Uma othile ethi 'insimbi engagqwali,' abantu abaningi ngokushesha bafanekisela izinto ezicwebezelayo, ezingagqwali ekhishini labo. Emhlabeni we-Foundry kanye nemishini, lokho cishe kuhlale kuyinto Insimbi engagqwali ye-Austenitic, ngokuvamile amamaki angu-304 noma angu-316. Kodwa nansi igebe lokuqala elivamile: kucatshangwa ukuthi wonke ama-austenitics adalwe alingana nomsebenzi. Ngibone imidwebo eminingi kakhulu ivele icacise ingenasici futhi isishiya siqagela, okuholela nakanjani engxoxweni, noma okubi nakakhulu, ukuphinda ushaye ucingo. I-nickel ephezulu kanye nokuqukethwe kwe-chromium kuyinikeza lokho kumelana nokugqwala futhi ikwenze kungabi-zibuthe, ngokuqinisekile, kodwa amandla okusebenza? Leyo yindaba ehlukile. I-gummy, iyasebenza-iqina njengokuhlanya uma unganakile ngokuphakelayo kwakho nesivinini, futhi leyo ndawo enhle wonke umuntu ayifunayo idinga inqubo ecophelelayo, hhayi nje ithuluzi elibukhali.
I-Foundry Floor Reality: Casting Austenitic Grades
Ukuyidlala kuwubuciko ngokwako. Esitolo sethu, sibhekana nokutshalwa kwezimali okuningi kanye nokubunjwa kwegobolondo kwezingxenye eziyinkimbinkimbi. Ukuthela ingxubevange ye-austenitic efana ne-CF8M (okulingana no-316) akufani nokuthela insimbi ye-carbon. I-fluidity ihlukile, i-shrinkage ibonakala kakhulu, futhi kufanele uqaphe ngokumangalisayo mayelana nokufakwa. Lokhu sikufunde kabuhlungu kusenesikhathi ngenqwaba yamavalvu ekhasimende lasolwandle. Ukucaciswa kubize ubuqotho bengcindezi, kodwa sibe namayunithi ambalwa ahluleka ukuhlolwa kwe-hydro. Ngemva kokuhlukanisa, sithole i-micro-shrinkage porosity eyayingabonakali ku-surface radiography. Inkinga? Kwakungewona ama-material certs - ayelungile - kwakuyi-gating yethu kanye nomklamo okhuphukayo waleyo geometry ethile. Besisebenzisa iphethini esebenze kahle ku-carbon steel kodwa yaminyanisa indlela yokuphakelayo yezici zokuqiniswa kwe-austenitic.
Yileyo nto nayo Insimbi engagqwali ye-Austenitic ekulingiseni: awukwazi ukuvele ukopishe-unamathisele izinqubo ezivela kweminye imindeni yezinto ezibonakalayo. Okuqukethwe kwe-alloy ephezulu kushintsha yonke into mayelana nokuthi insimbi igeleza futhi iphole kanjani. Kwadingeka sibuyele emuva, silingise ukuqiniswa futhi ngamapharamitha alungile okushisa ebanga elithile, futhi siklame kabusha uhlelo lokuphakelayo. Kwengezwe izikhuphukeli ezimbalwa ezengeziwe ezigabeni ezikhohlisayo. Ixazulule inkinga, kodwa yasibiza isikhathi kanye nezinto ezimbalwa ezinhle. Kuye kwagxila eqenjini ukuthi ibala emdwebeni lidinga ukuvela nebanga elithile, futhi nalapho, ubunjiniyela bethu bezinqubo kufanele bulungiswe.
Yilapho ulwazi lwesikhathi eside esikhungweni lubalulekile khona. Inkampani efana I-Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), kanye neminyaka engaphezu kwamashumi amathathu ekulingiseni nasekukhiqizeni imishini, iye yakha umtapo wolwazi ojulile walezi zinhlaka zenqubo ezicashile, eziqondene nebanga elithile. Akuyona into oyithola encwadini; kusezingodweni zemisebenzi edlule, amanothi avela kubaqhubi beziko, ukulungiswa okuncane abenzi bephethini abakwaziyo ukuzenza. Uma bethi bagxile ezintweni ezihlanganisa insimbi engagqwali kanye nama-alloys akhethekile, lokho okukhethekile akukhona nje ngokuba neziko—kumayelana nokuba nolwazi oluqoqiwe, oluvame ukuzuzwa kanzima lokuthi ungathola kanjani ukuphonswa komsindo kusuka ensimbi ewuketshezi kuya esimweni esiphelile ngaphandle kwamaphutha afihliwe.
Imishini: Lapho Ithiyori Ihlangana NeChip
Uma ukuyilingisa kuwubuciko, ukuyifaka kuyisayensi enesiyalo enendawo enkulu yamaphutha. Ukuthambekela kokuqina kokusebenza kwezinsimbi ze-austenitic kuyinganekwane. Ungathatha ukusika okuhle, kodwa uma ithuluzi lakho lilibala noma lihlikihlwa, usanda kwakheka indawo eqinile kunonqenqema lwethuluzi lakho, uqinisekisa isiphetho esonakele kanye nokufakwa okuqoshiwe kuphasi elilandelayo. Ngikhumbula ngimisa umsebenzi we-CNC we-316L flange emshinini omusha. Umhleli usebenzise amapharamitha avela engxenyeni ebukeka ngendlela efanayo ye-carbon steel. Ingxenye yokuqala yayibukeka ilungile, kodwa okwesithathu, ingaphezulu lalidabukile, futhi ithuluzi lalimemeza. Kwadingeka sime, sihlaziye kabusha yonke into.
Okubalulekile ukulawula ukushisa nokugcina ukukhishwa okungaguquguquki, okuhle kwe-chip. Ukupholisa akukona nje okokupholisa lapha; okokugcoba nokuwasha lelo cwecwe elinezintambo, eliqinile ngaphambi kokuthi lisongwe ucezu lokusebenza noma ithuluzi. Sishintshele kokufakwayo okunamandla, okucijile kwejiyomethri okunomjikijelo ozinikele wensimbi engagqwali, sehlise isivinini kancane, futhi sandisa okuphakelayo ukuze singene ngaphansi kongqimba oluqinile lomsebenzi kusukela ekusikeni kwangaphambilini. Umehluko wobusuku nemini. Ama-chips aphenduka asuka ekubeni luhlaza okwesibhakabhaka, izidleke zezinyoni eziphithene aba kuhle, nokugoqa okuyisiliva okungaguquki. Isiphetho esingaphezulu sisuke ku-Ra 3.2 esihlakazekile saya ku-Ra 1.6 ehlanzekile.
Lokhu ukusebenza, ukushuna kwezandla okuchaza ikhono langempela lokwenza imishini. Yingakho isimangalo sesitolo sika CNC imishini ubuhlakani budinga ukuthi bucacise ngezinto ezibonakalayo. Noma ubani angasebenzisa i-aluminium ngokushesha. Ukugijima okungu-316 noma okungu-304 kahle, nokubekezelelana okuqinile nobuqotho obuhle bendawo, ikakhulukazi ekulingisini okunezindonga ezincane lapho ungeke ubambe ngamandla ngenxa yokwesaba ukuhlanekezela, lokho ibhentshimakhi. Idinga ochwepheshe abaqonda ukuziphatha kokokusebenza, hhayi nje ikhodi ye-G.
I-Alloy Nuances: Akuwona wonke ama-304 angama-304 nje
Olunye ungqimba ukuhluka okucashile phakathi komndeni we-austenitic. Thatha i-304 ngokumelene ne-304L. I-'L' isho ikhabhoni ephansi, ikakhulukazi ukulwa nokuzwela—ukwakheka kwe-chromium carbides emingceleni yokusanhlamvu ngesikhathi sokushisela noma ukuchayeka kuzinga lokushisa eliphezulu, eliqeda i-chromium yendawo futhi libulale ukumelana nokugqwala. Engxenyeni ezobe ishiselwe i-post-machining, ukucacisa u-304 esikhundleni sika-304L kuyiphutha elibalulekile. Ngikubonile kwenzeka. Ikhasimende linikeze ezalo izitifiketi zempahla yesitoko samabha angu-304 ukuze kuhlanganiswe okushiselwe. Sayikhanda ngomshini, sayishisela, futhi ngemva kwezinyanga eziyisithupha, yaba nemifantu emincane ezindaweni ezithinteke ukushisa endaweni egqwalile. Okubalulekile bekumele kucaciswe, kodwa ukucaciswa okungalungile kohlelo lokusebenza.
Bese kuba khona ama-austenitics akhethekile, afana namabanga aphezulu e-molybdenum (316, 317) ezindawo ze-chloride, noma amamaki azinzile njengo-321 ane-titanium. Imishini ngayinye ihluke kancane. 321, ngokwesibonelo, inalezo zinto ezifakiwe ze-titanium ezingaba kabi kumathuluzi. Udinga ukuziphendulela ngalokho. Lapho uhlu lwempahla yenkampani luhlanganisa ama-alloys akhethekile njengalezo ezisekelwe ku-nickel, ngokuvamile kusho ukuthi kufanele bazulazule lawa ma-nuances. Imicabango kanye namasu okusebenzisa amathuluzi aqala ukuhambisana. Ukunaka imininingwane edingekayo ye-Inconel kusizakala ngokuqondile ukwenziwa kwe-austenitic engagqwali ekhohlisayo.
Lokhu kufinyelela kumnyombo wosekelo lokukhethwa kwezinto. Uzakwethu omuhle wokukhiqiza akagcini nje ngokuthatha i-oda; kufanele bakwazi ukubona lokhu okungase kube ukungafani kwezinhlelo zokusebenza. Uma umdwebo wengxenye yephampu yamanzi olwandle ubiza u-304, kufanele kuphakanyiswe ifulegi, kuqalwe ingxoxo. Mhlawumbe i-316 iyadingeka, noma mhlawumbe i-duplex engenasici ukuze uthole amandla angcono. Leso sigaba sokubonisana sizalwa ngokubona izinto zingaphumeleli futhi ziphumelele kulo mkhakha.
Kusuka Ekulingiseni Okuluhlaza kuya Engxenyeni Eqediwe: Inselele Ehlanganisiwe
Ukuhlolwa kwangempela kuza uma uphethe lonke iketango lenani, njengokubunjwa kwegobolondo elibese lidinga ukwenziwa kwemishini ye-CNC ebusweni obubucayi nezibhobo. I-as-cast surface yensimbi ye-austenitic inesikalo esiqinile, esixutshwe ne-oxidized kanye nesendlalelo se-decarburized. Iphasi lakho lokuqala lomshini kufanele lijule ngokwanele ukuze ungene ngaphansi kwakho konke lokho, ukuhlanza, insimbi yomsindo. Uma ukusakaza kwakho kunokuhluka okuncane, uhlelo lwakho lwe-CNC ludinga izibonelelo zalokho. Sihlanganise umkhuba wokuhlola emishinini yethu ukuze sithole isitoko sangempela ebusweni bedatha ngaphambi kokuba kuqale umjikelezo ogcwele wokuqeda. Yengeza iminithi esikhathini somjikelezo kodwa isindisa ingxenye ukuthi ingalahli ngoba ukusikwa bekungashoni kakhulu endaweni ephansi.
Lokhu kuhlanganiswa kuyinzuzo enkulu. Endaweni efana ne-QSY, lapho izinqubo ze ukubunjwa kwegobolondo, ukutshala imali, futhi CNC imishini zingaphansi kophahla olulodwa, iluphu yempendulo imfushane. Ithimba lemishini lingatshela i-Foundry uma ngokuqhubekayo lithola indawo eqinile endaweni ethile yokulingisa, okungase kukhombe inkinga ebandayo ekubunjeni. I-Foundry ingalungisa inqubo yokulingisa ukuze inikeze indawo yokuqala engaguquki, eshintshwayo. Lokhu kusebenzisana kubalulekile ezintweni eziyinselele kokubili ukumila nokusikwa.
Iphinde ivumele ukuphathwa kahle kakhulu kokusakaza kwe-near-net-shape. Ngengxenye ye-austenitic engagqwali, ufuna ukunciphisa inani lengxubevange ebizayo okufanele uyiguqule ibe ama-chips. Ngokusondeza kumumo wokugcina futhi wenze kuphela izixhumanisi ezibalulekile, wonga amanani amakhulu ezindleko zempahla nesikhathi somshini. Kodwa lokhu kudinga ukusebenzisana okumangalisayo phakathi komklamo wephethini yokusakaza nokusethwa kwemishini yokulungisa imishini. Igeyimu yezinga eliphezulu yokukhiqiza esebenza kahle engenzeka kuphela ngobungcweti obujulile, bezinqubo ezihlukahlukene.
Imicabango Yokuphetha: Hlonipha Indaba
Ngakho-ke, yini oyithathayo ngemva kweminyaka yokusebenza nayo? Insimbi engagqwali ye-Austenitic iwumndeni wezinto ezibonakalayo, kodwa idinga inhlonipho. Akukona ukufaka esikhundleni sezinsimbi ezingaqinile. Impumelelo yayo kuhlelo lokusebenza incike ezintweni ezintathu: ukukhetha ibanga elilungile lendawo yesevisi, ukusebenzisa inqubo yokwenza (njengokuphonsa) ehambisana nokuziphatha kwayo kokuqinisa okuthile, nokusebenzisa isu lomshini elivuma izinsimbi zayo ezihlukile zokusika. Thola noma iyiphi yalezo ezingalungile, futhi ukumelana nokugqwala okuhle kakhulu nokuqina okukhokhele kungase kungabonakali engxenyeni yokugcina.
Izinkampani ezihlale ziletha izinto ezinhle ze-austenitic ezingenasici azigcini nje ngokuthatha ama-oda. Bangabaxazululi bezinkinga abanokuqonda okuyimbudumbudu kwe-metallurgy nokusebenzisana kwenqubo. Babuza imibuzo mayelana nokusetshenziswa kokugcina, banedatha yomlando yokugwema izingibe ezedlule, futhi banamandla angaphakathi okulungisa izigaba eziningi zokukhiqiza ekhonsathini. Leyo incazelo yangempela yobungcweti kulo mkhakha—kuncane ngohlu lwemishini nokunye okuningi mayelana nokuhlakanipha okuqoqiwe, okusebenzayo okusetshenziswa kuwo wonke umsebenzi ongena emnyango.
Ekugcineni, kufika ekuphatheni okubalulekile njengozakwethu onobuntu bayo, hhayi nje impahla okumele ibunjwe. Uma wenza lokho, uvula amandla ayo aphelele, futhi yilokho okuhlukanisa ingxenye esebenzayo kwethembekile, ehlala isikhathi eside. Yilokho umgomo, noma kunjalo. Sisafunda amaqhinga amasha njalo lapho ukuphrinta okuyinselele kuhlala phezu kwedeski.
