Paunonzwa 'chaiyo yekukandira yezvishandiso zvekurapa', iwo mufananidzo wepakarepo kazhinji weasina chikanganiso, asina kuchena ezvikamu zvinobuda pamutsetse wekugadzira. Ndiyo gloss yekushambadzira. Chokwadi, kubva kwandakamira kwemakore, kutamba kunotyisa pakati pesimbi, geometry, uye zvisingaregereri zvinodikanwa zvemuviri wemunhu. Pfungwa isiriyo yakajairika ndeyekuti ingori kuita zvinhu zvidiki uye kupenya. Hazvisizvo. Zviri zvekufanofungidzira kuita munzvimbo umo kutadza kusiri sarudzo, uye uko sarudzo pakati, toti, cobalt-chromium alloy uye giredhi chaiyo yekuvhiya simbi isina tsvina inogona kutsamira pane kuneta hupenyu curve inongozviratidza mushure memwedzi yekuedzwa. Ngatitaurei nezve izvo zvinotaridzika chaizvo pauriri hwechitoro.
Nyaya ndiyo Mharidzo
Iwe unotanga ne alloy. Nguva dzose. Kunhonga chinhu chemudziyo wekuvhiya kana chekuisira hakuna kufanana nekusarudza stock yebhuraketi. Pane biocompatibility, chokwadi, asi ndiro tikiti remutambo. Basa chairo riri mumabatiro arinoita panguva uye mushure precision casting. Tora 316LVM isina tsvina. Great corrosion resistance, inoshandiswa zvakanyanya. Asi maitiro ayo ekuyerera panguva yekukandira kwekudyara akasiyana kubva, toti, cobalt-based alloy seCoCrMo. Iyo yekupedzisira ine yakakwirira yekunyungudika uye akasiyana shrinkage maitiro. Kana iwe uchimhanyisa imwechete goko mold uye nekudururira paramita kune ese ari maviri, iwe uri kubvunza dambudziko-mukati porosity mune imwe, inopisa misodzi mune imwe. Ndakaona mapurojekiti achigumburwa pano, achitora imwe-saizi-inokodzera-ese maitiro.
Apa ndipo panodiwa kuziva zvinhu kwenguva refu. Chitoro chinobata zviuru zvekupisa zvakasiyana-siyana zvekurapa-giredhi alloys inovandudza rudzi rweruzivo rwakadzikama. Vanoziva kuti imwe nickel-based alloy inogona kunge iri nyore kuita micro-shrinkage pane mamwe madziro-ukobvu shanduko, chimwe chinhu chakajairwa simulation chinogona kupotsa. Haisi yekungova nechitupa; ndezvekuva nendangariro muhwaro. Makambani anga ari mugobvu nazvo, senge Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), nemakumi matatu emakore ekukandira uye kugadzira, vakadurura zvinhu izvi kuburikidza nekudzokorora kwehunyanzvi. Nhoroondo iyoyo inoshandura zvakananga muzvinyorwa zvishoma zvakakundikana zvekutanga.
Iyo post-casting heat treatment ndiyo imwe minefield. Kusununguka kwekushushikana, kurapwa kwemhinduro, kuchembera-zvese zvakakosha kuti uwane iyo yekupedzisira mechaniki zvivakwa. Ita kuti kutenderera kuve kusina kunaka, uye iwe unogona kukanganisa chikamu kana kuparadza kuramba kwayo kwekuora. Ndinoyeuka imwe nyaya ine trauma plate apo kuchembera kwakanyanyisa kwakakonzera kutadza kuneta nguva isati yakwana mukuyedzerwa. Mupari wemhosva? Fungidziro yekuti resipi yealloy yakafanana yaizoshanda. Zvakatora ongororo yakabatana nemetallurgist uye nhanho yekudzokera kune alloy spec's isothermal shanduko dhizaini kuti igadzirise.
Iyo Shell Game: Kupfuura Kungofanana Mold
Investment casting, kana shell mold casting, ndiwo mwoyo weizvi. Iyo wax pateni maitiro akatetepa, asi chivakwa chegoko ndipo panosangana nehunyanzvi hwesainzi. Imwe neimwe slurry dip, yega yega stucco jecha application, inovaka ganda receramic iro rinofanirwa kumira nekupisa kwesimbi yakanyungudutswa uku uchichengetedza kuvimbika. Ukobvu hahuna kufanana; unogona kuivaka yakakora kutenderedza zvikamu zvakakura kudzora kutonhora. Ndapedza maawa ndiine mainjiniya ekuitisa nharo nezve viscosity yejasi rekutanga slurry-yakanyanya kutetepa, uye unoshaya kupera kwepamusoro; yakanyanya kukora, uye unoisa panjodzi yekuteya mweya kana kukonzera kuputika kwegoko panguva yekudonha.
Kubvisa wakisi pachayo idanho rechisimba. Uri kukurumidza kunyunguduka kana kubudisa wakisi kubva mukati megoko risina kusimba. Ita zvisizvo, uye goko rinotsemuka kubva mukushushikana kwemafuta, richiripa risingabatsiri. Mazuva ano autoclave anobatsira, asi iwe uchiri kuda kufona mukudzvanywa uye tembiricha yerenji mareti eiyo chaiyo wax musanganiswa uye goko gobvu. Idanho rinonzwa zvakanyanya sekuputika kunodzorwa pane nzira yekugadzira.
Iyo goko rekupedzisira, mushure mekupfurwa kwepamusoro-tembiricha, iyi inoshamisa isina kusimba, ine porous, asi yakasimba chimiro. Kudira simbi mairi ndiyo nguva yechokwadi. Iyo gating system dhizaini-inowanzo kufuratirwa nevagadziri vakatarisana chete nechikamu-yakakosha. Haisi mugero wesimbi chete; igadziriro yekupisa nekudyisa. Gedhi rakagadzirwa zvisina kunaka rinogona kukonzera mhirizhonga (inotungamira kune inclusions) kana kutadza kudyisa shrinkage munzvimbo yekupedzisira kusimbisa. Takambove nechikamu chakaoma chemapfupa chakaramba chichiratidza shrinkage porosity mukona yakavanzika yemukati. Kugadzirazve gedhi uye nekuwedzera strategic riser kwakagadzirisa, asi zvaida kucheka patsanura yakawanda yekukanda kuti uongorore.
Precision iRwendo, Kwete Snapshot
Kushivirira mukukandira mudziyo wekurapa kwakasimba, kazhinji mumakroni kune zvakakosha maficha. Asi as-cast tolerance ingano. Kukandira kwese kuchava nekusiyana. Hunyanzvi chaihwo huri mukudzora iwo musiyano unofanofungidzira uye kuziva izvo zvichacheneswa mune inotevera CNC machining. Ichi ndicho chikonzero zvivakwa zvakabatanidzwa zvinosanganisa kukanda uye CNC machining pasi pedenga remba, senge QSY yekumisikidza, vane mukana wakasiyana. Iwo machinists uye mainjiniya ekutanga vanogona kutaura. Vanogona kusarudza, semuenzaniso, kusiya imwe hafu-millimita yemasheya pane yakaoma-kukanda-kukanda bhora nekuti zviri nyore uye zvakavimbika kuigadzira kusvika pakukura kwekupedzisira pane kudzingirira nzvimbo yakakandwa.
Chinyorwa chekutanga chekuongorora chinyorwa ndicho chinyorwa chakakosha. Haisi pepa rekupasa/kufoira. Imepu yemaitiro ekuita. Uri kutsvaga mapatani mukutsauka. Zviyero zvese zviri kudivi rimwe rezita here? Izvozvo zvinogona kuratidza kuchinja kunoenderana. Hushasha hwepamusoro hwakakwira here panzvimbo dzakatarisa kumusoro? Iyo inogona kunge iri slag kana oxide inclusion nyaya. Iyi data inodyisa kumashure zvakananga mukugadzirisa maitiro. Zvinodzokorora, dzimwe nguva zvinoshungurudza zvakadaro.
Uye ipapo pane kuchenesa. Mushure me shakeout, une chikamu chakasanganiswa nemagedhi eceramic uye nzvimbo yakaoma. Kubvisa, kubviswa kweceramic (kazhinji nekuputika kwehasha kana makemikari leaching), uye passivation yezvikamu zvisina tsvina ndipo panounzwa hurema hwakawanda hwepamusoro kana husina kunyatsodzorwa. Kuputika kwakanyanyisa kunogona kushanda-kuomesa uye kuzora pamusoro, masking subsurface porosity iyo inozova nzvimbo yekutanga kutsemuka. Idanho rinoda finesse yakawanda sekudira.
Kana Zvakaipa: Nguva Yekudzidza
Kukundikana ndivo vadzidzisi vakanyanya, chero iwe uchibvumidzwa kubuda pachena nezvavo. Imwe purojekiti yekutanga yaisanganisira laparoscopic scissor chikamu, chidiki, chakaoma kunzwisisa chikamu. Iwo prototypes aitaridzika akakwana, akapfuura ongororo yekutanga. Asi panguva yekuedza kwehupenyu hwekushanda, gomba repivot rakareba, richikonzera kutamba. Ongororo yekutadza haina kunongedzera kune chirema chekukanda, asi kune simba regoho rezvinhu. Isu takanga tatsanangura yakajairwa 17-4PH mamiriro, asi kune iyo chaiyo geometry uye kurodha, yaida akasiyana kupisa kupisa kuti iwane yakanyanya kuoma. The precision casting yakanga isina chikanganiso, asi manyorerwo ekushandisa aive asiri iwo. Chaive chidzidzo chehutsinye mukufunga kwehurongwa.
Imwe nguva, takatarisana nekukobvu kwemadziro kusingawirirani mune kanula ine madziro matete. Jekiseni rewakisi raive rakanaka, goko raitaridzika zvakanaka. Dambudziko rakatevera kumashure kwemuti wekugadzira wax pattern. Kona iyo chikamu ichi chainamirwa kune chepakati sprue chaiita kuti isiri-uniform shell drainage panguva yekunyura, ichitungamira kune yakatetepa zvishoma bhachi receramic kune rimwe divi, iro rakashandurwa kuita gobvu resimbi madziro. Kutenderera kudiki kwechikamu pamuti kwakagadzirisa. Aya ndiwo marudzi emaminiti, asiri-pachena maitiro ekudyidzana iwe unongodzidza kuburikidza nemaoko-pa, kudzokorora kuratidzwa.
Zviitiko izvi zvinosimbisa kuti sei kubatirana nemugadziri ane ruzivo kusiri kwekungoburitsa dhirowa. Ndezvekupinda mudura iro rekushandisa kugadzirisa matambudziko. Kurarama kwenguva refu kwekambani, sekushanda kweQSY kwemakore makumi matatu, kazhinji kunoreva kuti vakambosangana nekugadzirisa matambudziko aya asati anyatsojeka, zvichikuchengetera nguva nemari yekuawanazve.
Ramangwana Harisi Kungowedzera Kuwedzera
Pane zvakawanda zvinonzwika zvakatenderedza 3D kudhinda kwemidziyo yekurapa, uye nechikonzero chakanaka. Asi kune yepakati-kusvika-yakakwirira vhoriyamu kugadzirwa kwezvinhu zvidiki, zvakaoma, zvesimbi, Investment casting inoramba yakaomesesa kurova pane mutengo-kuita hwaro. Iyo yekupedzisa kwepamusoro, metallurgical kutendeseka, uye michina zvivakwa kubva mukuita zvakanaka kukanda maitiro zvichiri nani kune akawanda anotakura anotakura anodyara uye zviridzwa. Ramangwana, ndinofunga, riri mukusanganiswa. Uchishandisa 3D kudhinda kugadzira isingagoneke wakisi mapatani kana kunyange kunanga magomba eceramic e prototyping kana akanyanya-complex one-offs, wobva wasimudzira iyo yakamiswa, scalable, uye inodhura-inoshanda chaiyo yekukanda maitiro ekugadzira.
Iyo tambo yedhijitari iri kuomesawo. Simulation software yekuzadza mold uye kusimba iri kuita nani, asi ichiri gwara, kwete chirevo. Kushandiswa kwakanyanya kwandaona kufananidza kufanotaura neiyo chaiyo yekutanga-chinyorwa dimensional data uye porosity mepu kubva kuX-ray kuongororwa. Kugadzirisa modhi kune yako chaiyo shopu pasi mamiriro - yako alloy melt, yako shell zvivakwa-ndiko uko kukosha chaiko. Inoderedza kutenderera kwekudzokorora.
Saka, izvozvo zvinotisiya kupi? Precision casting yezvishandiso zvekurapa tekinoroji yakakura, asi iri kure nekumira. Inyanzvi yakadzama, inotungamirwa neruzivo uye kudzidza kwakasimba. Chinangwa hachisi kukanda kwakaringana nguva dzese — izvo hazvigoneke. Chinangwa inzira inofanotaurwa apo iwe unonzwisisa maitiro ekukundikana, kudzora yakakosha paramita, uye uve nehunyanzvi hwekuongorora uye kugadzirisa. Ndizvo zvinopatsanura chikamu chinotaridzika chakanaka pane pepa kubva kune iro rinoita zvakavimbika mukati memunhu.
