Kana iwe ukakumbira mumwe munhu kuti atsanangure kukanda kwekudyara, iwe unowanzo kuwana mutsara webhuku: inzira chaiyo yekukanda maitiro uchishandisa ganda receramic. Izvozvo hazvina kuipa, asi zvakafanana nokutsanangura motokari semotokari ine mavhiri mana—inopotsa pfungwa yose yezvinoita kuti iite chikwekwe. Munyika chaiyo, kunyanya mushure memakumi matatu emakore emutambo uyu, tsananguro iri mune zvakadzama, zvibvumirano, uye kugadzirisa matambudziko kwainoda. Hazvisi zvekungogadzira zvimiro zvakaoma; ndezve kugadzirisa mhirizhonga yekuwedzera kwemafuta, gating dhizaini dzinotyisa, uye hondo yekusingaperi kurwisa hurema hwepasi. Vazhinji vanofunga kuti ndezvenzvimbo dzemuchadenga chete, asi iyo ipfungwa isiriyo. Ndakaona ichishandiswa kune zvese kubva kune yakapusa pombi impeller kune yekurapa yekumisikidza uko pore imwechete inogona kureva kutadza.
Iyo Yepakati Yekuita: Wax, Shell, Dururira
Ngatitangei nemabasics sezvazvinoitika pasi. Mwoyo wekukanda mari ndeye wakisi pateni. Zvinonzwika zviri nyore, asi musanganiswa wewakisi pachawo isainzi yemuridzi. Kunyanya kupfava, uye kunokanganisa panguva yekubata; yakanyanya brittle, uye inotsemuka paunenge uchiedza kuunganidza muti wakaoma. Kuchitoro chedu, tapedza makore tichigadzirisa izvi. Iwe unobaya wakisi mualuminium mold-inowanzo gadzirwa kuburikidza neCNC machining kuitira kunyatsoita-kugadzira mufananidzo wechikamu chekupedzisira. Zvadaro, iwe nemaoko kana marobhoti weld mapatani aya pane yepakati wakisi sprue kuita muti. Danho iri rakakosha zvine hunyengeri. Iyo kona uye junction dhizaini pano inoraira kuyerera kwesimbi gare gare. Ita zvisizvo, uye iwe uchave nemhirizhonga inokwevera inclusions mukukanda kana kugadzira inotonhora inovhara.
Chikamu chinotevera ndechekugadzira ganda receramic. Apa ndipo panobva izwi rekuti investimendi - iwe urikudyara pateni nechinhu chinoramba. Iyo dip-and-dunk process: kutanga yakanaka zirconia kana alumina slurry, kozoti yakakora stucco ye fused silica kana mullite. Iwe unodzokorora izvi 6 kusvika ku9 nguva, kuomesa pakati pejasi. Hunyanzvi haungori mukudzokorora; zviri mukutonga slurry viscosity zuva nezuva. Humidity inokanganisa. Tembiricha inoikanganisa. Kana bhachi rekutanga rakanyanya kutetepa, kupinza kwesimbi kunoparadza kupera kwepamusoro. Yakanyanya kukora, uye inogona kubata magasi kana kutsemuka panguva yekubvisa waxing. Ndinorangarira batch yemamwe simbi isina simbi mavharuvhu kwatakamhanyisa kuomesa. Goko racho rairatidzika kunge rakakwana, asi panguva ye autoclave dewax, chiutsi chaisakwanisa kubuda nekukasira kuburikidza nebhachi gobvu remukati. Mabhomba akaputika kubva mukati memhepo. Kurasikirwa zvachose. Ndicho chokwadi-tsanangudzo inosanganisira aya mapoinzi ekukundikana.
Mushure mekudonha uye kupfura, iwe unosara uine gomo, preheated ceramic mold. Kudira hunyanzvi hwayo. Zvemidziyo yakaita senickel-based alloys kana cobalt-based alloys, yatinogara tichibata, uri kusangana nekupisa kwakanyanya kwekudurura uye nekukurumidza kusimba. Haungodire; unofanira kudzora thermal gradient. Dururira zvishoma nezvishoma, uye simbi inotonhora isati yazadza zvikamu zvitete. Dururira nekukasira, uye unobvisa iyo isina kusimba yeceramic yemukati, uchiunza hurema hwakaita sejecha. Iyo mold ichiri kutenderera 1000 ° C kana simbi yakanyunguduka ichirova. Iko kuvhunduka kwekushisa inguva inotsanangura-chaizvoizvo. Kudururwa kwakabudirira kunoguma nepedyo-neti-chimiro chikamu, asi tsananguro yekubudirira kuve neyakakwana muganho mudhizaini yekubvumidza inotevera CNC machining kurova zvakasimba kushivirira.
Apo Tsanangudzo Inowana Chaiyo: Matambudziko Ezvinhu
Taura kune chero muvambi veteran, uye ivo vanokuudza kuti kunyatso tsanangura kuisa mari, iwe unofanirwa kutaura zvinhu. Haisi imwe-saizi-inokodzera-zvese maitiro. Sarudzo yealloy inoraira yega yega parameter kumusoro. Tora 17-4 PH simbi isina tsvina. Ibhiza rebasa rakajairwa, asi rinonzwa nekutonhodza mitengo. Kana kutonhora kwegoko kusingadzoreki, unogona kuwana zvisingadiwe nhanho dzinouraya ma mechanic properties. Zvadaro une superalloys, nickel-based uye cobalt-based. Izvi ndezvenzvimbo dzakanyanyisa - turbine blades, exhaust components. Tsanangudzo yavo yekukandwa yakaoma. Ivo vane nzvimbo dzakanyanya kunyungudika uye dzinowanzo gadzira zvinokuvadza topologically close-packed (TCP) nhanho kana iyo kusimba ikasabatwa zvine hungwaru.
Apa ndipo pane chiitiko trumps theory. Bhuku racho rinogona kuti shandisa kudira kwekutsanya kune zvikamu zvitete. Asi necobalt-based alloy, kudururwa nekukurumidza kunogona kutungamira mukupisa kubvarura nekuti iyo alloy ine chando chakareba. Iwe unofanirwa kuenzanisa kudira kumhanya ne mold preheat tembiricha. Takadzidza izvi pane chirongwa chemutengi wepetrochemical. Chikamu chacho chaive chakaomarara gidhi retsigiro mune nickel-chromium alloy. Kumhanya kwekutanga kwakaguma nemisodzi inopisa mumambure. Mhinduro yakanga isiri mugedhi; yakanga iri kutsigira mold preheat ingangoita 50 ° C kuti igadzire kunyura kwekushisa, ichikurudzira kusimba kwenzira. Iyo gadziriso haisati iri mune yekutanga tsananguro, asi ndiyo musimboti wehunyanzvi.
Uye ngatisakanganwe ferrous zvinhu senge kabhoni uye alloy simbi. Vanonyanya kuregerera pane shrinkage asi vanogona kuita hutsinye pagoko. Kupisa kwakanyanya kunogona kukonzera simbi-shell reaction, zvichitungamira kune yakaoma, ine magirazi kuremara inonzi metal penetration. Kuti urwise izvi, kuumbwa kwejasi rekutanga slurry kwakakosha-kazhinji kunoda akasarudzika mafirita kana ekuwedzera. Iyo nhaurirano yenguva dzose pakati peiyo sainzi yezvinhu uye muvambi injiniya. Kana tichiti tinoita hunyanzvi muzvinhu izvi kuQSY, zvinoreva kuti takavaka raibhurari yeaya akajeka, ekugadzirisa maitiro ekubika kwemakore makumi matatu. Haisi mutsara wekutengesa; ibhuku rezvinyorwa zvematambudziko akagadziriswa.
Iyo Machining Handshake: Kubva Kukandira kusvika Yakapedzwa Chikamu
Hapana tsananguro yekudyara kwekudyara inokwana pasina kukurukura zvinoitika mushure mekunge goko rabviswa. Iwe wasara nekukanda kune magedhi nevamhanyi vakasungirirwa, uye mamwe mapeji anoda machining. Ichi ndicho chidimbu chakakosha. Vimbiso yekudyara kwekudyara iri pedyo-neti chimiro, asi padyo inguva inoshanduka. Kune hydraulic manifold, iwe unogona kunge uine yakakosha kushivirira mukati me 0.05mm. The casting process chete haigone kubata izvozvo. Apa ndipo panoratidzwa zvivakwa zvakabatanidzwa, seizvo zvatakavaka kuQingdao Qiangsenyuan Technology Co., Ltd. (QSY). Kuve neCNC machining mukati-mumba haisi nyore chete; ihwo hutano hwekugadzirisa maitiro.
Iwo machinists anofanirwa kunzwisisa kukanda. Ivo vanofanirwa kuziva kuti panogona kunge paine shrinkage porosity (kazhinji padyo nenzvimbo dzekupedzisira-ku-chando) kudzivirira kurovera chishandiso mairi. Vanofanira kunzwisisa stock allowance. Isu tinowanzosiya 0.5mm kusvika 2mm panzvimbo dzakakomba, asi izvo zvinoenderana nechikamu geometry uye alloy. Chikamu chakatetepa-chakakomberedzwa chesimbi chinogona kukanganisa zvakanyanya panguva yekutonhodza, ichida yakawanda stock. Vagadziri veCNC uye mainjiniya ekutanga vanofanirwa kutaura mutauro mumwechete. Ndakaona mapurojekiti achitadza nekuti kukanda kwakagadzirwa pasina chero pfungwa yekugadzira machining, zvichikonzera isingabatike, inodedera hope pamubhedha weCNC.
Iyi synergy ndosaka vatengi vazhinji, kunyanya avo vari muzvikamu zvakaita sesimba kana maindasitiri emuchina, vachitsvaga chitoro chimwe chete. Ivo havangodi mupi anogona kutsanangura kuisa mari; vanoda mumwe anogona kuendesa chikamu chakapedzwa, chinoshanda. Vanotitumira chinyorwa chepombi yekugara mu duplex simbi isina tsvina. Isu tinomhanyisa simulation yekusimbisa, kugadzira wax mold, kuikanda, kupisa-kuibata kuti irambe corrosion, tobva tagadzira zviso zveflange nemabhoti mabhoti panzvimbo dzedu dzeCNC. Chirevo chekupedzisira chekuongorora chinonongedza zvese kukanda kutendeseka (X-ray) uye michini mipimo (CMM). Ndiyo tsanangudzo yakazara, inoshanda.
Dzakajairwa Pitfalls uye Iyo Inenge Yakarurama Musungo
Imwe yedzakanakisa nzira dzekunzwisisa chimwe chinhu ndeyekuona painotsemuka. Chikamu chikuru chebasa rangu chave chekufa-maturu pane zvakakandwa zvisina kuita spec. Gomba rinogara richiitika kuri kuomesa gating system. Mukuedza kuve nechokwadi chekudyisa kwakakwana, mainjiniya dzimwe nguva vanogadzira mabhawa makuru, akavhiringika evamhanyi. Izvi zvinowedzera huwandu hwesimbi inodiwa, mutengo wegoko, uye nguva yekuchenesa. Zvakaipisisa, zvinogona kugadzira nzvimbo dzinopisa dzinotungamirira kune shrinkage kukanganisa muchikamu chacho pachayo. Dzimwe nguva, iyo yakapfava yakatwasuka geji kubva pane inorema zvakanyanya ndiyo yakanyanya kunaka. Kudanwa kwekutongwa, uye unongovandudza kutonga ikoko nekuona kukundikana.
Imwe musungo ndeyekutora zvese Investment casting ndeyepamusoro-chaizvo. Iyo inogoneka kushivirira ibasa rechikamu saizi, alloy, uye process control. Kune diki, yakagadzikana alloy chikamu, ± 0.13mm pa25mm inonzwisisika. Asi kune furemu hombe musimbi yekabhoni, unogona kunge uchitarisa ± 0.5mm kana kupfuura nekuda kwekusafungidzika kushomeka. Kuvimbisa zvakawandisa padanho rekutaura ndiyo nzira yenjodzi. Ndaifanira kugara nekutengesa uye kutsanangura kuti nekuda kwekuti tinogona kubata kushivirira pamusoro pegolf-club head hazvirevi kuti tinogona pane 20kg valve body. Tsanangudzo yemaitiro ine yakavakirwa-mukati musiyano.
Pamusoro pekupedzisira zvinotarisirwa zvinodawo kutonga. Iyo se-yakandwa pamusoro kubva kune yakanaka ceramic goko inogona kutsetseka, yakatenderedza 3.2 μm Ra. Asi iyo haisi girazi rakakwenenzverwa kupera. Kana mutengi achida girazi remvura inoyerera application, ndiko kuita kwechipiri kukwenenzverwa. Nyaya iripo ndeyokuti, nzira yacho ine painogumira. Simba rayo repamusoro kuomarara uye kuchinjika kwezvinhu, kwete hazvo kuwana iyo yakanakisa kupedzisa kana kushivirira kwakasimba pachezvayo. Icho chikamu chekugadzira ecosystem.
Kutarisira Mberi: The Evolving Definition
Saka, kutenderera kumashure uye kuyedza kutsanangura kukanda kwekudyara nenzira inoratidza uriri hwewekishopu, ndeichi: kunyatsoita, pateni-yakavakirwa kukanda maitiro ayo kubudirira kunoenderana nekudyidzana kunodzorwa kwechibairo chewakisi modhi, akaturikidzana ceramic goko, uye simbi yakanyungudutswa, ine kukosha kwayo kwakazara kunoonekwa chete kana yakabatanidzwa neanofungisisa magadzirirwo uye post-kukanda maitiro senge kupisa kupisa uye machining. Iketani, uye chinongedzo chese-kubva kujekiseni rewakisi kusvika kuQC yekupedzisira-chinofanirwa kubata.
Tsanangudzo haina kumira mushe. Nekuuya kwe 3D kudhinda kune yakananga wakisi kana kunyange ceramic mold kugadzira, miganhu iri kudzima. Isu tinogona ikozvino kugadzira imwe-kure mapatani eprototypes pasina tooling, inova shanduko yekusimudzira kutenderera. Asi iyo yepakati fizikisi - kutamisa kupisa, kusimba, simbi - zvinoramba zvakafanana. Zvishandiso zvitsva zvinongotiita kuti tikunde nekukurumidza uye tidzidze nekukurumidza.
Kune kambani yakaita seQSY, ine makumi emakore pasi pebhandi rayo, tsananguro iri zvakare mune yakaunganidzwa ruzivo. Iri mubhainda remabikirwo ane slurry, dhatabhesi yekumisikidza yekumisikidza yemhuri dzakasiyana dzezvikamu, uye maziso ane hunyanzvi emushandisi anogona kutarisa goko rakadhindwa uye kuziva kana richinzwika. Unogona kuwana tsananguro yekutanga chero kupi. Asi iyo chaiyo, yakashata, inonzwisisika kunzwisisa-iyo inoshandura dhirowa kuita chinhu chakavimbika, chepamusoro-soro musimbi yakakandwa, simbi, kana imwe nickel-based alloy-ndicho chinhu chaunowana chete kubva mukuchiita, zuva nezuva, uye kudzidza kubva kune yega yega, yakanaka uye yakaipa. Ndiyo mari, kunze kwekukanda.
