaocnc.com, unowana pfungwa yokudzika ikoko; iri mumaraki akarongwa ezviumbwa zvinonyatsochengetwa, kwete chete michina mitsva inopenya.
Imba yewakisi pachayo inzvimbo inodzorwa nemamiriro ekunze. Tembiricha inoda kudzikama, kwete kungo'gadzikana.' Kuchinja kwemadhigirii mashoma kunogona kushandura maitiro ekuyerera, zvichitungamira kune misiyano midiki muukobvu hwemadziro inongoonekwa mushure mekudirwa kwesimbi. Isu takadzidza izvi nenzira yakaoma pane yekutanga aerospace order ye sensor housings. Zvikamu zvakapfuura kuongororwa kwekutanga, asi zvakakundikana mune imwe nhanho yekusangana nekuda kwekusaenderana mukati membabvu ukobvu. Chikonzero chikuru? Kudhirowa kusingaonekwe pamusuwo wewekishopu kwaive kukonzeresa kudzikama tembiricha pedyo nemuchina wejekiseni. Chakanga chiri chidzidzo chinozvininipisa, chinodhura mukudzora kwezvakatipoteredza.
Iyo Shell: Iko Chemistry Inosangana Nehunyanzvi
Iyo ceramic shell yekuvaka maitiro inowanzotsanangurwa sesainzi. Ndizvo, asi pane yakakosha craft element muslurry room. Kuumbwa kwejasi rekutanga slurry kwakakosha pakupera kwepamusoro, asi iyo stucco application - mashandisirwo ezviyo zvakakasharara, zviyo zvinoramba - zvinokanganisa kugona uye simba. Kunyanya hasha, uye unosimbisa zvinonetsa; kupfava zvakanyanya, uye unowana nzvimbo dzisina simba. Inyanzvi yekubata-bata iyo vashandisi vanovandudza mumakore.
Nguva yekuomesa pakati pejasi chimwe chinhu chakakosha, uye kazhinji chisingatarisirwi. Kuimhanyisa kuti isangane nehurongwa inzira yechokwadi yekuunza kutsemuka kwegoko kana delamination. Izvi zvinokanganisa zvinogona kusakonzeresa chikamu chakaraswa, asi zvinogona kutungamira kune zvimbi zvepamusoro kana hutsinye hushoma hunouraya iyo 'chaiyo' mune post-machining. Ini ndinorangarira batch ye hydraulic valve body patakatarisana zvisinganzwisisike pamusoro pegomba. Mushure mekubvisa mhando yesimbi, takaitsvaga tichidzokera kune nyanzvi itsva yairongedza mapatani akanyikwa padhuze nepadhuze mukamuri yekuomesera, ichitadzisa kuyerera kwemhepo uye kuteya hunyoro mukati mematehwe.
For alloys akafanana cobalt-based kana nickel-based ayo anonyorwa neQSY, ayo anowanzo kudururwa patembiricha yakanyanya, iyo goko yekupisa kwekuvhunduka ndiko kwakakosha. Magadzirirwo apa anogona kusiyana kubva kune anoshandiswa chiyero simbi yakakandwa. Inogona kusanganisira chaiyo zirconia blends. Uku hakusi kushanda kwegoko rimwe chete; zvinhu zvinoraira maitiro.
Kudurura & Kubatanidzwa: Iyo Nguva Yechokwadi
Apa ndipo panoongororwa basa rese rekugadzirira. Chakanaka chekudyara mukana wekudyara ndiko kusimba kwekutungamira-kutonga kuti simbi inotonhora sei kuderedza shrinkage porosity. Hazvisi zvekupisa simbi nekuidira; ndezvekutanga kupisa goko kune imwe tembiricha (iyo inosiyana nealloy), kudzora kumhanya kwekudira, uye dzimwe nguva kunyange kushandisa kutonhora-simbi inoiswa muforoma-kumanikidza kuburitsa kupisa mune yakatarwa kutevedzana.
Kuita izvi zvisiri izvo ne-high-value alloy kukanganisa kunodhura. Isu takambogadzirisa kumhanya kweturbine blades kubva kune proprietary nickel alloy. Metallurgy yainzwika, goko rairatidzika kunge rakakwana, asi isu takanga tine 40% chirahwe mwero kubva mukati me micro-porosity. Nyaya yacho? Tembiricha yegoko rekutanga-kupisa yaive ingangoita 50 ° C yakadzikira zvakanyanya kune iyo imwe alloy's optimal fluidity uye madyiro maitiro. Simbi yacho yaitonhora nekukasira, isingabvumiri zvekusimudza kudyisa kukanda zvakanaka. Kugadzirisa kwaive kugadziridza tembiricha yakapusa, asi kuiongorora kwaida kucheka zvikamu, kuita ongororo yemetallographic, uye yakawanda yekukwenya musoro.
Ichi chikamu chinosimbisa chikonzero nei chakabatanidzwa CNC machining Kugona kwakadai kune musoro, kunenge kuri madikanwa, kuwedzera kune yakakomba Investment casting mugadziri. PaQSY, kuita machining mumba hakusi kwekuwedzera tambo kana kupedzisa chiso. Inobvumira kutenderera kwemhinduro. Iyo machinist inosangana nenzvimbo yakaoma kana isingatarisirwe porosity mune yakatarwa zone yekukandira inogona kufamba yakananga kumashure kune yekutanga pasi. Kukurukurirana ikoko kunobatsira kuona kuti ingave nyaya yekugezera, kushaya simba kwegoko, kana chimwe chinhu chiri mukunyungudika. Inovhara loop yemhando.
Post-Cast: Iwo Anonyengedza Matanho Ari Nyore
Knock-out, cut-off, uye kupisa kurapwa. Aya anonzwika senge nhanho dzechisimba-mushure mekufembera kwekuvaka-ganda uye kudurura, asi dzakatetepa pachadzo. Vibratory shell kubviswa kunofanirwa kuve nesimba rakakwana kutyora ceramic asi kwete zvehasha zvinokuvadza zvikamu zvitete zvesimbi-yakasimba. Ndakaona madhirigi akanaka, akaomesesa achipwanyika nekukasira kugogodza-kunze maitiro.
Kurapa kwekupisa ndiyo yakasarudzika, kunyanya nezvinhu zvepamberi. Simbi yesimbi yakajairwa ingangoda kurerutswa kwekushushikana. Kunaya-kuomesa simbi isina tsvina kana simbi yemudziyo inoda kutenderera chaiko kwekudziya, kunyura, uye kutonhodza kuti uwane zvakatsanangurwa zvemakanika. Kana kukanda kuchizove chinhu chinoshanda chinotakura mutoro, nhanho iyi yakakosha sekukanda kwayo. Ndiyo imwe nharaunda iyo makumi emakore echiitiko, semakumi matatu emakore eQSY, anobhadhara - ivo vangangove vakagadzira uye vakasimbisa kupisa kupisa mapuroteni kune yakakura matrix yealloy specs.
Iyi ndiyo zvakare nhanho apo kuongorora kwekutanga kunoitika. Chekutanga chinyorwa chekuongorora chinopedza simba, kazhinji chinosanganisira CMM (Coordinate Measuring Machine) kuona ese akakosha mativi achipokana neiyo 3D modhi. Asi iyo chaiyo bvunzo iri-in-process yekuongorora panguva yekugadzira. Unoita sei sampuli? Ndeipi AQL yako (Inogamuchirwa Hunhu Level)? Mugadziri akakodzera munyu wake achava nehurongwa hwakajeka, hwehuwandu hwehuwandu, kwete kungovimbisa 'kutarisa zvishoma.'
Iko Kunyatsojeka: Kuenderana & Kukurukurirana
Saka, chii chinonyatso tsanangura a kunyatsoita mari yekukanda mugadziri? Haisi iyo imwechete, yakakwana prototype chikamu. Iko kugona kuendesa chikamu che500 mukumhanya kusingazivikanwe kubva kune wekutanga uye makumi mashanu. Kusawirirana ikoko chibereko chemaitiro anodzorwa, akanyorwa, uye akadzama anonzwisiswa padanho rega rega-kubva wakisi kusvika pakuongorora kwekupedzisira.
Imwe hafu ndeyekukurukurirana. Mapurojekiti akanakisa andakabatanidzwa maari airatidza nhaurirano yakavhurika nemainjiniya emutengi. Dzimwe nguva, diki dhizaini tweak-kuwedzera radius, kugadzirisa madziro ukobvu gradient-inogona kuita kuti chikamu chiwedzere kukandarika pasina kukanganisa basa rayo, nekudaro ichivandudza goho uye kuvimbika. Mugadziri anoshanda seanorodha-kutora haape izvo. Mumwe ari mudiwa achada. Tichitarisa QSY's yakabatanidzwa modhi ye shell mold casting, Investment casting, uye machining, zvinoratidza kuti vakarongeka kuti vave nemaonero akazara ekugadzira chikamu, vanokwanisa kupa mazano pamusoro penzira yakanakisa kubva kupfungwa kuenda kune yapera chikamu.
Pakupedzisira, kunyatsoita tsika, kwete kugadzika kwemuchina. Mushandisi ndiye anoona wakisi inoratidzika zvakasiyana nhasi, metallurgist uyo anobvunza nezvechati yekupisa kupisa, uye maneja wemhando anoomerera pakuongorora-chikonzero chechinhu chimwe chete. Paunenge uchiongorora mugadziri, tarisa kunze kwekugona kwebhurocha. Bvunza nezve mapoinzi avo ekudzora maitiro, maitiro avo ekutadza kuongorora, uye kuti yavo yekutanga uye yemuchina chitoro zvinotaurirana sei. Ndiko kwaunowana kurongeka chaiko.
