Lapho onjiniyela becacisa izingxenye zamasistimu asebenza ngogesi, amaphampu enkundla kawoyela, noma ama-winch-duty-winch assemblies, “imboni yokusakaza yensimbi enembile” ayilona nje igama lokusesha—imfuneko engaxoxiswana nayo. Ukuzinza kwe-Dimensional ngaphansi kwengcindezi yamabha angu-500. Ubuqotho be-Microstructure ngemva kokuhamba ngebhayisikili. Ukuqedwa kwendawo okumelana nokuguguleka kwe-slurry. Lokhu akukhona ukubekezelelana—kuyizimo zokuphila. Futhi bafuna okungaphezu kwemishini yokuphonsa; zidinga isiyalo se-metallurgical, ukuqhubeka kwenqubo, kanye nokuziphendulela kobunjiniyela kuzo zonke izinyathelo.
Kungani I-Cobalt Alloys Idinga Okungaphezulu Kunemigqa Yokusakaza Ejwayelekile
Sibone amaphrojekthi amaningi emiswa lapho umphakeli ephatha ingxube ye-cobalt ye-AMS 5387 njengensimbi engagqwali engu-316 evamile. Umphumela? Imifantu ezindlini zamaphampu ngemva kwamahora angu-400 okusebenza. Ama-warped center shaft roller kumawintshi emoto yobunjiniyela. Amanani obulukhuni obungakhiqizeki kuwo wonke amaqoqo—naphezu kwezilungiselelo ezifanayo zesithando somlilo. Kungani? Ngoba ama-cobalt-nickel superalloy awagcini nje ukumelana nokugqoka-amelana nokubikezelwa. I-conductivity yabo eshisayo iyingxenye yensimbi. Ukuncipha kokuqina kwawo akulungile. Amandla abo ehla ngo-70% ngemuva kokukhishwa kwesisombululo.
Kungakho izimboni zensimbi ezinembayo zangempela zitshala ekulandeleleni izinto ezibonakalayo ezivaliwe—hhayi nje izinombolo zenqwaba, kodwa amalogi omlando wokushisa agcwele ahlanganiswe nokusakaza ngakunye. Bafanelekela kusengaphambili izibophezelo zesihlabathi kuma-alloys ebanga le-T800, hhayi i-silica ejwayelekile. Baqinisekisa imijikelezo yokushiswa kwamagobolondo okutshalwa kwezimali ngemephu ye-thermocouple-hhayi ukuqagela okususelwa kusikhathi. Kwa-QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., yonke imbobo ye-cobalt noma ipulaki iqala ngento eluhlaza eqinisekisiwe evela kubahlinzeki be-Tier-1—futhi iphetha ngombiko we-CMM obonisa ukuchezuka okungu-±0.015 mm ezindaweni zokuvala ezibalulekile, eziqinisekiswa ngaphambi kokuthi kuqale ukumishini.
Ukuhlanganiswa Okuqondile Akuyona I-Buzzword-Kuwukuphela kwendlela yokubamba i-GD&T
Abanye abathengisi bakhipha izinsiza, bese bethenga umthamo we-CNC ezimakethe ezikhona. Lokho kudala amaphuzu amathathu okuhluleka: ukukhukhuleka okulingene phakathi kwezifunda ezisakazwayo nezinomshini, amawindi okwelapha ukushisa angafani, kanye nokulawula okuyiziro phezu kobuqotho ngaphambi kokuqeda. Sibuyekeze amakhulukhulu ezingxenye ezinqatshiwe lapho ukulingisa kuhlangabezene khona ne-spec-kodwa indawo eyi-as-cast iqukethe i-micro-porosity evele ngemva kokugaya okokugcina.
Ukuhlanganiswa kwangempela kusho ukulawula lonke iketango: ukufakwa kwe-investimenti → ukukhulula ingcindezi → imishini ye-multi-axis → ukwelashwa kokushisa kwangemuva komshini → ukunemba kokuqedwa kwendawo. Ngezindlu zamasilinda wepompo ye-piston, lokho kusho ukubamba ukuzungeza ngaphakathi kuka-0.008 mm ubude obungu-300 mm—ngisho nangemuva kwe-nitriding. Kumavalvu okucindezela, kusho ukugcina ukujula phakathi kwesihlalo kanye ne-flange ekhwezayo yangaphandle ngaphakathi kuka-0.02 mm—kuyo yomibili imizimba yensimbi esakazwe ngesihlabathi nezinto zokunquma ze-cobalt ezenziwe ngomshini. Lokhu akunakwenzeka ngaphandle kwedatha yamathuluzi okwabelwana ngayo, ukuhlela okuvunyelanisiwe, kanye nethimba lekhwalithi elilodwa eliphuma ngemvume kuwo wonke amaphoyinti oshintsho.
Kusho Ukuthini “Ukunemba” Ngempela Ekusakazeni Kwezimboni (Ngaphandle KweMicrons)
Buza onjiniyela abayishumi ukuthi kusho ukuthini “ukubekezelelana okuphezulu”, futhi uzothola izimpendulo eziyishumi nanye. Kepha ezinhlelweni zomhlaba wangempela, izitaki zokubekezelela azihlali zodwa. Izindlu ezingu-±0.02 mm zibalulekile kuphela uma ubulukhuni bobuso beshafu yokukhwelana buhlala bungaphansi kuka-Ra 0.4 µm—futhi uma i-coefficient yokwandisa okushisayo yazo zombili izinto iqondana phakathi kuka-10% ku--20°C kuya ku-+120°C.
Kungakho amafekthri enziwe ngensimbi enembayo kufanele ashumeke ukuqinisekiswa kokusebenza—hhayi nje ukuhlola kobukhulu. Yonke i-valve yokucindezela idlula ukuhlolwa kwe-hydrostatic ku-1.5 × ingcindezi yokusebenza. Yonke i-winch center shaft roller isebenzisa ukuqinisekiswa kwebhalansi okuguquguqukayo ku-3,500 RPM. Wonke umbhobho we-cobalt alloy udlula ekuhlolweni kokungena kodayi *kanye* nokuskena kwe-ultrasonic kokuhlukaniswa kwe-dendritic engaphansi komhlaba. Lezi akuzona izengezo. Zakhelwe emiyalweni yomsebenzi-ngendlela yokupasa/yehluleka ebhaliwe, engafundeka, futhi egcinwe iminyaka eyi-10.
- Izingxenye zomshini ze-CNC: I-axis eyi-5 yezindlela zokugeleza zangaphakathi eziyinkimbinkimbi
- Izingxenye ze-cobalt-nickel: I-AMS 5387 & T800 ingxubevange icutshungulwa ngokulandela ukushisa okugcwele
- Ukubunjwa kwensimbi: EN-GJS-400-15 insimbi ene-spheroidization rate >95%
- Insimbi nokusakazwa kwensimbi: I-ASTM A351 CF8M enokuhlolwa kokugqwala kwe-intergranular nge-ASTM A262 Practice E
Ukukhetha Umaqondana—Hhayi Kuphela Umhlinzeki
Isiliphu sezinsuku zokulethwa. Imidwebo iyaguquguquka. Izinto ziyashintshwa. Okuhlukanisa imboni yensimbi enembayo enokwethenjelwa yindlela lezo zenzakalo ezisingathwa ngayo—hhayi ukuthi ziyenzeka yini. Sibuke amakhasimende elahlekelwa izinyanga lapho umthengisi enqaba ukutolika kwe-GD&T ngesikhathi sokubuyekezwa kwedizayini, egcizelela ukuthi "vele uthumele umdwebo." Abanye babambezele ama-prototypes ngamaviki ayisithupha ngenxa yokuthi i-Foundry ingenawo amandla okuqinisekisa ukujiya kodonga kuphethini yokutshala ephrintiwe ye-3D.
Uzakwethu ofanele uqala ngempendulo yokwenziwa—hhayi ngemva kokucaphuna, kodwa phakathi nokubuyekezwa kobunjiniyela. Bamaka ama-engeli asalungiswa abangela ukuqhekeka kwegobolondo kuma-cobalt alloys. Baphakamisa amanye amasu okugawula ukuze kuncishiswe i-porosity ezisekelweni zephampu ezinezindonga ezincane. Baqinisekisa ukuthi izitifiketi zezinto ezibonakalayo zifana nendawo yakho yokusetshenziswa ekugcineni—noma ngabe isevisi yegesi emuncu (NACE MR0175) noma ukumelana nokugqwala kwasolwandle (ISO 12944 C5-M).
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. isebenza ngale ndlela—hhayi njengenqubomgomo, kodwa njengokwenza kwansuku zonke. Isikhungo sayo esithobela i-ISO siphatha yonke into kusukela ku-prototype eyodwa kuya ekukhiqizweni kwevolumu emaphakathi, ngokuhlela okuhlelekile okulandelela izinsiza ze-bottleneck ngesikhathi sangempela. Azikho "izimali ezisheshayo." Akumangazi ukukhokhiswa kwe-NRE. Izinqubo ezisanda kuqoshwa, imiphumela elandelekayo, nengxoxo yobunjiniyela eqala ngokuthi “Izohluleka kanjani le ngxenye?”—hhayi ukuthi “Iyini inani?”
Uma umsebenzi wakho olandelayo uhilela amavalvu anomfutho ophezulu, izindlu zokumpompa, noma imishayo eyingozi kakhulu, qala ngombuzo: Ingabe imboni yakho yokufaka insimbi enembile ikala impumelelo kuma-microns—noma phakathi nesikhathi phakathi kokuhluleka? Impendulo inquma ukuthi ingxenye yakho ihlala amahora angu-500—noma angu-5,000.
