Xa abantu abaninzi besiva 'iindawo ezikhethekileyo ze-alloy,' bacinga nge-spec sheet: Inconel 718, i-Hastelloy X, i-CoCrMo, kunye namandla azo achukumisayo kunye namanani okumelana nomhlwa. Leyo yinqanaba lentengiso. Ubunyani bomgangatho wevenkile, ngakumbi kwiinkqubo zotyalo-mali ezintsonkothileyo kunye noomatshini abalandelayo, lirhamncwa elahlukileyo. Umsantsa phakathi kwesatifikethi esigqibeleleyo sezinto eziphathekayo kunye necandelo elisebenzayo, elithembekileyo yilapho umsebenzi wangempela wenziwa khona. Ayikokuba nengxubevange nje; imalunga nokuqonda okwenzekayo kuyo ukusuka kwimo etyhidiweyo ukuya kwinxalenye egqityiweyo.
I-Special in Special Alloys ayikho nje iKhemistry
Thatha isicelo esiqhelekileyo: i-alloy ye-nickel-based alloy component ye-alloy esekelwe kwi-isicelo se-injini yokushisa. Umxhasi ubonelela nge-AMS spec. Lowo ngumgca wokuqala, hayi ukugqiba. Ubume 'obukhethekileyo' buqala ngokukhangela. Ayizizo zonke ii-alloys eziphambili okanye izinto ezinyibilikayo ezinyulu eziziphatha ngokufanayo. Landela izakhi, eyona nkqubo yokunyibilika kunye nokusulungekiswa kwindawo yokusila-ezi zichaphazela ngobuchule ukuphosa kwaye, kamva, ukusebenziseka. Sifunde ukufaneleka imithombo yethu yemathiriyeli hayi nje ngamaphepha, kodwa ngovavanyo oluncinci. I-Inconel 625 yomboneleli inokugalela ngokwahlukileyo kancinci kuneyomnye, ichaphazela ukuzaliswa komngundo kunye nemfezeko yokugqibela kumacandelo amancinci.
Kulapho umsebenzi wexesha elide ubalulekile. Inkampani efana Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), kunye namashumi amathathu eminyaka ekusetyenzwa kunye noomatshini, kusenokwenzeka ukuba yabona utshintsho lwemithombo emininzi kule minyaka idlulileyo. Loo nkumbulo yeziko ibalulekile. Wakha ithala leencwadi ngengqondo: Umthombo we-A's 316L ulungile kwiivalvu ezinkulu, kodwa ngokubunjwa kweqokobhe elintsonkothileyo leemilo ezincinci, ezintsonkothileyo, Ubushushu beMthombo B bunolwelo olungcono. Oku akukho nakweliphi na icwecwe ledatha.
Inkqubo yokujula ngokwayo—nokuba kukungunda okukhethekileyo kweqokobhe okanye utyalo-mali—ibeka eyayo 'ukuguqulwa kwealloyi.' I-thermal dynamics ngexesha lokuqinisa idala i-microstructure. Ukukhawuleza, kwaye ubeka ingozi kwi-micro-porosity; kucotha kakhulu, kwaye ukukhula okuziinkozo kungenza buthathaka inxalenye. Kwii-alloys ezikhethekileyo, ifestile yeeparamitha ezifanelekileyo zihlala zincinci. Unyango olushushu emva kokuphoswa luba lungenakuxoxisana, aluyiyo inketho, ukukhulula uxinzelelo kunye nokufezekisa isakhiwo sesigaba esilungiselelwe. Ukufumana oku kungalunganga kunokuguqula i-alloy ye-alloy part brittle.
Machining: Apho ithiyori idibana Reality
Lo ngumthobeki omkhulu. Unendawo entle eyenziwe ngealloy ye-cobalt-chromium. I-chemistry iphelele, i-X-ray ihlambulukile. Ngoku kufuneka uyibeke kumatshini we-CNC ukuze ufezekise ukunyamezela okuqinileyo kunye nokugqitywa komphezulu. Kulapho iiprojekthi ezininzi zijongana neendleko ezingalindelekanga kunye nokulibaziseka.
I-alloys ezikhethekileyo zisebenza nzima. Isixhobo sokusika esithandabuzayo, nangona umzuzwana, singenza umaleko womphezulu onzima kunesixhobo ngokwaso. Simoshe ii-insert eziduru ngemizuzu sifunda oku. Ukupholisa akukho malunga nokupholisa nje; imalunga nokuthintela lo msebenzi wokuqina kunye nokuqinisekisa ukukhutshwa kwetshiphu. Uxinzelelo lwesipholisi olungalunganga okanye uhlobo lunokukhokelela kwi-chip ye-welding kwakhona. Izicwangciso zokucwangciswa kwezi zixhobo zikhusela: ukucutha okuhambelanayo, okunobundlongondlongo ukuze ungene phantsi komgangatho onzima wokusebenza ukusuka kwipaseji yangaphambili, kunokukhanya, ukukrazula okulumkileyo.
Udweliso lwendlela yesixhobo kufuneka lunike ingxelo malunga noxinzelelo lokusalela lwenxalenye. Ngamanye amaxesha, xa ubamba kwaye umatshini kwicala elinye, inxalenye ihamba kancinci njengoko uxinezeleko lwangaphakathi lulingana. Kuyadanisa. Unokubamba unyamezelo kutyando lokuqala, emva koko ufumane ukugqwetheka emva kokukhulula. Oku kuhlala kukhokelela kulandelelwano lobuchwephesha oburhabaxa, umjikelo wokunceda uxinzelelo, emva koko ugqibezele umatshini. Asiyondlela ikhawulezayo, kodwa ithembekile. Ukuhlanganiswa kwabo CNC Machining Ubuchule bubalulekile apha-ukuba nokuphosa kunye nokwenza umsebenzi phantsi kophahla olunye kuvumela le nkqubo iphindaphindayo, eqhutywa yimpendulo ngaphandle komdlalo otyholwa phakathi kwabathengisi abahlukeneyo.
Amanqaku okusilela kunye neeNxibelelwano eziChrile
Ayililo lonke ibali eliyimpumelelo. Kwangoko, sasineprojekthi yenxalenye ye-nickel ekwaziyo ukumelana nokutyiwa kushishino lweekhemikhali. Iphumelele zonke iimvavanyo eziqhelekileyo. Kodwa kwinkonzo yasentsimini, oko kwasilela ngenxa yokuqhekeka komhlwa kwingca ethile yejometri esingazange siyicinge njengeyona ndawo ishushu. Sifunda ntoni? Indalo yonke into. 'I-alloy ekhethekileyo' ikhethekile kuphela kwiimeko ezithile. Ngoku sichitha ixesha elininzi sixoxa ngemeko-bume yokusebenza-echanekileyo ukugxila kweekhemikhali, amaqondo obushushu, ukulayishwa komjikelo-njengoko sisenza inxalenye yokushicilela.
Olunye ulungelelwaniso oluqhelekileyo luphakathi kokunqweneleka koyilo kunye nokwenziwa kwezinto. Umyili unokuchaza iindonga ezicekethekileyo kunye nee-engile zangaphakathi ezibukhali kwi-alloy yensimbi engenasici ukugcina ubunzima. Kodwa ngaba isinyithi esinyibilikisiweyo singazalisa elo candelo ngaphandle kokubanda kwangaphambi kwexesha? Ngaba isixhobo sinokufikelela kwi-engile yangaphakathi yomatshini okanye ukuhlolwa? Ngamanye amaxesha, elona galelo lixabisekileyo licebisa uyilo oluncinci lwe-tweak-ukwanda kweradiyasi ye-0.5mm, uhlengahlengiso lwe-engile eyidrafti-okwenza ukuba inxalenye ivelise ngokwenene ngaphandle kokuphazamisa umsebenzi. Le yintsebenziswano ebonakalayo echaza impumelelo.
Ukuqinisekiswa komgangatho nako kuya kuba nzima ngakumbi. Uvavanyo lokungena kwedayi lusemgangathweni, kodwa kumacandelo abalulekileyo anemfezeko ephezulu, sihlala sityhala ngakumbi. Ngokomzekelo, i-radiography ukujonga i-porosity yangaphakathi kumacandelo abalulekileyo okuphosa. Yongeza indleko kunye nexesha, kodwa ukuyitsiba kukungcakaza. Isigqibo sixhomekeke kumsebenzi wenxalenye. Ngaba ngumthwali wesakhiwo okanye indlu engabalulekanga? Igama 'iindawo ezikhethekileyo ze-alloy' kuthetha umsebenzi ongaphaya kwesiqhelo, ngoko ke iiprothokholi zethu zokuhlola zidla ngokufuna ukungqamanisa naloo ntsingiselo.
I-Advanteji eDityanisiweyo: Ukusuka kwi-Melt ukuya kuMatshini
Kungenxa yoko le nto imodeli ye-Foundry ene-in-house machining, njengaleyo ichazwe kuyo https://www.tsingtaocnc.com, kunengqiqo kwezi zixhobo. Inkqubo yokufunda iqinile. Iqela lobuchwephesha linokuxelela iqela elidlalayo ngokuthe ngqo, Eli qela lamalungu libe neendawo ezinzima apha, okwenza isixhobo sinxitywe ngokugqithisileyo. Iqela lokuphosa lingaphanda: ingaba ibilutshintsho oluncinci kwiqondo lobushushu lokugalela? Ukuguqulwa kwenkqubo yokungena? Le ngxelo yigolide.
Ikwavumela ukuphuculwa kwenkqubo edibeneyo. Umzekelo, ukwenza isigqibo sokuba singakanani isitokhwe esizakusishiya sisiya kumatshini. Kakhulu, kwaye uchitha ialloyi ebiza kakhulu kunye nexesha lomatshini. Incinci kakhulu, kunye nokutshintsha okuncinci kokuphosa okanye ukungafezeki komphezulu kuthetha ukuba indawo ayinakucocwa ukuya kumlinganiselo. Ukuba nawo omabini amaqela phantsi kophahla olunye kukuvumela ukuba umisele ngokwasemthethweni isibonelelo esisiso senxalenye ethile yejometri kunye nealloyi.
Ngaphezu koko, ukuphatha kuba yinkxalabo. Iindawo ezikhethekileyo ze-alloy, i-post-casting naphakathi kwe-machining ops, zihlala zinexabiso kwaye zinovakalelo. Ukuzigcina kwindawo elawulwayo, ukuzilandela ngokusondeleyo, kunye nokunciphisa ukuhamba kunciphisa umngcipheko wokuxubana, umonakalo, okanye ukungcoliswa. Uncedo oluhlanganisiweyo lwenza lula olu lungelelwano kakhulu.
Ukujonga Phambili: IseyiCraft
Ngaphandle kwayo yonke inkqubela-phambili yesoftware yokulinganisa yokusa (efana ne-MAGMA) kunye nenkqubo ye-CNC, ukuvelisa amacandelo akhethekileyo ealloyi akwinqanaba eliphezulu kuhlala kungamava anzulu. Isoftware ikunika indawo enokwenzeka yokuqalisa, kodwa ingcibi-injineli esisiseko, umchwephesha-wenza uhlengahlengiso lokugqibela ngokusekelwe kumbono, isandi kunye nokuziva. Indlela isinyithi esithulula ngayo, umbala we-chip ngexesha lomatshini, isandi sokusika.
Ikamva, ndiyacinga, lilele ekubambiseni ngakumbi olu lwazi lufihlakeleyo. Kodwa okwangoku, ihlala ebantwini kunye neendlela zamaziko zeefemu eziye zadlula kwimijikelezo, njengomsebenzi oneminyaka engama-30 ubudala. Baye bajonga ukunqongophala kwezinto, baqhelana namabakala amatsha e-alloy, kwaye batyala imali kwitekhnoloji ye-CNC elungileyo ukuyisika.
Ngoko ke, xa uvavanya umthombo we iindawo ezikhethekileyo ze-alloy, khangela ngaphaya koluhlu lwezinto eziphathekayo kunye nepaki yomatshini. Khangela ubungqina bolu luvo ludibeneyo, lokusombulula iingxaki. Buza ngeprojekthi ecela umngeni abayigqibileyo. Impendulo iya kukuxelela okungaphezulu lee kunencwadana enemifanekiso eqaqambileyo eyakha yakwazi. Imveliso yokwenyani ayiyonxalenye yealloyi kuphela; lulwazi olusetyenzisiweyo oluqinisekisa ukuba inxalenye isebenza njengoko kucetywayo, ngokuthembekileyo, apho ibala khona.
