Xa abantu besiva 'i-aerospace yotyalo-mali', bahlala benomfanekiso ongenasiphako, amagqabi omoya abengezelayo esanda kwividiyo yentengiso. Ubunyani bumdaka kakhulu, bunyanzelekile, kwaye ngokuphandle, bunomdla ngakumbi. Ayikokufikelela nje kwiijiyometri ezintsonkothileyo; luthethathethwano oluthe gqolo phakathi kwamabhongo oyilo, ubunyani besinyithi, kunye noqoqosho olukhohlakeleyo lomthamo, amaxabiso okulahlwa, kunye namaxesha okukhokela. Abaninzi bacinga ukuba ukunyamezelana okungqongqo kuhlala kubhetele, kodwa ukucacisa i-±0.05mm kumphezulu ongeyomfuneko wangaphakathi kunokuphinda kathathu iindleko zenzuzo yokusebenza enguziro. Kulapho umsebenzi wenene usenzeka khona.
Umbono ongeyiyo ongundoqo: Yinkqubo nje echanekileyo
Eyona nto ilula kakhulu kukuphatha utyalo-mali njengenye indlela echanekileyo yokwenziwa okanye ukwenza oomatshini. Ukuchaneka sisiphumo, hayi into enikiweyo. Ifunyanwa ngolawulo lweenguqu ezilikhulu. Ngokomzekelo, iiparamitha zepatheni ye-wax-iqondo lobushushu, uxinzelelo, ixesha lokuhlala-lichaphazela ngokuthe ngqo ukuzinza kwe-dimensional kunye nokugqitywa komphezulu ngaphambi kokuba kuthululwe nayiphi na isinyithi. Ukuguquguquka okungephi kwiqondo lobushushu legumbi le-wax kunokwazisa iipateni zoxinzelelo ezizibonakalisa kuphela njengodonga olubhityileyo olugqwethekileyo emva kokwakhiwa kweqokobhe kunye nokuthotywa kwewax. Awugibi nje isinyithi; uphosa yonke imbali ye-wax kunye nenkqubo ye-ceramic.
Ndikhumbula iprojekthi yesibiyeli solwakhiwo kwi-nickel-based superalloy. Uyilo lwalutyhala imida kwiindonga ezincinci kunye neekona zangaphakathi ezibukhali. Ukulinganisa kwakukhangeleka kucocekile. Amanqaku okuqala, nangona kunjalo, abonise i-micro-tears eziqhubekayo kwi-junctions. Ukusabela kwangoko kubunjineli yayikukulungisa isango. Kodwa oyena nobangela wawusisiseko kakhulu: isibophelelo esikhethekileyo se-alumina-silicate kumaleko odaka oluphambili yayisenza i-thermal gradient engathandekiyo ngokuchasene neempawu zokuqiniswa kwealloyi ethile. Ukutshintshela kwizinto ezijongene ne-zircon-based based, nangona ixabiso layo eliphezulu, liyisombulule. Sifunda ntoni? Iqokobhe elikwiqokobhe lokungunda ayisosikhongozeli sokwenziwa; yinkqubo esebenzayo yobushushu.
Kungenxa yoko le nto ubuhlakani bexesha elide kunye nabasunguli abanamava anzulu ngemathiriyeli ethile ixabiseke kakhulu. Inkampani efana Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), kunye namashumi amathathu eminyaka abo utyalo mali kunye noomatshini, ngebejongene nezi meko izihlandlo ezininzi. Amava abo kwintsimbi etyhidiweyo, intsimbi, kunye nokugxeka ialloys esekwe cobalt kwaye ialloys esekwe nickel kuthetha ukuba kusenokwenzeka ukuba bakhe ithala leencwadi eliqondakalayo apho iiresiphi zeqokobhe zisebenza kunye neentsapho zentsimbi phantsi koxinzelelo olwahlukileyo lwejiyometri. Olo lwazi lucwangcisiweyo alukho kuyo nayiphi na iphakheji yesoftware.
Umdaniso weMaterial: Ialloys azitshintshi
Ukuthetha ngee-alloys, ukutshintshwa kwe-aerospace ukuya kwizinto ezifana ne-Inconel 718, i-Mar-M247, okanye i-cobalt-based HS-188 ayilotshintsho lwephepha elithile. Ngamnye uziphatha njengesilwanyana esahlukileyo ngexesha utyalo mali inkqubo. I-718 iyaxolela kodwa ithanda ulwahlulo ukuba iqondo lobushushu lokugalela licinywe lunwele. I-vacuum inyibilika kwinxalenye ye-Mar-M eqinisiweyo yi-ballet yokulawula ubushushu kunye nesantya sokurhoxisa. Yifumane iphosakeleyo, kwaye awufumani nje ukwaliwa; ufumana ukucoca iziko elinexabiso eliphezulu.
Sifunde oku kabuhlungu kwiprojekthi yokuqala yekomityi ye-swirl ye-combustor. Ushicilelo lubize i-alloy ye-cobalt yobunini. Sifumene into ebesicinga ukuba libakala elilinganayo. I-chemistry yayingaphakathi kwe-spec, kodwa umkhondo wezinto ezihlukeneyo-izinto ezifana ne-lanthanum okanye umxholo we-yttrium-utshintshe kakhulu umbane kunye nokuxhathisa ukukrazula. Isiphumo sasiyi-40% yesantya se-scrap kwimveliso yokuqala eqhutywe ngenxa yokuqhekeka. Ulungiso lwalungeyiyo inkqubo yokulungisa; yayibuyela kwindawo yokusila ukuze inyibilike ngokuqina, iprofayile yokulandelela elungiselelwe ngakumbi. Ngoku, ndiyazi ukuba i-alloy spec sisiqalo, ayisosiqinisekiso.
Kulapho amaziko adibeneyo abonisa amandla abo. Xa iziko elifanayo liphatha i utyalo mali kunye nokulandelayo CNC Machining, banokwenza urhwebo olunolwazi. Mhlawumbi bashiya i-0.5mm eyongezelelweyo yesitokhwe kwi-flange ekhohlisayo besazi ukuba iqela labo lomatshini lineqhinga elithile lokulungisa, liphucula inkqubo yokuphosa yemfezeko kunokuba i-net-shape imfezeko. Ukujonga QSYamandla (https://www.tsingtaocnc.com) icebisa le ndlela edibeneyo-ukuphosa kunye nomatshini phantsi kophahla olulodwa-nto leyo ibaluleke kakhulu kwiindawo ze-aerospace apho i-post-cast machining isoloko ifuneka ukubetha ezo zinto zokugqibela ze-datum.
Iphazili yokuSasa kunye nokutya: Ubugcisa obungaphezulu kuneNzululwazi
Isoftware yokulinganisa ifikile indlela ende, kodwa uyilo lokungena luhlala luyinxalenye yesayensi, inxalenye yobugcisa obumnyama. Isoftware inokuqikelela ukushwabana kwe-porosity, kodwa ayinakuchaza ngokupheleleyo intsebenziswano phakathi kobunzima bobushushu beqokobhe leceramic kunye noluhlu olukhenkcezayo lwealloy kwiimeko zeziko lehlabathi lokwenyani. Ndibone iindlela zokondla ezilinganisiweyo zisilele kuba zenze indawo eshushu kwiqokobhe, zilibazisa ukuqina kwindawo engalunganga.
Umzekelo osebenzayo: indlu enkulu, ebhityileyo yetitanium. Ukulinganisa kucebise isango eliphezulu elilula elinokutya okuninzi. Ukugalelwa kokuqala kubangele ukuvalwa okubandayo kunye ne-laminations. Ingxaki? Ukupholisa ngokukhawuleza kwe-Titanium kunye ne-viscosity. Indawo yokungena yayidala isiphithiphithi, intsimbi epholisayo phambi kokuba igcwalise ngokupheleleyo umngxuma. Isisombululo, esiphuhliswe ngolingo loqobo kunye nempazamo, yayiyindibaniselwano yamasango amancinci, asasaziweyo kunye nobushushu obuphezulu kancinci, kunye nokungunda okufudunyezwe kwangaphambili ukucothisa ukubanda kokuqala. I-counter-intuitive kwi-standard practice ye-aluminium okanye intsimbi.
Oku kuphinda-phindwa, ukusonjululwa kwengxaki ngamandla yintliziyo entsonkothileyo utyalo mali. Uqala ngokulinganisa, kodwa kufuneka ulungele ukuphindaphinda ngokwasemzimbeni. Ukuvuma komthengisi kunye nokubanakho ukuqhuba olu lingo luncinci-kaninzi ngeendleko zabo zokwakha ubudlelwane-ngumahluli ophambili. Akukhona nje ngokuba ne iqokobhe ngundo ukuphosa izixhobo; imalunga nokuba nomonde kunye nobuchule bokulungisa inkqubo yecandelo lakho elithile.
IHandoff engenakuthintelwa: Ukuphosa kuMachining
Akukho mboniso we-aerospace owenziwe ngokwenene. Kuhlala kukho i-machining, rhoqo i-EDM, ngamanye amaxesha i-welding okanye i-brazing. Ukunikezelwa apha ngowona mthombo wokukhombana ngeminwe. I-machinist igxeka i-caster yeendawo ezinzima, uxinzelelo olushiyekileyo, okanye i-porosity efihliweyo. I-Caster igxeka i-machinist ngokubambelela ngokungafanelekanga okanye ukusikwa okunamandla.
Ezona projekthi ziphumeleleyo endiziphetheyo ziphethe icandelo njengefomu yangaphambili. Siye sabamba uphononongo oludibeneyo phakathi kwe-Foundry kunye nevenkile yomatshini ngaphambi kokuba ipateni yokuqala isikwe. Imibuzo efana nale: Ngaba singadibanisa iphedi encinci apha kwidatum yomatshini? Ngaba obu bunzima bodonga lwanele uxinzelelo lwakho lwe-chucking? Ngaba kufuneka sinciphise uxinzelelo phambi okanye emva komatshini orhabaxa wale alloy? Ezi ncoko ziyigolide. Balungelelanisa okulindelekileyo kwaye bajike inkqubo ye-serial ibe yi-parallel.
Esi sisindululo sexabiso esifihlakeleyo somboneleli ngenkonzo epheleleyo. Nini QSY ikhankanya ubuchule babo obudibeneyo kwi utyalo mali kwaye CNC Machining, kubonisa ukuba bangene ngaphakathi ezi ncoko. Banokwandisa ukubunjwa ukuze kube lula, besazi kakuhle ukuba isebe labo lomatshini lifuna ntoni. Iphelisa umaleko omkhulu womngcipheko kunye nonxibelelwano olungaphezulu, oluthi lwenkqubo ye-aerospace, luxabiseke kakhulu kunokonga ixabiso leyunithi nganye kwikhonkco lonikezelo elidityanisiweyo.
Ukujonga Phambili: Hayi nje ukuntsonkotha, kodwa ukungaguquguquki
Ikamva le utyalo-mali lokuphosa i-aerospace ayithethi malunga neejiyometri ezibhidayo; imveliso eyongezelelweyo ithatha isithsaba esinzima kakhulu. Ixabiso lotyalo-mali liza kuqina (i-pun ijongiwe) kumthamo ophezulu, ukuthembeka okuphezulu kumacandelo apho ukuhambelana kumawaka eenxalenye kubaluleke kakhulu. Cinga ngezixhobo zesixokelelwano sesibaso, izindlu ze-actuator, izibiyeli-amacandelo anokubonakala elula kodwa angazinyamezeli kwaphela iziphene zangaphakathi.
Umceli mngeni uyatshintsha ekubeni singawenza? singenza amawaka alishumi ngokufanayo, ngesantya esilahliweyo esingaphantsi kwe-0.1%? Oku kufuna uhlobo olwahlukileyo lobuchwephesha: ulawulo lwenkqubo yamanani kwimilinganiselo ye-wax, iqokobhe elizidibhayo iirobhothi zokwaleka okufanayo, kunye nohlalutyo lwekhemistri enyibilikayo ngexesha lokwenyani. Incinci malunga nesakhono samagcisa kwaye ngakumbi malunga nemizi-mveliso, uphindaphindo oluqhutywa yidatha.
Ababoneleli abasindileyo kolu tshintsho baya kuba ngabo batyala imali kungekuphela nje kwiziko elitsha, kodwa kumqolo wedijithali ukulandelela nokulawula yonke ipharamitha. Ngumsebenzi okruqulayo, ongathandekiyo wolawulo lomgangatho oya kuchaza isizukulwana esilandelayo seziseko ze-aerospace. Abo bayifumanayo baya kucaphula kungekuphela nje kwixabiso kunye nekhono, kodwa kwinkqubo yobalo eqinisekisiweyo yenkqubo (Cpk) yenqaku elithile olikhathaleleyo. Ngumda wenene ngoku.
