Kana vanhu vazhinji vakanzwa 'maturbine blades', vanofungidzira aya mafoiri emhepo anopenya, anopenya achitenderera mujini yejeti kana gwenya remagetsi. Izvo zvinozivikanwa zvisiri izvo ndezvekuti zvese nezve aerodynamic chimiro. Kunyangwe izvo zvichinetsa, iyo chaiyo nyaya - iyo inochengeta mainjiniya usiku - inoitika nguva refu isati yaona chero kuyerera kwemhepo. Ndezvekupona mukati megehena chairo: kupisa kwakanyanya, centrifugal masimba ari kuedza kubvarura simbi, uye magasi anoparadza. Kuwana geometry yakarurama idambudziko rimwe chete, asi kuita kuti chimedu chesimbi chirarame zvakavimbika munharaunda iyoyo ndipo panouya makumi emakore ekugadzira uye machining craft. Ndiko uko hunyanzvi chaihwo hwemakambani ane zvinhu zvakadzika uye nhoroondo yekugadzirisa, seQingdao Qiangsenyuan Technology Co., Ltd. (QSY), inova isingagone kutaurirana. Vanga vari mumutambo wekukanda uye nemachini chaiwo kweanopfuura makore makumi matatu, izvo mundima iyi, zvinoreva kuti vangangoona mhando dzese dzeporosity, kubvarura inopisa, uye dimensional kudhirika iwe unogona kufungidzira.
Nheyo: Inotanga neMold uye Melt
Iwe haugone kugadzira blade yakakwana kubva pakukanda kwakashata. Zviri nyore. Zvekuita kwepamusoro turbine blades, kunyanya munzvimbo dzemuchadenga kana tembiricha dzemaindasitiri, tinenge tichingogara tichitaura nezvekukanda mari, kana kukanda mold. Maitiro epatani ewakisi anokuwanira nzira dzakaomarara dzemukati dzekutonhodza — idzo ndima dzenyoka mukati mebedza chishamiso cheinjiniya yemazuva ano. Asi mashiripiti, kana njodzi, inoitika panguva yekudururwa. Nemidziyo yakaita senickel-based superalloys, tembiricha yekudurura uye mold pre-heat inofanirwa kunge iri mukutamba kwakakwana. Kunyanya kutonhora, uye unowana misruns; yakanyanya kupisa, uye unogona kuwana mold reaction kana yakawandisa zviyo kukura. QSY kutarisisa kwenguva refu pane goko mold uye kuisa mari kukanda kune yakakosha alloys haisi mutsara wekushambadzira; ndiro danho rekutanga. Ndinoyeuka purojekiti makore kumashure kwataive nenyaya dzinoenderana neiyo micro-porosity munzvimbo yeblade mudzi-chikamu chinokiya mudhisiki. Zvakazoitika kuti gating system dhizaini kubva kuchitoro chemaitiro yaive yakadzimwa zvishoma, zvichikonzera mhirizhonga kuzadza munzvimbo yakaoma-kushushikana. Zvakatora mavhiki ekuyedza anomhanya neakasiyana sprue magadzirirwo kuti agadzirise.
Zvadaro pane zvinhu pachazvo. Simbi isina tsvina iboka rakakura, asi kune akawanda maindasitiri gasi turbine blades, uri kufamba mucobalt kana nickel-based alloys. Aya haasi masimbi ako emazuva ese. Ivo vane viscous kana vakanyungudutswa, vanodzikira munzira dzakananga, uye ivo vane hutsinye kuoma pakushandisa gare gare. Sarudzo pakati pekukandira kwakasimba kwakasimba kana kunyange kukanda imwe-kristaro ndiyo yakakosha mutengo-vs-kuita sarudzo yakaitwa pano. Iko kugona kweiyo foundry kudzora yekusimbisa kumberi ndizvo zvese. Kugara kwekambani kwemakore makumi matatu, seQSY, kunoratidza kuti vakavaka ruzivo rwakadzikama-rudzi rusiri mumanyoro-pamabatiro ekuita izvi zvinonyunguduka zvemhando dzakasiyana dzeblade nemashandisirwo.
Post-cast, yekutanga yakakosha cheki haina dimensional. Ndiyo radiographic uye ultrasonic kuongorora. Kutsvaga izvo zvirema zvemukati. Iwe unogona kuve neblade inotaridzika zvakanaka kunze asi ine cluster ye porosity inoenderana neinotungamira. Ndiyo nguva bhomba. Iyo yekutanga uye chitoro chekugadzira chinoda kuwiriraniswa pano, nekuti kana NDT ikawana chikanganiso munzvimbo yakaoma, chikamu chakaraswa. Hapana huwandu hwemashiripiti eCNC hunogona kugadzirisa pasi pevhu.
Iyo Machining Tightrope: Kubata Kushivirira paChikamu Chakakanganiswa
Apa ndipo panosangana mugwagwa. A cast turbine blade isina chinhu haisi yakanaka, isina kunetseka-isina block yealuminium. Chinhu chakamonyaniswa, chakaoma-se-gehena-chakaita semhepo-yakaita mhepo ine zvinosara zvinonetsa kubva mukutonhodza. Yekutanga machining op, kazhinji mudzi (fir-tree kana dovetail), inoisa iyo datum yezvese zvinotevera. Kana iwe ukasasimbisa iyo referensi nenzira kwayo, iyo aerodynamic mbiri yese ichadzima. Isu tinoshandisa zvigadziriso zvine hunyanzvi zvinosungirira pamhepo pamhepo pasina kuzvikanganisa, hunova hunyengeri pachahwo. Simba rekumanikidza rinofanirwa kunge rakangokwana kuti ribate kurwisa mauto ekucheka, asi kwete zvakanyanya iro rinodzoka gare gare.
CNC kugadzira aya alloys inzira inononoka, inodhura. Iwe hausi kutora zvakadzika kucheka. Ndezvekumhanya kukuru kwespindle, mareti chaiwo ekudya, uye premium carbide kana ceramic tooling inopera nekukurumidza zvinoshamisa. Ruzha rwekuchekwa runoshanduka kana chishandiso chatanga kuenda-unowana kurira kwepamusoro-soro. Akanaka machinist anoiteerera. Kunotonhodza kudzvanywa uye kuiswa kwakakosha zvakare, kunyanya kana uchikuya mupendero wekutevera. Iwe haugone kurega kupisa kukwira, kana iwe kukonzeresa kushushikana kwekushisa kunotenderedza chikamu mushure mekusunungura. Ndakaona bhechi remablades uko mativi ekumashure aive akakwana paCMM achangopedza machining, asi akachinjirwa nevashoma iwe mushure mekugara husiku. Yakanga iri nyaya inotonhorera yekutumira; takanga tichiifashamira asi tisina kupinza rukova munzvimbo yakachekwa pachikamu chitete ichocho.
Uku ndiko kukosha kweiyo vertical integrated provider. Kana iyo yekukanda uye CNC machining iri pasi pedenga rimwe, senge pakushanda kweQSY, iyo loop yemhinduro ipfupi. Kana machinist vakawana inowirirana yakaoma nzvimbo kana shanduko yezviyero zvinoteedzerwa kune yekukanda hunhu, vanogona kufamba vachidzokera kune yekutanga uye kugadzirisa maitiro. Kuedza kuita izvi pakati pevatengesi vaviri vakasiyana kunosanganisira mavhiki emaemail, kupa mhosva, uye kunonoka.
Surface Kutendeseka: Kupfuura Kungopfava
Mushure mekugadzira, iyo yepamusoro haina kugadzirira. Kukuya nekukuya kunosiya diki-layer yezvinhu zvakakanganisika, kazhinji nemisodzi diki kana kusara kwekushushikana. Kune chikamu chiri pasi pe cyclic kurodha, iyi inzvimbo yepamusoro yekutanga crack. Ndicho chikonzero maitiro akaita sekupfurwa peening anosungirwa. Iyo inobhomba pamusoro nediki midhiya kuti ikonzere compressive stress layer, inonyatso kuvhara gonhi pamusoro pepakatsemuka. Asi inofanira kudzorwa—kusimba, kufukidza, kona. Kudongorera kumucheto kwakatetepa kunotungamira zvine hukasha kunogona kuibvisa kunze kwechimiro.
Zvadaro pane coatings. Thermal Barrier Coatings (TBCs) ijasi repamusoro receramic raunowanzo kuona richipa mashizha ane matte, akashata zvishoma. Asi pasi pacho panowanzo bhachi rebhondi, senge MCrAlY (M iri nickel kana cobalt), inoshandiswa kuburikidza neplasma spray kana HVOF. Iri bhachi rebhondi ndiro rinopa oxidation kuramba uye rinonamatira TBC. Kugadzirira kwekuputira uku ndeimwe nhanho chaiyo. Iyo yepamusoro inoda chaiyo roughness profile (kazhinji kuburikidza negrit blasting) yekunamira kwemuchina, uye inofanirwa kuve yakachena zvachose. Chero mafuta akasara anokonzera delamination gare gare. Ini ndinorangarira ongororo yekutadza apo blade yakadurura TBC yayo mubasa. Chikonzero chikuru? Shanduko yekuchenesa solvent isati yapfeka iyo yakasiya yapera, isingaonekwe firimu. Zvakatora mwedzi kuti zvizodzoka.
Kune mamwe mashizha, kunyanya muzvikamu zvinopisa, iwe unogonawo kuva nemakomba ekutonhora akadhindwa kuburikidza neEDM kana laser. Maburi aya madiki, anowanzo kutenderedzwa, uye kuiswa kwawo uye kumucheto kwakakosha pakugadzira firimu rekudzivirira rinotonhorera pamusoro pepamusoro peblade. Kuboora gomba rinoputika zvishoma-kunogona kukanganisa firimu iro uye kugadzira nzvimbo inopisa yemunharaunda.
Iyo Chaiyo-Nyika Kukanganisa uye Kukundikana Modes
Madhizaini ezvinyorwa haawanzo kupona kusangana kwekutanga neicho chaicho. A classic trade-off iri pakati peaerodynamic kunyatsoita uye manufacturability. Mugadziri angada mhepo yakatetepa, yakavezwa ine radius yakasimba pamucheto unotevedza. Iyo yekutanga mainjiniya ichati hazvigoneke kukanda pasina yakakwira chirairo mwero nekuda kwekukanganisa. Iyo machinist ichati haina kusimba kugadzirisa uye muchina usina chatter kana kukotama. Iko kukanganiswa kunowanzo guma kuve chikamu chakakora zvishoma, kana dhizaini tweak kubvumidza imwe yakasimba nzira yekushandisa. Uku ndiko kugara kutaurirana.
Maitiro ekutadza anodzidzisa. Kutadza kuneta kazhinji kunotangira pamidzi serrations kana panosangana mhepo nepuratifomu. Kukambaira - kunonoka, kushanduka kwechigarire pasi pekupisa uye kushushikana - kunoratidza kurebesa zvishoma nezvishoma uye kusamonyoroka kweblade kwezviuru zvemaawa. Kukukurwa kubva kune tunhu turi muhova yekunwa kunogona kupera kumucheto, sekuputika kwejecha. Asi imwe yeakanyanya kupusa ndeyekunetseka kupfeka pamidzi yekubatana kumeso neiyo turbine disk. Kufamba kweMicroscopic pasi pemutoro kunokonzera kupfeka, izvo zvinogona kutungamira mukunetsekana uye kutanga kutsemuka. Ndosaka iko kurongeka kweiyo midzi maficha, akagadzirwa neanokwanisa CNC shopu, yakakosha-kudzikisa iyo yekutanga micro-kufamba.
Iwe unodzidza kuremekedza ketani yese. Kukandira kwakakwana kwakaparadzwa neakaipa machining setup. Iyo yakanyatsogadzirwa blade yakakanganiswa neasingadzoreki yekupfekedza maitiro. Iketani ine malink akawanda, uye kuvimbika kwese kwakangonaka senge isina kusimba. Ichi ndicho chikonzero kubatana nemutengesi anodzora akawanda malink, kubva pakunyunguduka kusvika kune yakapedzwa mashini chikamu, kunoderedza njodzi. Hazvisi zvekungorerutsira; ndezvekuita kuzvidavirira.
Kutarisa Mberi: The Constant Push
Munda haumbomira wakamira. Kune nguva dzose kushinha kwepamusoro tembiricha kugona kuvandudza kushanda kweinjini, iyo inotyaira kusimudzira kutsva kwealloy uye nehukasha hwemukati hwekutonhora dhizaini dhizaini. Kuwedzera kugadzira (3D kudhinda) iko zvino kuri mumusanganiswa weprototyping yakaoma kutonhora geometries isingagone kukanda. Asi kune yakakwira-vhoriyamu, yakakwirira-yakavimbika kugadzirwa, kukanda kwekudyara kwakapetwa neiyo CNC machining kuchave basa rekushanda kwenguva yakareba iri kuuya. Ruzivo harwungori musoftware kana maturusi emuchina; iri mundangariro dzakabatana dzemainjiniya uye matekiniki akamhanyisa zviuru zvekupisa, akamisa zviuru zvezvigadziriso, uye akaongorora mazana ezvikamu zvakakundikana.
Ndiyo pfuma isingabatike. Paunotarisa chimiro chekambani, senge yeQingdao Qiangsenyuan Technology (QSY) pa tsngtaocnc.com, mutsara wakakosha haungori rondedzero yemasevhisi akaita sekudyara kwekudyara uye CNC machining. Ndiyo chikamu chemakore makumi matatu. Mubhizinesi iri, iyo nguva yenguva inoreva kuti vakafamba nematambudziko aya, vakagadzirisa matambudziko aya ekukanganisa, uye vakavaka anodiwa emhando yekudzora. Vangangove vakagadzira zvese kubva kumaindasitiri emagetsi emagetsi mablades kusvika kudiki, akaoma kunzwisisa emayuniti ekubatsira. Chiitiko ichocho chinoshandura zvakananga mune zvishoma zvisingazivikanwe uye zvishoma zvinoshamisa panguva yekugadzirwa-izvo, kune chimwe chinhu chakakosha se turbine blade, ndizvo zvauri kubhadharira pakupedzisira.
Saka nguva inotevera paunoona blade yeturbine, kanganwa nzvimbo inopenya kwesekondi. Funga nezverwendo: iyo chaiyo ceramic mold, iyo inodzorwa yekudirwa kwe superalloy pakupisa kunopofumadza, kunonoka, nekungwarira kubviswa kwesimbi nechirongwa cheCNC kuburitsa fomu yekupedzisira, uye marapirwo epamusoro anoishongedza kuhondo. Inyanzvi yesimbi yakashandiswa uye hunyanzvi hwekugadzira, uko imwe neimwe micron yekutsauka inotaurira nyaya.
