Uma abantu abaningi bezwa 'izingxenye zokusakaza ze-nickel alloy', ngokushesha bacabanga ukumelana nezinga lokushisa eliphezulu noma amashadi okugqwala. Leyo yinkulumo yencwajana. Indaba yangempela iqala lapho uzama ukuthela leyo nto encibilikisiwe, ingxube ye-viscous ibe isikhunta futhi ulindele ukuthi iziphathe kahle. Igebe phakathi kwezinto ezibonakalayo zethiyori eshidini ledatha kanye neqiniso lomsindo, ukusakaza okushintshwayo kulapho yonke le mboni ihlala khona noma ife. Akukhona nje ngokukhetha i-Inconel 718 ngaphezulu kuka-625; kumayelana nokuqonda ukuthi isakhiwo sokusanhlamvu sizokwakheka kanjani nxazonke, noma ukuthi kungani iphethini ye-wax ebonakala iphelele iholela engxenyeni ekhishwe ngemva kokwelashwa kokushisa. Ngibone imiklamo eminingi kakhulu ecacisa ingxube ye-nickel ngezizathu ezingalungile, okuholela ekwenyukeni kwezindleko kanye nokwehluleka obekungagwenywa ngomqondo omncane osebenzayo.
Ingxubevange Akuyona Nje Ingxubevange
Ake sicacise. Ufuna isixhumi sephampu endaweni yesevisi emuncu, ukuze uhlale ku-Monel. Isiqalo esihle. Kodwa iyiphi indlela ye-Foundry? Ngokusakazwa kokutshalwa kwezimali, uthola i-geometry eyinkimbinkimbi, kodwa ukulawula okuqukethwe kwe-aluminium ne-titanium ngesikhathi sokuncibilika ukuvimbela ukudabuka okushisayo ezingxenyeni ezincane kuba yimpi yasebusuku ye-metallurgist. Ngikhumbula iphrojekthi nge I-Qingdao Qiangsenyuan Technology Co., Ltd.(QSY) lapho besiphusha khona imikhawulo engxenyeni ye-Hastelloy C-276 enezindonga ezincane. I-spec yayiqinile. Indlela yabo yayingekhona nje ukushaya ukwakheka kwamakhemikhali; kwakumayelana nezinga lokushisa langaphambi kokushisa kwegobolondo le-ceramic. Iphansi kakhulu, futhi insimbi yayizophola ngokushesha kakhulu, idale ukucindezeleka; liphezulu kakhulu, futhi ube sengozini yokusabela kwegobolondo lensimbi. Lawa ma-nuances aseminyakeni engamashumi amathathu kuwo ukubunjwa kwegobolondo futhi ukutshala imali letha etafuleni—imininingwane ongeke uyithole ebhukwini.
Bese kuba nohlangothi lwemishini, oluvame ukunganakwa esigabeni sokuklama. Ukusakaza ingxenye yomumo oseduze nenetha ku-Inconel 738LC yinto eyodwa, kodwa-ke udinga ukubhoboza izimbobo zokupholisa kuyo. Ukucindezelwa okuyinsalela okuvela kunqubo yokulingisa kungadala umonakalo kumzila wamathuluzi we-CNC, okuholela ekuphambukeni kwamathuluzi kanye nokubhoboza okuphukile. Lapha yilapho indlu edidiyelwe eyenza kokubili ukulingisa kanye CNC imishini ngaphansi kophahla olulodwa, njenge-QSY, kunenzuzo ehlukile. Ochwepheshe babo bemishini basebenza neqembu labasunguli, ngakho-ke bayazazi izindawo ezingaba nengcindezi endaweni engenalutho ngaphambi kokuthi ithuluzi lokuqala lilithinte. Le ndlela yokuphendula ibalulekile. Awukwazi ukuvele uthumele ukusakaza okungahluziwe kunoma isiphi isitolo semishini futhi ulindele impumelelo.
I-pitfall evamile ukucabanga ukuthi wonke ama-alloys asekelwe ku-nickel athululela okufanayo. Abakwenzi. Okuqukethwe okuphezulu kwe-gamma-prime kumabanga aqinisa imvula njenge-IN-713 kuwenza azwele ngokumangalisayo izinga lokushisa elithelayo kanye nezinga lokuqina. Kwenze kungalungile, futhi ukwelashwa kokushisa okuguga okulandelayo ngeke kukunike amandla okubamba owakhokhela. Ngike ngabona izingxenye zidlula i-X-ray kodwa zehluleke kabuhlungu ekuhlolweni komshini ngoba i-microstructure ibivaliwe. Umsebenzi we-Foundry awenziwa ekushayiseni; kwenziwa kuphela ngemva kokuba ingxenye idlale ensimini. Yilapho isipiliyoni nge ama-alloys akhethekile thula konke. Kuncane mayelana nokusebenzisa inqubo evamile nokunye okwengeziwe mayelana nokufunda ukuziphatha kwensimbi phansi, ukwenza izinguquko zesikhathi sangempela ezingabhalwanga phansi noma kuphi.
Lapho Kwenzeke Khona Ukwehluleka (Futhi Esikufundayo)
Wonke umuntu ukhombisa impumelelo yakhe, kepha ulwazi lwangempela lusekuhlulekeni. Ekuqaleni, ngangizibandakanya ne-valve body cast ku-Alloy 625. Yadlula yonke i-NDT. Kodwa enkonzweni, yaqala ukuqhekeka eceleni kwe-flange. Imbangela? I-shrinkage porosity, efihlwe ukugodola okuncane, okube yinto egxilisa ingqondo ngaphansi kokuhamba ngebhayisikili okushisayo. Yayibukeka iphelele, kodwa yayingezwakali. Leso kwakuyisifundo ekwakhiweni kokukhwabanisa kanye nesidingo sokuqiniswa kokuqondisa, ngisho nakuma-alloys anokudla okuhle. Uzakwethu ongumsunguli omuhle akazifihli kulezi zindaba; bawasebenzisela ukucwenga izinqubo zabo. Emsamo wabo ku https://www.tsingtaocnc.com, ungabona ukuthi baphatha amajiyometri ayinkimbinkimbi, okusho ukuthi bake babambana nabo futhi baxazulula lezi zinkinga eziqondile zokuqina kuzo zonke izinto insimbi ku ama-alloys asekelwe ku-nickel.
Elinye iphuzu lokwehluleka elicashile ukuhlasela kwe-intergranular ezindaweni ezisakazwayo. Ezingxenyeni ezihloselwe izindawo ezonakalisayo, indlela evamile 'yokusakaza nomkhumbi' iwukugembula. Isendlalelo sendawo ye-as-cast singaba nokwakheka okuhlukile ngenxa ye-microsegregation, okuyenza ibe sengozini. Isixazululo singase sibe ukudlula komshini okulula ukususa lesi sendlalelo, kodwa lokho kwengeza izindleko. Okunye ukulawula izinga lokupholisa. Lolu uhlobo lwengxoxo yokuhwebelana eyenzeka nomkhiqizi ongumakadebona. Akukhona nje ukwamukela ukuphrinta; isebenzisana ngendlela yokwenza ingxenye isinde.
Bese kuba khona ukulungiswa kokushisela. Ngokuvamile kuwububi obudingekayo ekubunjweni. Kodwa nge-nickel alloys, ikhethekile. Ukusebenzisa intambo yokugcwalisa engalungile noma ukushisa kwangaphambili kungonakalisa izakhiwo zesisekelo sensimbi. I-Foundry ehlinzeka ngomshini ngokuvamile izoba nesitolo sokushisela esiqinisekisiwe esizeni futhi, ngoba bayazi ukuthi ukulungiswa kuzodinga ukwenziwa ngomshini kamuva. Lokhu kuhlanganiswa okuqondile kuyisihluthulelo sezingxenye ezinobuqotho obuphezulu. Ukubona ukusebenza kwesikhathi eside kwenkampani kukho kokubili ukusakaza nokwenza imishini kusikisela ukuthi bakhe lesi simiso sezinto eziphilayo ukuze silawule ikhwalithi ukusuka ekuncibilikeni kuya ekuhlolweni kokugcina.
I-Machining Handoff: Isixhumi Esibonakalayo Esibucayi
Lokhu kungase kube isici esinganakwa kakhulu. Uthola ukulingisa okuhle okungavuthiwe. Manje yini? Imidwebo yemishini iyaphuma, futhi umbuzo wokuqala uwukuthi: siyibopha kuphi? Ukuze uthole ukukhishwa kwe-nickel alloy, okuvamise ukubiza futhi okucishe kufane nenetha, awukwazi ukumane ukuphoqe ngesihluku ku-vise. Udinga amaphoyinti okubamba amasu, ngokuvamile ezindaweni ezingabalulekile, abehlelelwe isigaba sokuklama ukulingisa. Lapha yilapho ubunjiniyela obusebenza ngesikhathi esisodwa phakathi kwe-Foundry nesitolo semishini bungenakuxoxisana.
Ngikhumbula ingxenye ye-turbine shroud lapho idizayini yokuqala yokulingisa yayingenawo amaphedi omshini azinikele. Umphumela waba ukuthi umakhi kwadingeka adizayine inkimbinkimbi, ebizayo, futhi sasisenengxoxo ekugcineni ngoba ingxenye ayizange isekelwe ngokuqinile. Okwesibili, sengeze amaphedi amancane, omhlatshelo ekulingiseni ezindaweni ezizocishwa kamuva. Yengeze inani elincane lezindleko zezinto ezibonakalayo kodwa yonga imali eshisiwe ekulungiseni nasekuthuthukiseni ikhwalithi yokuqedela. Uzakwethu owenza zombili izinqubo ngaphakathi udizayina ngokwemvelo lokhu.
Ukugqoka kwamathuluzi kungomunye umbulali wezomnotho. Ukukhanda insimbi eqinile yinto eyodwa; ukwenza i-nickel alloy eqinisa umsebenzi efana ne-Hastelloy X kungenye. Imingcele yokusika idinga ukushayelwa, futhi amathuluzi adinga ukushintshwa ngaphambi kokuthi abe buthuntu ngokuphelele, noma udale ingcindezi ebusweni. Isitolo semishini esisebenza ngokukhethekile ngokulingisa kwangaphandle siphatha wonke umsebenzi njengemfihlakalo entsha. Isitolo esididiyelwe sakha isizindalwazi: Lena yindlela esenza ngayo umshini wethu wokulingisa we-Inconel 718 kusuka ku-Heat Lot XYZ. Lolo lwazi lwesikhungo lunciphisa isikhathi sokuzama nephutha futhi luthuthukise ubuqotho obungaphezulu.
Ukukhetha Okubalulekile: Akuyona I-Nickel Njalo
Lokhu kuzwakala kuwubumbuka, kodwa kwesinye isikhathi ingxenye engcono kakhulu ye-nickel alloy yileyo ongayenzi. Idrayivu yokucacisa i-nickel alloy ephezulu yayo yonke indawo enzima ingaba iphutha elibizayo. Ngibe yingxenye yezikhathi zobunjiniyela lapho sahlehla futhi sabuza: iyiphi imodi yokwehluleka kwangempela? Ingabe ukugqwala okufanayo? Ingabe ukukhathala okushisayo? Kwesinye isikhathi ukukhishwa kwensimbi engagqwali eklanywe kahle okuyi-duplex, nezindleko zayo eziphansi kanye nezindleko zomshini, kungenza umsebenzi ku-80% wamacala. Umkhiqizi omuhle ngeke avume ngokungaboni lutho olukhethekile lwakho; bazoyibuza, ngokusekelwe emininingwaneni yesicelo oyinikezayo. Lokho kuwuphawu lozakwethu weqiniso wobunjiniyela.
Sesikushilo lokho, uma uyidinga ngempela—izingxenye zenjini yejethi, amathuluzi okumba ajulile, noma ukucubungula amakhemikhali aqinile—akukho okungathatha indawo. Okubalulekile ukunemba ekucacisweni. Ingxubevange esekelwe ku-nickel ayicacile kakhulu. Udinga ibanga elithile, i-ASTM efanelekile noma i-AMS spec, kanye nanoma yiziphi izimfuneko ezengeziwe zosayizi wokusanhlamvu, i-HIPping, noma i-NDT. Lokhu kucaca kuvimbela ukungezwani. Inkampani efana QSY, bebala umsebenzi wabo ama-alloys asekelwe ku-cobalt futhi ama-alloys asekelwe ku-nickel, kubonisa ukuthi bahlomele lezi zingxoxo ezinembayo, ezicacile, hhayi nje ukusakaza kwempahla.
Ezomnotho ekugcineni zinengqondo ngevolumu ethile noma ukugxeka. Izindleko eziphezulu zamathuluzi zangaphambili zokusakaza kwe-investimenti zincishiswa ngokuqhutshwa kokukhiqiza. Futhi kuma-prototypes we-off eyodwa noma wevolumu ephansi, amasu afana nokubunjwa kwesihlabathi esiphrintiwe nge-3D ashintsha igeyimu, ngisho nama-nickel alloys. Iphuzu liwukuthi, isimo sezwe sihlala sishintsha. Izisekelo ezisindayo yilezo, njengokusebenza kweminyaka engama-30, eziguqule ezazo ukubunjwa kwegobolondo kanye namasu omshini kuzo zonke izinkathi, kusukela kumidwebo eyenziwa ngesandla kuye kuma-prototypes edijithali.
Imicabango Yokugcina: Isici Somuntu Enqubweni
Ekupheleni kosuku, bonke lobu buchwepheshe kanye nalezi zinqubo ziqhutshwa abantu. Umuzwa we-opharetha yesithando somlilo owazi ngokubukeka kwencibilika lapho isilungele ukuthepha, noma umakhi wemishini ozwa ushintsho kumsindo osikiwe—lezi azinakubuyiseleka. I-automation ilungele ukuvumelana, kodwa izingcingo zokwahlulela zivela kokuhlangenwe nakho. Lena impahla engaphatheki yomkhiqizi osenesikhathi eside ekhona. Akuyona into ongayifaka kuwebhusayithi, kodwa ungakuzwa ngendlela abayixazulula ngayo inkinga.
Lapho uhlola umthombo we izingxenye ze-nickel alloy casting, awugcini nje ngokuthenga impahla kanye nesimo. Uthengela ukujula kolwazi lwenqubo, umlando wezinkinga ezixazululiwe (kanye nokwehluleka okungabonakali), kanye nendlela edidiyelwe ecabangela umjikelezo wokuphila wengxenye kusukela kunsimbi encibilikisiwe kuya engxenyeni eqediwe. Imininingwane yezobuchwepheshe ivuliwe https://www.tsingtaocnc.com xoxa indaba eyodwa-amakhono ekusakazeni nasekukhiqizeni ama-alloys ahlukahlukene. Indaba yangempela isencwadini yokudlala engabhaliwe yokuthi baluphatha kanjani uhambo lwe-superalloy ukusuka kumodeli ye-CAD ukuya engxenyeni esindayo ensimini. Yilokho ngempela okuthengayo.
Ngakho-ke, ngokuzayo lapho ubheka umdwebo wengxenye ye-nickel alloy, cabanga ngale kwekhemistri. Cabanga ngokuqiniswa, ukucindezeleka, umshini, kanye nabantu abazokwelusa esigabeni ngasinye. Lowo mbono uzokuholela kubalingani abangcono futhi, ekugcineni, izingxenye ezinokwethenjelwa. Akukaze kube nje ukulingisa; isiphetho sezinqumo ezincane eziyikhulu, ngayinye ebucayi.
