Ha lienjineri li hlakisa li-bearings tsa Stellite, ha li ikhethele thepa feela — li itlama ho se mamelle letho bakeng sa ho khathala, ho bola, kapa ho hoholeha ka tlas’a khatello e matla. Qeto eo e lula fatše fekthering: ha se setheo se seng le se seng kapa lebenkele la CNC le ka hlahisang likarolo tsa Stellite tse fihlelang litlhoko tsa AMS 5387, ASTM F1537, kapa ISO 4967-haholo-holo ha li-geometri li hloka taolo e tiileng ea GD&T, pheletso ea bokaholimo tlasa Ra 0.4 µm, le li-microstructural consistency ho pholletsa le mocheso. Re bone merero e mengata haholo e emisitsoe ho netefatso ea mohlala hobane Fektheri e behang li-stellite e ne e se na bokhoni bo kopaneng ba ho lahla-kapa ho hobe le ho feta, ho nkeloa sebaka ke limaraka tsa cobalt alloy ntle le ts'ebetso ea metallurgical.
Hobaneng ha li-Stellite Bearings li hloleha pele li kenya (le mokhoa oa ho li qoba)
Stellite ha e entsoe joalo ka tšepe e sa hloekang. Ho thatafala ha eona (45-65 HRC as-cast, ho fihla ho 70 HRC kamora ho thatafala), marang-rang a abrasive carbide, le conductivity e tlase ea mocheso e hloka lisebelisoa tse khethehileng, ho lokisoa ho thata, le liparamente tsa phepelo / lebelo tse lekantsoeng lotho ka 'ngoe - eseng ka lethathamo. Lenaneong le le leng la ho aha bocha pompo ea haeteroliki, Tier-1 OEM e hanne 37% ea bajari ba reng ba lipiston ba Stellite ba kenang. Sesosa sa ho qala? Morekisi o sebelisitse setoko sa generic sa cobalt-nickel sebakeng sa thepa e netefalitsoeng ea AMS 5387 — mme a tlola ho imolla khatello ea maikutlo kamora ho sebetsa. Sephetho: micro-cracking tlasa 3,000 psi cyclic loading nakong ea lihora tse 48 tsa tlhahlobo ea benche.
Katleho ea 'nete ea lefats'e e qala pejana-ho fumaneng thepa le ho etsa limmapa. Ea tšoanelehang Fektheri e behang li-stellite E tlameha ho netefatsa li-certification tsa raw billet (MTRs) pele e lahleloa, e laola moea oa sebōpi nakong ea matsete ho thibela carbon pickup, le ho netefatsa linako tsa phekolo ea mocheso ka li-profiles tse khethehileng tsa nako ea batch. Ha ho likhutšoane. Ha ho li-alloys tse "ntle ka ho lekana".
Bokhoni ba 'Nne bo sa Buisanoeng Femeng ea 'Nete ea ho Beha Li-Stellite
Re lekola barekisi khahlanong le litekanyetso tsena tse 'ne tsa ts'ebetso-hobane ke bona ba khethang ka kotloloho hore na karolo ea hau e ntse e tsoela pele ho sebetsa kapa ea hloleha nakong ea FAT:
- Material Traceability Ho theohela ho Melt Batch: Karolo e 'ngoe le e 'ngoe ea Stellite e tlameha ho ba le litokomane tse felletseng tsa litlatsetso-ho tloha ho setifikeiti sa leloala ho isa tlalehong ea ho qetela ea tlhahlobo-e nang le setempe sa mocheso kapa se tšoailoe ka laser karolong ka boeona.
- Ho lahla-Machining Kopanyo: Sebaka sa papali ea Stellite se brittle. Ho e tlosa ka machining ntle le ho baka tšenyo e ka tlas'a lefatše ho hloka taolo e nepahetseng ea botebo ba ho seha le ho fana ka pholiso e ntlafalitsoeng bakeng sa li-alloys tsa cobalt - eseng li-program tsa aluminium tse tloaelehileng kapa tsa tšepe.
- Tlhahlobo e Tsamaisang le GD&T, Eseng Feela Licheke tsa Dimensional: Mamello ea bophara ba 0.02 mm ha e bolele letho haeba boemo, ho felloa ke matla, kapa mamello ea boemo bo sa netefatsoe ho sebelisoa li-CMM tse lekantsoeng tse nang le li-probe tse netefalitsoeng tsa ISO 10360-2-'me li amana le li-interfaces tsa kopano tse sebetsang.
- Ho netefatsa Botšepehi ba Bokahohle: Ka ntle ho Ra, re hloka tlhahlobo ea SEM ea likarolo tse fapaneng bakeng sa li-microcracks tse haufi-ufi le 'mapa o setseng oa khatello ea kelello ka XRD bakeng sa likarolo tsa bohlokoa tse potolohang tse kang li-winch center shaft rollers kapa li-cylinder cylinder housings.
Ntle le tse 'nè, u reka likarolo-eseng tiisetso ea ts'ebetso.
Moo Precision e Kopanang le 'Nete ea Kopo
Ho QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., re haha likaroloana tsa Stellite moo ho hlōleha e seng khetho: AMS 5387 cobalt alloy 6 pompo housings rated for 5,000 psi continuous operation; Li-nozzles tse thehiloeng ho T800 tse sebetsanang le slurry ea abrasive ho 120 ° C; lirolara tsa "shaft" tse sa tloahelehang tsa setsi sa li-winch tsa likoloi tsa boenjiniere tse tsoang kantle ho naha tse sebetsang libakeng tse tletseng letsoai, tse thothomelang haholo. Tsena ha se lintho tse sa tloaelehang. Moralo o mong le o mong o etsoa tlhahlobo ea tlhahiso-eseng feela bakeng sa litšenyehelo, empa bakeng sa kotsi ea ho sotha ha mocheso nakong ea machining, libaka tsa karohano ea carbide likarolong tse lahliloeng, le tatellano e nepahetseng ea ho qeta ho boloka khatello ea maikutlo.
Ha re "etsa likarolo tsa Stellite." Re sebelisa boenjiniere ho hanyetsa jiometry, thepa le ts'ebetso-ebe re e paka ka data: litlaleho tsa liteko tse thata ho ea ka ASTM E8, limmapa tse thata ho pholletsa le libaka tse mahlonoko, le tlhahlobo ea mojaro o sebetsang ka nako e itseng ea mosebetsi o boletsoeng ke moreki. Ke kamoo a Fektheri e behang li-stellite e fumana litefiso tse pheta-phetoang-eseng likopo tsa ho bapatsa.
Ho Khetha Molekane oa Hao: Sheba ka Fetisisa Leqephe la Alloy
Botsa lipotso tsena tse tharo pele u phethela mofani oa thepa:
- A na ba ka fana ka li-MTR bakeng sa mocheso oa *hantle* o sebelisitsoeng odara ea hau-eseng letlapa le kopaneng la motsoako?
- Na ba etsa netefatso ea ho thatafala ha tšebetso *kamora* ho etsa mochini oa ho qetela le *pele* ba qeta—le ho boloka lirekoto tseo?
- Na ba tla arolelana leano la bona la tlhahlobo ea GD&T-ho kenyeletsoa sebopeho sa datum, tatellano ea litekanyo, le boemo ba ho lekanya lisebelisoa-pele ho seha tšepe?
Haeba karabo e le "che," "eseng maemo," kapa "re tla tiisa hamorao," tsamaea. Stellite ha e bue ka thepa feela - e mabapi le ts'ebetso e laoloang ho tloha ho qhibiliha ho isa ho metrology. E nepahetseng Fektheri e behang li-stellite ha e fane ka likarolo feela. E fana ka bokhopo.
